Mollys Run Bridge (Jefferson County, Indiana)
Built 1905
Pony truss bridge over Mollys Run on Brooksburg Manville Road (CR 260N)
Open to one-lane traffic

Moneek Bridge (Winneshiek County, Iowa)
Built ca. 1872. Relocated to Castalia City Park ca. 1993
Bowstring pony truss bridge
Open to pedestrians

Moniteau Church Road Bridge (Moniteau County, Missouri)
Built ca. 1930
Pony truss bridge over Howard Creek on Moniteau Church Road southwest of Jamestown
Open to traffic

Monkey Jack Bridge (Henry County, Indiana)
Built in 1910, closed in 1970's
Pony truss bridge over Big Blue River on CR 225 West
Closed to all traffic with deck missing

Monroe Street Bridge (Cook County, Illinois)
Built 1919
Bascule bridge over South Branch Chicago River on W. Monroe Street in Chicago
Open to traffic

Morman Fork CR 81 Bridge (Bates County, Missouri)
Pony truss bridge over a branch of Morman Fork on CR 81 (West Boone Road)
Open to traffic

Morrison Creek Bridge (Sullivan County, Indiana)
Built 1935
Pony truss bridge over Morrison Creek on CR 75 North
Open to traffic

Morton Creek AR 341 Bridge (Baxter County, Arkansas)
Built 1929; replaced 2004
Lost pony truss bridge over Morton Creek on AR 341 north of Norfolk in Salesville
Replaced by a new bridge

Mossy Creek Route 613 Bridge (Augusta County, Virginia)
Built 1910
Pony truss bridge over Mossy Creek on Route 613
Open to traffic

Mountain Fork Bridge (Polk County, Arkansas)
Built 1905
Two-span pony truss bridge over Mountain Fork Creek on CR 38 near the community of Camp Pioneer
Open to traffic

Mountain Glen Bridge (Union County, Illinois)
Pony truss bridge over a branch of Clear Creek near Mountain Glen
Open to traffic on a paved road

Mountain St. over the Verdugo Wash (Los Angeles County, California)
1936
Pony truss bridge over Verdugo Wash on Mountain St. in Glendale, Los Angeles County, California
Open to Traffic

Muddy River Bridge (Clark County, Nevada)
Built 1932-33; demolished ca. 1987
Lost two-span pony truss bridge over Muddy River on Old US 91
No longer exists

Mulberry River AR 23 Bridge (Franklin County, Arkansas)
Built 1935 by McEachin and McEachin, Inc., of Little Rock
Three-span pony truss bridge over Mulberry River on AR 23
Open to traffic

Murphy Drive Bridge (Caldwell County, Missouri)
Built ca. 1930
Pony truss bridge over Long Creek on S.W. Murphy Drive
Open to traffic

Mystery Bedstead Bridge (Cooper County, Missouri)
Relocated bedstead pony truss bridge visible from Highway M, just west of Harriman Hill Access
Abandoned in a field

N. 50th Street Menomonee River Bridge (Milwaukee County, Wisconsin)
Built 1976
Pony truss bridge over Menomonee River on N. 50th Street in Milwaukee
FOUND! This elusive bridge is well hidden but extant behind private property.

Nahma Bridge (Delta County, Michigan)
Built 1917 by the Joliet Bridge & Iron Co.; closed to traffic in 1995; relocated Summer 2006
Pony truss bridge formerly over Sturgeon River on CR 497
Relocated to a golf course

New Lick Log Creek Bridge (Bollinger County, Missouri)
Originally built ca. 1922 on a state highway. Relocated here in 1995 to replace the older Lick Log Creek Bridge (now derelict)
Refurbished pony truss bridge over Lick Log Creek on CR 736 near Gipsy
Open to traffic with no posted restrictions

New Rothrock Mill Bridge (Crawford County, Indiana)
Built 2005; replaced the old Rothrock Mill Bridge
Warren pony truss bridge over Blue River on Rothrock Mill Road (Co. Rd 120 South)
Open to traffic

