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Dow Avenue Bridge (New Hampshire)
Posted October 29, 2015, by Nathan Holth (nathan [at] historicbridges [dot] org)

I seriously doubt a lenticular truss like this would be built on a public road in 1910. Also consider details like the composition of the top chord... not using channel and instead angle and plate... thats basically unheard of for such a small top chord in 1910.

Dow Avenue Bridge (New Hampshire)
Posted October 29, 2015, by Michael Quiet (MQuiet [at] Gmail [dot] com)

I've struggled with the build date myself, but I had opted not to change it due to complications with identifying the bridges date based on my site visits and the lack of any other concrete dates about this bridge. I'm *hoping* at some point someone at the NBI had some sort of fact to base the 1910 number off of, hence my reluctant acceptance of its use.

Chester, I've also seen the suggestion that this bridge was built in 1889 put forth elsewhere, and I disagree with it due to the design elements of the bridge. Essentially, the construction method of this bridge does not fit a '89 model. The additional problem is that the methods do not fit any period from '78-1900 either, hence my hesitation to even try and estimate its fabrication date.

The first clue is the web posts, which are of a parallel configuration and connect to the upper chord on the outside. You'll find these only on models up until 1885. At this point they became tapered with the top narrowing and fitting inside the upper chord, and every example I have seen from 1886 onward to the latest extant example, the 1896 model we have in storage up here in VT, have these. The Delage farm bridge has these, as it should.

The railing also doesn't match that time frame either, and is more reminiscent of an earlier type used. Around '85 these too changed (I'm seems like they did a all around retooling at this time which coincided with the awarding of the 2nd patent on the design) with the box/cross type railing which can be seen in use on examples from the '86 Lenticular Warren truss in Grantville NY through the '99 Pennsylvania truss in Stuyvesant Falls NY. Up through '85 was the larger lattice type railing which we have here, which can be found on remaining examples like the '83 Aiken Street Bridge and, although long gone, the nearby '85 Livermore Falls Bridge had these.

So it’s an early model? Well that doesn’t fit either as there are caveats against that argument. The pins, like most components, also got a change around 1885. Prior to then, the bolt heads themselves were tiny and had a cast iron fitting behind them (I think my best detail shot for one of those can be found on the '82 Bardwells Ferry Bridge page). '85 onward had a large hexagonal nut, and these are found all the way through '99 examples. This bridge, like the Delage Farm uses the later models, and thus does not fit with this being an early example

The upper chord is built up with V lacing, which doesn't necessarily rule out an early production model, but narrows the time frame. Battens were used from the earliest known models until 1882-84 during which time V lacing took dominance (Compare the Bardwell’s Ferry Bridge with the Aiken Street Bridge for instance). An example of how this combination works is the HAER documented, and currently disassembled, Golden Hill Road Bridge, which has both the newer style pins, v lacing on its upper chord, but still has the older parallel web posts

The Endpost is completely foreign and I have no idea what to make of it. It’s not built up like standard ones, being made from I beam sections and containing X lacing (of which there are no other examples). I'm guessing it was a much later fabrication.

The location and size of the Builders plate is a curiosity. It had two, one of opposite ends of the bridge, and was a rectangular form secured by 3 bolts. This doesn’t appear on any other of the remaining examples…those having builders plate being the slightly more stylized ones seen on the Delage Farm Bridge or the older examples from Corrugated Metal Co. which, while rectangular, weren’t in this position.

So as to when this bridge was built…I can only give a few possibilities based on the fact It’s a completely unique and odd juxtaposition of styles and components. While there are no confirmed examples, I have noted that Berlin Steel Construction Co. (The successor to Berlin Iron Bridge Co.) company history states that only around 1911 did they move away from production of Lenticular truss bridges. It might just be a typo, as we have no confirmed examples of these being built by Berlin Construction Co. or even after 1896, but it still opens up the question of whether this could this have been a product of Berlin Construction. The size of the builders plates would match their standard one, as would the date (and that might explain why it doesn’t match anything from the earlier era). Or perhaps this was moved/reconstructed around the time given by NBI, at which point the plates could have been replaced and it was given a fresh set of pins. We do know that Berlin Iron Bridge Co. also resold used bridges during their time, so perhaps this was a the case here and it also received a rehab at that point.

