There are 11,736 bridges in this category · Only showing 6,110 bridges with photos
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Owned by state

Memorial Bridge (Oxford County, Maine)
Built 1929; rehabilitated 1999
Concrete arch bridge over West Channel Androscoggin River on Portland Street in Rumford
Open to traffic

Memorial Bridge (Manistee County, Michigan)
Built 1933; rehabilitated 2005
Bascule bridge over Manistee River on US 31 in Manistee
Open to traffic

Memorial Bridge (Putnam County, Florida)
Built 1927; Replaced 1977
Lost Draw bridge over St Johns River on Us 17 (Sr 15)
Replaced by new bridge

Memorial Bridge (Old) (Rockingham County, New Hampshire)
Built 1923, rehabilitated 1982, closed to vehicle traffic in 2011
Vertical lift bridge over Piscataqua River on US 1 in Portsmouth
Demolished.

Memorial Tunnel (Kanawha County, West Virginia)
Built in 1954 and closed to vehicular traffic in 1987, it is now utilized by the Center For National Response as an anti-terrorism training facility
Tunnel on Old I-64 Old I-77
Intact but closed to all traffic

Memphis-Arkansas Bridge (Shelby County, Tennessee)
Built 1949
Cantilevered through truss bridge over the Mississippi River on I-55 at Memphis
Open to four lanes of traffic

Mendota Bridge (Dakota County, Minnesota)
Built 1926; rehabilitated 1992
Concrete arch bridge over Minnesota River on MN 55 in Mendota Heights
Open to traffic

Meramec River MO 19 Bridge (Crawford County, Missouri)
Built 1925 by the Federal Bridge Co.; replaced 2000
Lost five-span closed-spandrel arch bridge over Meramec River on MO 19
Replaced by a modern bridge

Meramec River MO 21 Bridge (St. Louis County, Missouri)
Built 1940; rehabilitated 2010
Steel through arch bridge over the Meramec River on Tesson Ferry Road (Missouri State Highway 21) at the St. Louis / Jefferson County line
Open to four lanes of traffic

Meramec River MO 30 / 47 Bridge (Franklin County, Missouri)
Built 1929-30 by M. E. Gillioz; replaced 2002
Lost five-span open-spandrel arch bridge over the Meramec River on Missouri State Highway 30 / 47
Replaced by bridge on new alignment

Meredosia Bridge (Morgan County, Illinois)
Built 1936; rehabilitated 1984
Cantilevered through truss bridge over the Illinois River on IL 104 at Meredosia
Open to traffic

Meridian Bridge (Sutter County, California)
Built 1977
Swing bridge over Sacramento Riv(Meridian) on CA 20
Open to traffic

Meridian Bridge (Yankton County, South Dakota)
Built 1924; rehabilitated 1953; bypassed by Discovery Bridge in 2008
Vertical-lift through truss bridge over the Missouri River on US 81 at Yankton
Closed to traffic

Meridian State Park Bridges (Bosque County, Texas)
Bridges constructed by the Civilian Conservation Corps
Bridges over feeder streams of Lake Meridian on Texas State Park Road 7
Open

Meridian Street Bridge (Jay County, Indiana)
Built 1914; rehabilitated 1997
Arch bridge over Salamonie River on US 27 in Portland
Open to traffic

Meridian Street Bridge (Pierce County, Washington)
Built 1925; rehabilitated 1951
Through truss bridge over Puyallup River on WA 167 in Puyallup
Open to traffic with weight restrictions

MERR - Elm Street Overpass (Sagadahoc County, Maine)
Built 1920
Deck plate girder bridge over Elm Street (Rte 24) on Maine Easterm Railroad
Open to traffic

MERR - Kennebec River Bridge (Augusta) (Kennebec County, Maine)
Built 1913
Warren deck truss bridge over Kennebec River on Maine Central Railroad
Intact but closed to all traffic

MERR - Old Arrowsic Road Overpass (Sagadahoc County, Maine)
Built 1926
Steel stringer bridge over Old Arrowsic Road on Maine Easterm Railroad
Open to traffic