Newman Road Bridge (Gibson County, Indiana)
Built 1927
Pony truss bridge over Newman Lateral on Newman Road
Open to traffic

Niangua River Old US 66 Bridge (Webster County, Missouri)
Built 1924
Pony truss bridge on Route CC (Old US 66) over East Fork Niangua River
Open to traffic

Noix Creek MO 79 Bridge (Pike County, Missouri)
Built 1935
Pony truss bridge over Noix Creek on MO 79 in Louisiana
Open to two-lane traffic

North Boat Ditch US 67 Bridge (Clark County, Arkansas)
Built 1931 by the Virginia Bridge & Iron Co. of Roanoke, Virginia
Pony truss bridge over North Boat Ditch of Terre Noire Creek on US 67
Open to traffic

North Caney Creek Bridge (Chautauqua County, Kansas)
Built ca. 1910
Pony truss bridge over North Caney Creek, 2.0 mi. north and 2.0 mi. east of Peru
Closed to all traffic

North Cayuga Street Bridge (Tompkins County, New York)
Built 1934; rehabilitated 2002
Pony truss bridge over Fall Creek on North Cayuga Street in Ithaca
Open to traffic

North Creek Bridge (Washington County, Illinois)
Built ca. 1930; rehabilitated 1970
Pony truss bridge over North Creek on TR 162A, 1.5 mi. northwest of Huegely
Open to one-lane traffic with a 10 ton weight limit

North Fork Little Maquoketa River Bridge (Dubuque County, Iowa)
Built 1901
Pony truss bridge over North Fork Little Maquoketa River on a local road
Open to traffic

North Fork MO 126 Bridge (Barton County, Missouri)
Built 1954
Three-span pony truss bridge over North Fork Spring River on MO 126
Open to two-lane traffic

North Fork Route H Bridge (Jasper County, Missouri)
Built 1933
Pony truss bridge over North Fork Spring River on Route H
Open to traffic

North Fork Route M Bridge (Jasper County, Missouri)
Built 1949
Pony truss bridge over North Fork Spring River on Route M (Baseline Road) in Carytown
Open to two-lane traffic

North Wea Creek Bridge (Miami County, Kansas)
Built ca. 1910
Pony truss bridge over North Wea Creek, 4.3 mi. west and 2.0 mi. north of Louisburg
Open to traffic

Norway Road Bridge (Newton County, Missouri)
Relocated here 1995
Pony truss bridge over Elm Spring Branch on Norway Road, just off Route HH
Open to two-lane traffic

Oak Grove Bridge (Madison County, Missouri)
Built 1922; made obsolete by new bridge in 1972
Pony truss bridge over Barnes Creek on CR 504 (Old MO 72, formerly MO 70) west of Fredericktown
Open to traffic on a paved road

Okamanpedan State Park Bridge (Emmet County, Iowa)
Built 1914; rehabilitated 1923
Pony truss bridge over East Fork Des Moines River on Tuttle Lake Road at Okamanpedan State Park
Open to one-lane traffic

Okatibbee Creek Bridge (Lauderdale County, Mississippi)
Built 1926
Pony truss bridge over Okatibbee Creek on Old US 80 in Meridian
Open to traffic

Old Appleton US 61 Bridge (Cape Girardeau County, Missouri)
Built 1931
Pony truss bridge over Apple Creek on US 61 at Old Appleton
Open to two-lane traffic on a dangerous curve

Old Five Road Bridge (Morgan County, Missouri)
Built 1922
Pony truss on Old Five Road over a branch of Little Gravois Creek
Open to traffic

Old Houston Mill Bridge (DeKalb County, Georgia)
Replaced 1958
Abandoned pony truss bridge over South Fork of Peachtree Creek on Old alignment of Houston Mill Rd in Atlanta
Abandoned