Of course there are several caveats to all of this…the Bridge was rehabbed in 1999 and we have no idea what was changed during that process. And I’ll be the first to admit that we have nowhere near a comprehensive picture of the building practices for these bridges, as we only have a small fraction remaining today of the total output of BIBCo. Perhaps reuse of older components was more common, or certain styles persisted beyond what we can tell from extant examples. However from the evidence available, I think it’s pretty clear that this bridge is not an 1889 production, nor can it be specifically pinned to any date. So thats my rational for letting the 1910 date sit....its a guess on their part, but its just as good as mine on this one.

Dow Avenue Bridge (New Hampshire)
Posted October 28, 2015, by Nathan Holth (webmaster [at] historicbridges [dot] org)

It looks like the 1910 date came from the NBI and nobody has caught the error. Thanks for catching it. I removed the bad date.

Dow Avenue Bridge (New Hampshire)
Posted October 28, 2015, by Chester Gehman (gehmanc2000 [at] yahoo [dot] com)

I believe the build date of 1910 is incorrect. While it was almost definitely built by the Berlin Iron Bridge Co., it was more likely built around the same time as the Delage Bridge located a short distance away, in 1889. At any rate, Berlin stopped building lenticulars around 1895; and ceased being in existence in 1900, when it was bought out by the American Bridge Co. Unfortunately the builder's plaque is missing to clear up the mystery.

Posted October 23, 2015, by Erik Hoffman (edh4801 [at] gmail [dot] com)

It takes a real son of a bitch to torch a bridge like this.

Posted October 21, 2015, by Mike Garland

More information about the planning and construction of this beautiful little bridge can be found here:

Green Bridge (New Hampshire)
Posted October 15, 2015, by Mike Garland

I just uploaded some pictures of this beautiful bridge that my wife and I took when we visited New Hampshire from Oregon recently. These were taken on the 18th of July, 2015. We didn't know that it was going to be demolished, there were no signs stating this at the bridge. I'm glad we got to see it, it's a shame that this piece of history is now gone forever.

Posted October 10, 2015, by Erik Hoffman

This bridge could easily be repaired and reopened to traffic. I would like to see that happen.

Posted September 16, 2015, by Robert Elder (robertelder1 [at] gmail [dot] com)
Posted August 25, 2015, by Steve LaBonte (mv_jct [at] yahoo [dot] com)

I have visited this bridge twice this summer of 2015. Work has begun on the approaches. This has brought tree removal that offers a great viewing point from the east side.

My revisit was to get pictures of a feature that I noticed on my last visit but needed a telephoto lens to capture. The center pier looks to have landings for the previous structures arch trusses.

Depot Street Bridge (New Hampshire)
Posted August 24, 2015, by Will Truax (Bridgewright [at] gmail [dot] com)

Yes the abutments and pier carried a Childs Brothers built McCallum truss bridge which was lost to high water in '07

Photos of The Rainbow clearly show braces fit to those Spring-stones.

Depot Street Bridge (New Hampshire)
Posted August 23, 2015, by Steve LaBonte (mv_jct [at] yahoo [dot] com)

Picture from the East abutment August 23, 2015. Note the pier has pockets near the top than may have been for the trusses of a previous covered bridge span.

Green Bridge (New Hampshire)
Posted August 17, 2015, by Nathan Holth (webmaster [at] historicbridges [dot] org)

Well its scrap metal now. Typical NH approach. Nearly all the Storrs truss bridges have been demolished in a 1-2 year period. So much for local significance!

Posted August 4, 2015, by Gil Graham (ggraham [at] baileybridge [dot] com)

Very interesting design. Think about how they put the camber in it - especially in 1858... I would think all of those bolted/riveted bars must be slightly different lengths.

Posted August 4, 2015, by Will Truax (Bridgewright [at] gmail [dot] com)

Until I see them I can't make an educated guess, it is possible they could have served a brief pedestrian crossing, the reason Moore's Crossing had a sidewalk was because there was no room on the Goff's Falls side for a train to stop at the station, passengers would disembark on the Bedford side and walk to the station - Placed to serve Pine Island Park.

The person tp ask would be Dick Roy, (you linked to some of his photos recently) his knowledge and photo library are extensive, and he lives right there in the city.

Posted August 3, 2015, by Don Morrison

This atlas from 1877 appears to show a bridge there. It also shows the railroad nearby to be Concord Railroad.

Old Lattice Bridge (New Hampshire)
Posted August 3, 2015, by Will Truax (Bridgewright [at] gmail [dot] com)

I don't remember the fire, but I remember this bridge.