MERR - Old Brunswick Road Overpass (Sagadahoc County, Maine)
Built 1916
Pony/through plate girder bridge over Old Brunswick Road (Sa10) on Maine Easterm Railroad
Open to traffic

MERR - Water Street Overpass (Kennebec County, Maine)
Built 1914
Plate girder bridge over Water Street (US 201) on Maine Eastern Railroad in Hallowell
Open to traffic

MERR River Road Overpass (Sagadahoc County, Maine)
Built 1903
Pony/through plate girder bridge over ME 24 (River Road) on Maine Eastern Railroad
Open to traffic

Merrimac Ferry (Columbia County, Wisconsin)
Privately owned, free ferry from 1844 to 1923, operated by State of Wisconsin since 1933 as a free ferry
Ferry across Wisconsin River on Wis 113
Open to traffic

Merrimack River Bridge (Essex County, Massachusetts)
Built 1850; rehabilitated 1966
Swing bridge over Merrimack River on Main Street in Amesbury
Open to traffic

Merrimack River Bridge (Essex County, Massachusetts)
Built 1976
Bascule bridge over Merrimack River on US 1 (Bridge Road) in Newburyport
Open to traffic

Merrimack River Bridge (Hillsborough County, New Hampshire)
Built 1923; rehabilitated 1995
Deck truss bridge over Merrimack River on US 3/NH 3A in Manchester
Open to traffic

Merritt Bridge (Douglas County, Missouri)
Built 1934
Steel stringer bridge over Little Beaver Creek on Route T
Open to traffic

Merritt Parkway - Norwalk River Bridge (Fairfield County, Connecticut)
Built 1938; rehabilitated 1988
Concrete arch bridge over Norwalk River on Merritt Parkway (CT 15) in Norwalk
Open to traffic

Merritt Parkway Grumman Avenue Bridge (Fairfield County, Connecticut)
1938 Concrete rigid frame bridge over Wilton Rd on Merritt Parkway
Open to traffic

Merritt Parkway Lake Avenue Bridge (Fairfield County, Connecticut)
1940 Steel rigid frame bridge over Merritt Prky on Lake Avenue
Open to traffic

Merritt Parkway Lapham Road Bridge (Fairfield County, Connecticut)
Concrete stringer bridge over Merritt Prky on Lapham Rd
Open to traffic

Merritt Parkway North Street Bridge (Fairfield County, Connecticut)
Built 1937
Concrete rigid frame bridge over Merritt Prky on North St
Open to traffic

Merritt Parkway over Bayberry Lane Bridge (Fairfield County, Connecticut)
Built 1939
Concrete arch bridge over Bayberry Lane on Merritt Parkway (CT 15) in Westport
Open to traffic

Merritt Parkway over Black Rock Turnpike Bridge (Fairfield County, Connecticut)
Built 1938
Concrete rigid frame bridge over Black Rock Turnpike (CT 58) on Merritt Parkway (CT 15)
Open to traffic

Merritt Parkway over Chestnut Hill Road Bridge (Fairfield County, Connecticut)
Built 1937
Concrete arch bridge over Chestnut Hill Road (CT 53) on Merritt Parkway (CT 15) in Norwalk
Open to traffic

Merritt Parkway over Cross Highway Bridge (Fairfield County, Connecticut)
Built 1938
Concrete arch bridge over Cross Highway on Merritt Parkway (CT 15) in Fairfield
Open to traffic

Merritt Parkway over Huntington Road Bridge (Fairfield County, Connecticut)
Built 1940
Rigid frame bridge over Huntington Road on the Merritt Parkway (CT 15)
Open to traffic above and below

Merritt Parkway over Taconic Road Bridge (Fairfield County, Connecticut)
Built 1936
Concrete arch bridge over Taconic Road on Merritt Parkway (CT 15) in Greenwich
Open to traffic

Merritt Parkway White Oak Shade Road Bridge (Fairfield County, Connecticut)
Built 1938
Concrete rigid frame bridge over Merritt Prky on White Oak Shade Road
Open to traffic