Old Jefferson Town Bowstring Bridge (Jefferson County, Kansas)
Built by the King Iron Bridge & Mfg Co. of Cleveland, Ohio. Relocated to Old Jefferson Town in Oskaloosa, Kansas. Added to the National Register of Historic Places in 1990.
Bowstring pony truss bridge over Unnamed creek
Open to pedestrians

Old Lincoln Highway Bridge (Douglas County, Nebraska)
Replaced 1998, the Pony Truss structures were replaced on the new bridge
Lost pony truss bridge over W Br Papillion Creek on Old Lincoln Hwy
Replaced by new bridge

Old Mines Bridge (Washington County, Missouri)
Built 1923; rehabilitated 1933; replaced Summer 2007
Lost pony truss bridge over Old Mines Creek on MO 21
Replaced by a new bridge

Old State Road Bridge (Clinton County, Illinois)
Built ca. 1930
Pony truss bridge over Beaver Creek on Old State Road (TR 109)
Open to one-lane traffic with a 6 ton weight limit

Old US 14 Bridge (Sheridan County, Wyoming)
Bridge made obselete by new bridge in 1994, and is now a pedestrian bridge.
Parker pony truss bridge over Tongue River on Old US 14 in Dayton
Open to pedestrians

Oneota Drive Bridge (Winneshiek County, Iowa)
Built 1948
Pony truss bridge over Drainage Channel on Oneota Drive in Decorah
Open to traffic

Orleans Bridge (Dickinson County, Iowa)
Originally located near New Hampton; relocated here in 1995
Bowstring pony truss bridge over the outlet below Spirit Lake on the Iowa Great Lakes Bike Trail at Orleans
Open to pedestrians and bicyclists only

Orten Creek Bridge (Scott County, Arkansas)
Built 1915; rehabilitated 1984
Pony truss bridge over Orten Creek on CR 60
Open to one-lane traffic

Osage Fork MO 5 Bridge (Laclede County, Missouri)
Built 1932
Three-span pony truss bridge over Osage Fork on MO 5 in Twin Bridges
Open to traffic

Osage Valley Road Bridge (Cooper County, Missouri)
Built 1913; rehabilitated 1993
Pony truss bridge over Petite Saline Creek on Osage Valley Road
Open to traffic

Osiris Bridge (Cedar County, Missouri)
Built ca. 1910; replaced 2006
Lost pony truss bridge over Horse Creek on CR 1600
Replaced by a new bridge

Oswald Bridge (Madison County, Illinois)
Built 1937
Pony truss bridge over Sugar Creek on Michael Road, east of Highland, 1.5 mi. east of Highland
Open to traffic

Ottawa Street Bridge (Newton County, Missouri)
Built by the Canton Bridge Co.
Pony truss bridge over Little Lost Creek on Ottawa Street in Seneca
Open to traffic

Ouachita River CR 74 Bridge (Polk County, Arkansas)
Built 1914; replaced 2001
Lost pony truss bridge over Ouachita River on CR 74
Replaced by a new bridge

Ouachita River CR 76 Bridge (Polk County, Arkansas)
Built 1914
Pony truss bridge over Ouachita River on CR 76
Open to one-lane traffic

Owens Creek Main City Road Bridge (Cass County, Missouri)
Built ca. 1940
Pony truss bridge over Owens Creek on Main City Road
Open to traffic

Owens Ditch Bridge (Benton County, Indiana)
Built ca. 1920
Pony truss bridge over Owens Ditch on CR 225 North
Open to traffic

Owl Creek Bridge (Allen County, Kansas)
Built 1909
Pony truss bridge over Owl Creek, 3.4 mi. west of Humboldt
Open to traffic

Parkdale Bridge (Fremont County, Colorado)
Built ca. 1915
Pony truss bridge over Arkansas River near Parkdale on CR 157 just off US 50
Open to traffic

Patterson Bridge (Wayne County, Missouri)
Built ca. 1922
Two-span pony truss bridge over Clark Creek near Patterson on CR 312 (Old MO 34)
Open to traffic with a 21 ton limit on a paved road