This would be categorized both locally and in the trade as a Town with Supplemental Arches (to signify their being added and not original equipment)

Posted August 3, 2015, by Ian Martin

Here's what I could find:

Looks like a two-span through truss that became obsolete when the first US 4 bridge opened upstream in 1959 (that bridge was later replaced in 2005). It likely never carried US 4, as that route stayed west of the river through Penacook prior to I-93's construction. However "Hannah Dustin Drive" is likely a newer street name and likely wouldn't have been applicable to this bridge. More likely, it might have served as an extension of Commercial Street from Penacook into Boyce. It appears that the western span was demolished after the new bridge opened in 1959, but the eastern span remained through the 1990s.

Posted August 3, 2015, by Ian Martin

I don't know, I think I'm stumped for the moment. Oldest aerial I can find is 1947, and it shows the same concrete remnants in the current photos. It also doesn't show up on any topo maps going back to 1900, but given the concrete construction on the abutments I would say that it's likely a 20th-century construction. If I had to guess, I would say it was a short-lived pedestrian bridge (connecting Pine Island Park to Bedford?) that was either too small to chart on a topo or was created and destroyed before it could ever be mapped by USGS.

Posted August 3, 2015, by Will Truax (Bridgewright [at] gmail [dot] com)

Your shot?

I should know, I have deep connections to Goffs Falls, the no longer really existing borough of the city, (a city with many sets of empty piers and abutments) but it's been thirty years since I walked this part of the riverbank.

DS of the RR bridge? Separated by what distance?

Posted August 2, 2015, by Matt Lohry

I have to respectfully disagree; Photo #5 clearly shows a Howe configuration. Queen post bridges have only 3 panels total; this bridge has 4.

Posted August 2, 2015, by Ian Martin

Looks like the Concord Railroad controlled this line from its construction until its 1889 merger with the Boston, Concord & Montreal, after which it was known as the Concord & Montreal RR. The C&M was in turn absorbed by the Boston & Maine in 1895.

Posted August 2, 2015, by Luke
Posted July 29, 2015, by David Backlin (us71 [at] cox [dot] net)

Aeriel view via Bing Maps

Posted July 27, 2015, by Nathan Holth (webmaster [at] historicbridges [dot] org)

Jason, please provide citation and elaboration on your update. What safety reasons? What time schedule? I am curious to know more because this appears to be a pointless demolition and loss of a bridge that is important in New Hampshire Context.

U.S. Route 4 Bridge (New Hampshire)
Posted June 30, 2015, by Don Morrison



Thanks for the message agreeing with my opinion on this location. I don't remember adding the comment, but at least we finally got the location correct.

Did you arrive at this bridge via the to-do list? I sometimes look for bridges on the list and may have been doing some to-dos when I wrote that message.

Sometimes you find something really interesting on the to-do list. Here is one I was looking to correct (the location information of) two years ago. 8^)

U.S. Route 4 Bridge (New Hampshire)
Posted June 28, 2015, by Royce and Bobette Haley (roycehaley111 [at] yahoo [dot] com)

Hey Don

Just saw this from last year-U.S. Route 4 Bridge

Posted March 23, 2014, by Don Morrison

Does anyone agree that this bridge was probably located at 43.643513,-72.112888 instead of where it's presently shown?

Some of the HAER photos were obviously taken from a nearby bridge, and these coordinates are where Rte. 4 crosses the Mascoma in close proximity to one of the many rail to trail bridges in this area.

You are correct with those Coordinates-Royce

Posted June 27, 2015, by Don Morrison

Bing maps shows it as Jackson Pond Road, and the Bing imagery has less dense foliage.

Posted June 27, 2015, by Ian Martin

Pin was in a weird spot; I moved it to the correct location. The road doesn't show up on Google Maps but does show up on topo maps prior to the 1980s. It does look like the bridge is still there if you really look closely at the satellite imagery.

NEGS - Lakeport Draw (New Hampshire)
Posted June 16, 2015, by Nathan Holth (webmaster [at] historicbridges [dot] org)

Seriously?! In the photos, it looks like the counterweight is submerged in the water when raised. Designer of this bridge would be a laughingstock for early 20th Century bridge engineers for failing to provide the basic feature of a counterweight pit for this type of counterweight positioning.

Posted June 13, 2015, by Will Truax (Bridgewright [at] gmail [dot] com)

No worries, I think we're both on the same page and working to expand on and accurize the database...

Do know there are existing photos of the multiple incarnations of the Granite Street lost to high water, the challenge is finding one someone has not watermarked or falsely claimed as being copyright protected.

Here's a link to a watermarked shot >

Posted June 13, 2015, by Will Truax (Bridgewright [at] gmail [dot] com)

Now which bridge are we discussing here?

In these two images the Granite Street is barely discernible though can be seen in the extreme distance.

The Steam Bridge (New Hampshire)
Posted June 13, 2015, by Will Truax (Bridgewright [at] gmail [dot] com)

Oh,apologies - It was unclear to me that the listing is for the second bridge in the photographed grouping.

The Steam Bridge (New Hampshire)
Posted June 13, 2015, by Will Truax (Bridgewright [at] gmail [dot] com)

This is a duplicate listing - And I do not know this bridge to have ever been known as the Steam Bridge.

See The McGregor for more photos and background. information.

The Steam Bridge (New Hampshire)
Posted June 11, 2015, by Nathan Holth (webmaster [at] historicbridges [dot] org)

Here is a higher resolution copy of the photo. And the source material is here

NEGS - Lakeport Draw (New Hampshire)
Posted June 6, 2015, by Will Truax (Bridgewright [at] gmail [dot] com)

Now that there are photos, (I live but twenty away and never made it over to shoot any - Thanks R&B) can we maybe move the rendering to the rear, and have an actual image appear when the data page is opened?

Posted May 25, 2015, by Nathan Holth (webmaster [at] historicbridges [dot] org)

My understanding is that Acrow modular bridges are essentially Bailey truss bridges, updated and simplified. They call them the "Third Generation" which I assume means an improvement over the original Bailey M2 Model. Basically Bailey 3.0. From

The 700XS Acrow Panel Bridging system is the third generation of improvements beyond the original, world-renowned Bailey Bridge. Briefly, the design of the new 700XS System has produced a lighter bridge comprised of fewer components with a truss that is 50% taller than alternate panel bridges and, as a result, 50% stronger in bending and 20% stronger in shear.

Posted May 24, 2015, by Clark Vance (cvance [at] dogmail [dot] com)

Does anyone else thing this looks like an Acrow bridge rather than Bailey?

Posted May 21, 2015, by Ian Martin

Unless someone is oppsoed, I'm going to change the RR bridges between Plymouth & Lincoln to PLRR titles instead of NEGS (New England Southern). NEGS has rights to Lincoln but hasn't operated north of the Laconia/Tilton area in many years; the only trains to regularly use these bridges are PLRR tourist trains.

Bath Bridge 29-05-03 (New Hampshire)
Posted May 16, 2015, by Will Truax (Bridgewright [at] gmail [dot] com)

I am in complete agreement with Micheal as to categorizing truss type -

The Bath features an unpatented truss type which was once found in greater numbers in this immediate area.

Though often misidentified as Burr or Haupt variants, the truss is not a variant of either, nor does it share any similarities with a Paddleford other than the curious irony that both share the same home range and both are unpatented.

Posted April 22, 2015, by Tony Dillon (spansaver [at] hotmail [dot] com)

Would better be described as a Moron Attack.

Posted April 22, 2015, by ArtS (asuckewer [at] knite [dot] com)
Cheshire Bridge (New Hampshire)
Posted April 1, 2015, by Will Truax (Bridgewright [at] gmail [dot] com)
Posted March 29, 2015, by Ian Martin

This is a fixed-span bridge; the drawbridge in the drawings is further north. I've created an entry for it here:

Lilac Bridge (New Hampshire)
Posted February 2, 2015, by Will Truax (Bridgewright [at] gmail [dot] com)

I somehow missed this, (The Banner is a free weekly handed out at Hooksett area markets) or I would've shared it here. I lived in town as a boy, and this bridge is among my earliest memories.

It's been a bad run of news for the remaining Storrs spans of late.

Lilac Bridge (New Hampshire)
Posted February 2, 2015, by ArtS (asuckewer [at] knite [dot] com)

That's nuts! That thing is newer and probably stronger than the Lambertville - New Hope bridge.

Can Nels fix it less than the scrap and replace price?


Art S.

Lilac Bridge (New Hampshire)
Posted February 2, 2015, by Nathan Holth (webmaster [at] historicbridges [dot] org)

$11.5 million to rehab this noteworthy historic bridge and only $3.3 million to reduce it to scrap metal and replace it? Were they planning on painting the rehabilitated bridge in 24 carat gold?!

Posted February 2, 2015, by Randy Needham (RNeedham [at] AcrowUSA [dot] com)

Town council voted to remove it and replace it with a pedestrian / utility bridge. It is in danger of collapsing into the Merrimack River.