Patton Bridge (Bollinger County, Missouri)
Built 1922
Two-span pony truss bridge over Little Whitewater River on MO 51 in Patton
Open to two-lane traffic on a paved road

Perry County Road 838 Bridge (Perry County, Missouri)
Built 1905; reconstructed 1986
Bedstead pony truss bridge over a branch of Saline Creek on CR 838
Open to traffic

Petit Jean River AR 7 Bridge (Yell County, Arkansas)
Built 1930; replaced 1993
Lost pony truss bridge over Petit Jean River on AR 7
Replaced by a new bridge

Pickerel Creek Bridge (Greene County, Missouri)
Pony truss bridge over Pickerel Creek on FM 128, southwest of Bois D'Arc
Open to one-lane traffic

Pilot Grove Park Bridge (Montgomery County, Iowa)
Built 1876 by the Missouri Valley Bridge & Iron Co.; relocated 1968
Relocated bowstring pony truss bridge in Pilot Grove County Park
Open to pedestrians

Pilot Grove Road Bridge (Moniteau County, Missouri)
Built ca. 1940; rehabilitated 1992
Pony truss bridge over Pilot Branch on Pilot Grove Road
Open to traffic

Pin Oak Bridge (Madison County, Illinois)
Built ca. 1901; rehabilitated 1968
Pony truss bridge over Silver Creek on TR 236 (Pin Oak Road), 4.0 mi. northwest of Marine
Open to traffic

Pinch Creek CR 135 Bridge (Callaway County, Missouri)
Pony truss bridge over Pinch Creek on CR 135
Open to one-lane traffic

Pine Street Bridge (Snyder County, Pennsylvania)
Built 1952; rehabilitated 1992
Three-span pony truss bridge over Penns Creek on E. Pine Street (PA 1011) in Selinsgrove
Open to traffic

Piney Branch Bridge (Randolph County, Illinois)
Built 1901; bypassed by new bridge in 2002
Derelict bedstead pony truss bridge over Piney Branch on Piney Creek Road
Still standing, but in terrible condition with deck removed

Plainview Road Bridge (Franklin County, Arkansas)
Built 1940; rehabilitated 1976
Pony truss bridge over an unnamed creek on Plainview Road (CR 537)
Open to traffic

Plass Ditch Bridge (Knox County, Indiana)
Built 1925
Pony truss bridge over Plass Ditch on CR 1350 South
Open to traffic

Pleasant Ridge Road Bridge (Caldwell County, Missouri)
Bedstead pony truss bridge over Cottonwood Creek on N.E. Pleasant Ridge Road
Open to traffic

Plum Bayou Bridge (Jefferson County, Arkansas)
Lost four-span pony truss bridge over Plum Bayou on AR 31 (formerly AR 15) south of Sherrill
No longer exists

Plummer Creek Bridge (Greene County, Indiana)
Built ca. 1910
Pony truss bridge over Plummer Creek on CR 150 East
Open to traffic

Polk Road Bridge (Jefferson County, Indiana)
Built 1905
Pony truss bridge over Little Creek on Polk Road (CR 100S)
Open to one-lane traffic

Poncha Springs Bridge (Chaffee County, Colorado)
Built 1938
Pony truss bridge over South Arkansas River on US 285 at Poncha Springs
Open to traffic

Poplar Creek CR 341 Bridge (Clay County, Arkansas)
Built 1925; replaced 2001
Lost pony truss bridge over Poplar Creek on CR 341
Replaced by a new bridge

Possum Run Road Bridge (Warren County, Indiana)
Built 1925; rehabilitated 1965
Pony truss bridge over Possum Run on Possum Run Road
Open to traffic

Possum Trot Road Bridge (Moniteau County, Missouri)
Built ca. 1940
Pony truss bridge over Factory Creek on Possum Trot Road
Open to traffic