McGregor Bridge (New Hampshire)
Posted January 17, 2015, by Will Truax (Bridgewright [at] gmail [dot] com)

I came across a bit of information which had me editing an older blog entry. It also led to the collection of enough information to recently add The McGregor here.

The Blog piece, while more about the history of the crossing than that of The McGregor, it does hold additional information, not seen here on the data page.

For those interested in the history of BIBCO, it also pictures a company advertisement which seems to be the only image of this bridge where its structure can be seen in its entirety.

Posted January 15, 2015, by Matt Lohry

Of course, since it's a covered bridge, the word "renovations" is appropriate...if it were a metal truss bridge, the word "replacement" would be used instead.

Posted January 15, 2015, by ArtS (asuckewer [at] knite [dot] com)
Posted January 5, 2015, by Will Truax (Bridgewright [at] gmail [dot] com)

Meaningless inane letters to the editor aside...

There was unfortunate news here today that holds a bit more meaning than the words of someone who cancels out their own opinion by dismissing an entire class of bridges >

Posted January 5, 2015, by Fmiser (fmiser [at] gmail [dot] com)

Nice work Will! I was unaware of the Briggs truss. Thanks for bringing it to light.

Moose Brook Bridge (New Hampshire)
Posted January 5, 2015, by Will Truax (Bridgewright [at] gmail [dot] com)

A slideshow of A PP presentation documenting the replication of the Moose Brook given by the parties involved in making this happen at last years 2nd National, has recently been uploaded to the net.

Both photos of the process of recreating the trusswork, (many of them mine) and Vern's work in repairing damaged castings included >

Posted January 4, 2015, by Will Truax (Bridgewright [at] gmail [dot] com)

I recently corrected multiple errors on this data page.

Some may have interest in this bridge in that it is the sole recorded example of a no longer existing patent truss type.

Background information including a link to the patent office records can be found here >

Posted December 30, 2014, by Steve Lindsey (stevelindsey60 [at] hotmail [dot] com)

Also referred as The shuttle car bridge as it carried heavily laden shuttle cars between industrial sites hence its heavy construction.

Unless it has been recently renovated, I do not believe it is passable for pedestrians.

Posted December 10, 2014, by Scott Gavin (trainnut1956 [at] gmail [dot] com)

Very interesting pictures! There used to be a lot of covered railroad bridges on railroads here in the Willamette Valley of Oregon, most of them built between the 1880s and the 1900s, but none of them survive.

Posted December 10, 2014, by Julie Bowers (jbowerz1 [at] gmail [dot] com)

Nice work Will.

Posted December 10, 2014, by Will Truax (Bridgewright [at] gmail [dot] com)

For those interested in this Wooden Howe Pony, I just shared / embedded a video of the temp removal crane pick on the bridges data page.

Posted December 3, 2014, by Will Truax (Bridgewright [at] gmail [dot] com)

The Snyder Brook has been closed for some months, as scour has destabilized one of the abutments. It will be swung off the abutments Friday to await stonework repair and eventual re-emplacement in the coming summer.

Posted December 3, 2014, by Will Truax (Bridgewright [at] gmail [dot] com)

Closed to traffic as of December 1st

The city has put up a project website >

Depot Street Bridge (New Hampshire)
Posted November 20, 2014, by ArtS (asuckewer [at] knite [dot] com)
Smith River Bridge (New Hampshire)
Posted November 16, 2014, by John K. (jkedz6364 [at] yahoo [dot] com)

Not owned by Corps of Engineers, state-owned bridge.

Bath Bridge (New Hampshire)
Posted October 31, 2014, by ArtS (asuckewer [at] knite [dot] com)

blog post with picture and historic marker description:

Posted October 28, 2014, by Will Truax (Bridgewright [at] ymail [dot] com)

I added and corrected some information, and embedded an eighty six year old video clip to the data page, and thought I'd also add a link to this background piece >

Posted September 4, 2014, by ArtS (asuckewer [at] knite [dot] com)
Posted August 29, 2014, by ArtS (asuckewer [at] knite [dot] com)

Another truck attack:

Doesn't sound too bad this time.

Posted August 20, 2014, by Rob Edsall (carto [dot] robedsall [at] gmail [dot] com)

FYI - this is over the Amonoosuc, not the Connecticut.

Posted July 20, 2014, by Patrick S. O'Donnell (1 [dot] 991km [at] comcast [dot] net)
Posted July 20, 2014, by Ralph Demars (rdemars1 [at] yahoo [dot] com)

Also, it's great that the NHDOT and the MDOT are making it available for reuse. Both decks(the upper road and the lower railroad) would make great bike paths.

Posted July 20, 2014, by Ralph Demars (rdemars1 [at] yahoo [dot] com)

Hmmm... can anyone tell me how that lower raildeck drawbridge works?

BTW just added a street view of it.

Posted July 17, 2014, by ArtS (asuckewer [at] knite [dot] com)

Available for adaptive reuse in a new location...


REGARDING BRIDGE AVAILABLE FOR ADAPTIVE REUSE The Sarah Mildred Long Bridge on U.S. Route 1 Bypass and Railroad over the Piscataqua River in Kittery, York County, Maine and Portsmouth, Rockingham County, New Hampshire is available for adaptive reuse at a new location. Prior to dismantling, Federal law requires MaineDOT, New Hampshire DOT, and the Federal Highway Administration (FHWA) to first offer the bridge to any group that could legally take possession of the bridge and maintain it, provided the group assumes all future legal and financial liability (see 23 USC 144 (5 and 6)). Costs to induce acceptance of the offer of donation may not exceed the cost to dismantle the bridge. FHWA, MaineDOT and New Hampshire DOT will work jointly to determine the most appropriate use of the existing bridge from any proposals received. The National Register-eligible 1940 Sarah Mildred Long Bridge designed by Harrington and Cortelyou is a 27 span, 2804 foot long bridge consisting of a 243 foot long vertical lift span flanked at each end by two 227 foot long warren with vertical deck truss spans. There are seven north approach spans ranging from 70 feet to 90 feet long and riveted Parker thru truss main span and a 96 foot long riveted camelback pony truss approach span. The south approach spans consist of 15 deck girder spans. If the bridge is transferred to another party, the transfer deed may include preservation covenants that require the new owner to preserve and maintain the bridge in accordance with established standards for historic bridges. Interested parties may contact David Gardner at the following address by September 1, 2014: Maine Department of Transportation, Environmental Office 16 State House Station Augusta, ME 04333PUBLIC Notice PUBLIC Notice PUBLIC Notice5103218

Appeared in: Portland Press Herald/Maine Sunday Telegram on Thursday, 07/17/2014

Posted May 17, 2014, by Steven W Lindsey (SteveLindsey60 [at] hotmail [dot] com)

Concord solicits proposals to reuse Sewalls Falls Bridge elsewhere.


Charles Dana Bridge (New Hampshire)
Posted May 17, 2014, by Steven W Lindsey (SteveLindsey60 [at] hotmail [dot] com)

Wood plank sidewalk replaced on this bridge.


Posted May 17, 2014, by Steven W Lindsey (SteveLindsey60 [at] hotmail [dot] com)

Wood plank sidewalk replaced on this span.


Depot Street Bridge (New Hampshire)
Posted March 29, 2014, by Will Truax (Bridgewright [at] gmail [dot] com)

Another update -

I'll swing by for some shots after the just beginning to melt snow-pack is gone.

Posted March 23, 2014, by Steve LaBonte (mv_jct [at] yahoo [dot] com)

This bridge crosses the Ammonoosuc River. Not the Connecticut.Boston and Maine RR bridge number 101.52

Posted March 23, 2014, by Steve LaBonte (mv_jct [at] yahoo [dot] com)

This bridge crosses the Ammonoosuc River. Not the Connecticut.

U.S. Route 4 Bridge (New Hampshire)
Posted March 23, 2014, by Don Morrison

Does anyone agree that this bridge was probably located at 43.643513,-72.112888 instead of where it's presently shown?

Some of the HAER photos were obviously taken from a nearby bridge, and these coordinates are where Rte. 4 crosses the Mascoma in close proximity to one of the many rail to trail bridges in this area.

U.S. Route 4 Bridge (New Hampshire)
Posted March 23, 2014, by ArtS (asuckewer [at] knite [dot] com)

Found this, interesting but rather unfriendly terms. Also odd that it came up in a search of recent updates considering the bridge has been gone so long:

Posted March 22, 2014, by Julie Bowers (jbowerz1 [at] gmail [dot] com)

We've made some calls Tony and found the person to talk with so perhaps we can enlighten and get Nels to work. My goal for the year, and the following years, is to keep him busy on Workin' Bridges projects. We are also looking at apprenticeship training so if you know some folks that might want to WORK and LEARN by doing, then send them our way.

We can't win them all, we don't have time to do them all, but we can help.