Prairie Creek Bridge (Dubuque County, Iowa)
Built ca. 1930
Pony truss bridge over Prairie Creek on a local road
Open to traffic

Prairie Dog Creek Bridge (Phillips County, Kansas)
Pony truss bridge over Prairie Dog Creek, 3.0 mi. north and 4.0 mi. east of Long Island
Open to traffic

Prairie Dog Creek Bridge (Phillips County, Kansas)
Built ca. 1910
Pony truss bridge over Prairie Dog Creek, 0.5 mi. north and 0.5 mi. east of Long Island
Open to traffic

Prairie Dog Creek Bridge (Phillips County, Kansas)
Built 1924
Pony truss bridge over Prairie Dog Creek, 1.5 mi. south and 1.0 mi. west of Long Island
Open to traffic

Prairie Fork Bridge (Christian County, Illinois)
Pony truss bridge over Prairie Fork on TR 297
Open to traffic

Private Chiloquin Bridge (Klamath County, Oregon)
Warren pony truss bridge over Sprague River on Private Road in Chiloquin
Open to traffic

Purdy Marsh Bridge (Knox County, Indiana)
Built 1905
Pony truss bridge over Purdy Marsh on CR 1050 East
Closed to all traffic

Purgatoire River US 350 Bridge (Las Animas County, Colorado)
Built 1937
Pony truss bridge over Purgatoire River on US 350
Open to two-lane traffic on a major state highway

Pyrtle Spring Bridge (Reynolds County, Missouri)
Built 1923; made obsolete by a new bridge in 1968
Three-span pony truss bridge over Sinking Creek on Old MO 21
Open to traffic on a paved road with a 12 ton weight limit

Quarry Road Bridge (Caldwell County, Missouri)
Built ca. 1930
Pony truss bridge over a branch of Log Creek on S.E. Quarry Road
Open to traffic

Quinette Road Bridge (St. Louis County, Missouri)
Built 1913
Closed pony truss bridge over Grand Glaize Creek on Quinette Road in Manchester
Closed to all traffic

Ramsey Branch Old US 61 Bridge (Cape Girardeau County, Missouri)
Built 1928
Pony truss bridge over Ramsey Branch on Old US 61 just south of intersection with MO 74 and South Sprigg Street in Cape Girardeau
Open to traffic on a dead-end paved road

Ramsey Creek Bridge (Pike County, Missouri)
Pony truss bridge over Ramsey Creek on CR 207
Open to one-lane traffic with a 6 ton weight limit

Ramsey Creek Bridge (Effingham County, Illinois)
Built 1909
Pony truss bridge over Ramsey Creek on TR 266, 1.7 mi. west of Eberle
Closed to all traffic

Red Bridge (Carroll County, Indiana)
Rehabilitated in 1999 and moved to Canal Park
Bowstring pony truss bridge over Old Wabash & Erie Canal on Delphi Historic Trails in Delphi
Open to pedestrians

Red Bridge (Christian County, Missouri)
Three-span pony truss bridge over Bull Creek on Red Bridge Road southeast of Ozark
Open to one-lane traffic

Rennic Road Bridge (Washington County, Arkansas)
Built ca. 1915; replaced 2005
Pony truss bridge over an unnamed creek on Rennic Road (CR 6) south of the Benton County line
Unknown status

Reno Hill Road Bridge (Moniteau County, Missouri)
Built 1912
Pony truss bridge over Dry Fork on Reno Hill Road
Open to traffic

Reynolds Road Bridge (Posey County, Indiana)
Built 1925
Pony truss bridge over Black River on Reynolds Road
Open to traffic

Rhinehart Road Bridge (Jackson County, Missouri)
Built 1904; rehabilitated 1986; replaced 2005
Lost pony truss bridge over Cedar Creek on Rhinehart Road in Kansas City
Replaced by a modern bridge

Richland Creek Bridge (Greene County, Indiana)
Built 1905
Pony truss bridge over Richland Creek on CR 390N
Open to traffic