Posted March 21, 2014, by ArtS (asuckewer [at] knite [dot] com)

Don't worry Tony, they will only replace the metal parts :^)

Posted March 21, 2014, by Nathan Holth (form3 [at] historicbridges [dot] org)

Nels actually specifically mentioned this bridge to me some time ago and said he would love to work on this. He commented that he felt lenticular truss bridges were among the most beautiful bridges ever built, and I agree completely! If anyone in this community is interested in having the bridge evaluated get in touch with Nels at

Posted March 20, 2014, by Tony Dillon (spansaver [at] hotmail [dot] com)

As far as what I have seen this is the last Lenticular Deck truss remaining and is of major significance.

This sounds like a real opportunity might be in the making to save what could certainly be the centerpiece of this area. I just hope that if it comes to fruition the right engineers and contractors are called in to repair the smaller span in-kind and replicate the original railings.

I know that Nels Raynor up in Michigan would be my choice for the rebuild and he could certainly do those railings!

Posted March 20, 2014, by Tony Dillon (spansaver [at] hotmail [dot] com)

I see the words REPAIR, REBUILD, and RECONSTRUCT in this article, but this sure sounds like a REPLACEMENT to me!

Posted March 20, 2014, by ArtS (asuckewer [at] knite [dot] com)

The article lists this as the last pumpkinseed bridge in the country. Obviously, that's not the case, pumpkinseed = lenticular, no? Is it the last lenticular deck truss?

Posted March 20, 2014, by Steven W Lindsey (SteveLindsey60 [at] hotmail [dot] com)

As I remember it, it was a through truss design and a magnificent entryway into downtown Plymouth. There was little support for saving it which is a surprise for me as I have heard that Plymouth University is where in the University System of NH one can take courses and acquire a certificate in historic preservation.

Posted March 20, 2014, by Steven W Lindsey (SteveLindsey60 [at] hotmail [dot] com)

Latest on bridge, moneys voted.

See: "Henniker voters green-light money for bridge construction


Concord Monitor staff

Sunday, March 16, 2014

(Published in print: Sunday, March 16, 2014)

Voters approved the final step to repair the Western Avenue bridge at yesterday’s Henniker town meeting – the money to fix it.

The bridge has been closed since the state deemed it unsafe in 2008, increasing traffic on the Patterson Hill bridge, which was rebuilt 20 years ago according to historic preservation requirements.

And after supporting the project since it first appeared on the warrant in 2009, voters approved a bond, 83-37, that will raise and appropriate $6.04 million for the cost to reconstruct the Western Avenue bridge. Last year, voters approved an article to cover the $384,000 associated with the design engineering portion of the project.

“We want to send a clear signal to the state and government that we intend to construct this bridge in Henniker,” said selectmen Chairman Kris Blomback before the vote.

The state Department of Transportation and Federal Bridge Aid will cover 80 percent of the construction, expected to begin in fall 2015. The town is responsible for the remaining 20 percent, or $1.20 million of the bond, but with construction more than a year away, some felt the vote should be pushed off.

“My recommendation is to wait till we have an idea of what the real bond amount will be,” said resident Jenn McCourt.

It was one of 19 articles Henniker residents passed at this year’s town meeting, only voting down one brought forward by petition..."

Posted March 20, 2014, by Steven W Lindsey (SteveLindsey60 [at] hotmail [dot] com)

Study group to focus on Livermore Falls, and by extension, The Pumpkin Seed Bridge.

Union Leader March 19, 2014 article: "Group seeks to improve Livermore Falls area


Union Leader Correspondent

The Livermore Falls area of Plymouth. (Courtesy)

PLYMOUTH — A group of representatives from three towns, college students at Plymouth State University, state officials and lovers of the Livermore Falls area of the Pemigewassett River are asking for public input about the future of that part of the river.

With help from the Plymouth Rotary, the Friends of the Pemi-Livermore Falls Chapter is asking for ideas for future usage of the falls area,

"It's an amazing site. To me it's as nice as anything in Franconia Notch or the Flume," said Thaddeus Guldbrandsen, PSU's vice provost for research and engagement.

The "vision session" meetings will be held Wednesday at 5:30 p.m. at the Holderness Central School and on Saturday, March 29, at 8:30 a.m.

The falls area, which is located within the towns of Plymouth, Campton and Holderness, is owned by the state. It is a popular area for swimming and sightseeing, and above the falls area is the historically important "Pumpkin Seed" bridge, the remains of a bridge erected in 1886 that was closed in 1959.

The state owns Livermore Falls and 174 adjacent acres on both sides of the river in the towns of Campton and Holderness. A December report by PSU students David Coy and James McManus identified that the area contains two beaches, and was the site of the state's first fish hatchery.

According to the report, the area has been the site of numerous mills, and the bridge is the last standing pumpkinseed bridge in the country.

In their report, the students recommended a new footbridge, repairing some of the broken fences protecting dangerous areas of the falls area, organized cleanup of the area and improved signage.

"The implementation of an offsite education program promoting stewardship of the land could help with some of the issues faced by Livermore Falls," the students said in their report.

The campaign is called "Let's Make More out of Livermore" as Rotarians are suggesting that the area be made into a state park.

The meetings will be "brainstorming sessions," according to the rotary. "

Depot Street Bridge (New Hampshire)
Posted March 20, 2014, by ArtS (asuckewer [at] knite [dot] com)

They are paying $400K for it to be taken away:

Anybody want a bridge?


Art S.

Posted March 11, 2014, by Jason Smith (JDSmith77 [at] gmx [dot] net)

The fate of this bridge is now officially sealed. Sewalls Falls Bridge to be replaced starting in 2015:

Depot Street Bridge (New Hampshire)
Posted March 6, 2014, by Will Truax (Bridgewright [at] ymail [dot] com)

Town Meeting time -

Two sets of townspeople to decide...

Posted February 19, 2014, by Steven W Lindsey (SteveLindsey60 [at] hotmail [dot] com)

The local paper, the Concord Monitor, headquarters in its building complex on the east side bank adjacent to this bridge. The Monitor has fought tirelessly to see the bridge replaced.

Posted January 15, 2014, by Anonymous

New street view added

Posted January 3, 2014, by Luke Harden (lukemh9 [at] gmail [dot] com)


Posted January 3, 2014, by ArtS (asuckewer [at] knite [dot] com)
Posted December 17, 2013, by Christopher (ccab1324 [at] gmail [dot] com)

While the Bridge at Livermore falls may be an immaculate structure I have high doubts that it will ever be restored. Livermore falls is home to one of the best cliff jumping experiences around. It is a local phenomenon and on a nice day there may be anywhere from 10-50 people swimming in this area. There are 14 documented deaths mainly contributed to people jumping off this bridge. NH live free or die is a different breed. This bridge is about 65 ft above water at the base and 105 from the top yet I have seen people jump from both areas. I can admit to being one of the fellows who jump from the bottom not the top. There are additionally three cliffs you can jump from ranging from 20ft, 40ft, and 60ft high. there is also an extremely large rope swing hanging from the bridge. when one goes of this rope swing the echo of the old metal bridge can be heard from up to half a mile away and the bridge seems to just rest on the granite on both sides of the river. Having gone on this bridge I would not be surprised if this rope swing snapped in the next few years causing injury to the user. the danger of this brings up much controversy and many locals would like to take the bridge down completely. Many locals fear doing any work on this bridge above the water will affect the towns drinking water and the water coming from the highly acclaimed spring nearby. the bridge is located over what seems to be the strongest part of the Pemigewasset river that I have ever encountered. The remnants of this bridge will be there for a long time. I would love to invest in some Hydropower in this area however It will not be allowed to happen for quite some time at least 10 years.

Posted December 9, 2013, by Will Truax (Bridgewright [at] gmail [dot] com)

This page contains information regarding two bridges, the historic Long lost to arson in '93 - And the two lane Long variant built to replace it in '01.

Both have two distinctly different names, though neither is SBRB, nor is either owned by the state.

Not sure I have enough information to divorce the pages, though I will try to turn up photos of the historic Long.

Posted December 4, 2013, by Thomas Engel (Thosengel [at] gmail [dot] com)

Now-removed road truss bridge over same river several miles south at the Hannah Duston monument in Penacook along RR. Two or three span thru truss (Pratt probably) with westernmost span gone before 1965 when first seen; amazingly still there in 1992 and later in the 1990's but removed by 2008 but piers still in river. Mystery that for decades the remaining spans were left standing and not removed; a local man told me during one visit said an overweight truck had fallen through (in the late 1940's (?)(!)) and the new highway bridge built several hundred feet upstream replaced it which itself has since been replaced.

Anyone know the complete story? I took pictures in 1992 and later but can't post them here.

Posted November 15, 2013, by Will Truax (Bridgewright [at] gmail [dot] com)

It is not maintained by the State, but I take your point, and share in the opinion of whomever made the decision as to placement that it was a disrespectful, silly, and needless choice.

And alluded to that in the caption of that photo, a photo that none the less reveals the name of the bridges builder.