Merrymeeting River Bridge (Belknap County, New Hampshire)
Built 1934
Concrete rigid frame bridge over Merrymeeting River on Nh 11
Open to traffic

Mesilla Bridge (Dona Ana County, New Mexico)
Built 1960
Steel stringer bridge over Rio Grande on NM-359
Open to traffic

Messmer Street Bridge (Scott County, Missouri)
Built 1919 by contractor Stanford Madden
Concrete bridge on Messmer Street (Old US 61) over a branch of Ramsey Creek just north of Kelso
Open to traffic

Metaline Falls Bridge (Pend Oreille County, Washington)
Built 1951
Deck truss bridge over Pend Oreille River on WA 31 in Metaline Falls
Open to traffic

Methow River Bridge (Okanogan County, Washington)
Built 1950
Through truss bridge over Methow River on WA 153
Open to traffic

Methow River Bridge (Okanogan County, Washington)
Built 1929; rehabilitated 1950
Through truss bridge over Methow River on WA 20 in Winthrop
Open to traffic

Metropolitan Park Commission Bridge (Essex County, Massachusetts)
Lost Deck plate girder bridge over Saugus River on Route 107
No longer exists

Miami & Erie Canal Bridge (Lucas County, Ohio)
Lost Deck plate girder bridge over Miami & Erie Canal on Route 25
No longer exists

Miami Bridge (Saline County, Missouri)
Built 1939; rehabilitated 1983; closed to traffic Oct. 5, 2009; channel span demolished Oct. 27, 2009
Lost cantilevered through truss bridge over the Missouri River on MO 41 at Miami
Superstructure demolished

Miami Creek MO 52 Bridge (Bates County, Missouri)
Built 1924; replaced 2012
Lost through truss bridge over Miami Creek on MO 52
Replaced by a new bridge

Miami River Bridge (Miami-Dade County, Florida)
Built 1950
Bascule bridge over Miami River on NW 36th Street in Hialeah
Open to traffic

Miami River Bridge (Miami-Dade County, Florida)
Built 1928; rehabilitated 1956
Bascule bridge over Miami River on NW 12th Avenue in Miami
Open to traffic

Miami River Bridge (Miami-Dade County, Florida)
Built 1997
Pair of bascule bridges over Miami River on FL 9 (NW 27th Avenue) in Miami
Open to traffic

Miami River Bridge (Old) (Miami-Dade County, Florida)
Built 1929
Bascule bridge over Miami River on NW 5th Avenue (SR 7) in Miami
Replaced by a new bridge

Michigan Street Bridge (Carroll County, Indiana)
Built 1923, replaced in 1960
Lost concrete arch bridge over Wildcat Creek on Michigan Street
Replaced by new bridge

Middle Fabius River MO 16 Bridge (Lewis County, Missouri)
Built 1930
Pony truss bridge over Middle Fabius River on MO 16
Open to traffic

Middle Fabius River Route H Bridge (Lewis County, Missouri)
Built 1961
Pony truss bridge over Middle Fabius River on Route H
Open to traffic

Middle Fork AR 7 Bridge (Garland County, Arkansas)
Built 1933 by the Ault-Rich Construction Co. of Cassville, Missouri
Two-span open-spandrel arch bridge over Middle Fork Saline River on AR 7
Open to two-lane traffic

Middle Fork Coquille River Covered Bridge 37-10-29x (Douglas County, Oregon)
Built 1922, Replaced 1948
Lost covered Howe through truss bridge over Middle Fork Coquille River on OR 42
Replaced by new bridge

Middle Fork Grand River Route YY Bridge (Worth County, Missouri)
Built 1927
Pony truss bridge over Middle Fork Grand River on Route YY (formerly MO 29)
Open to traffic

Middle Fork IN 75 Bridge (Carroll County, Indiana)
Built 1942
Concrete arch bridge over Middle Fork Wildcat Creek on IN 75
Open to traffic

Middle Fork Kentucky River KY 30 Bridge (Breathitt County, Kentucky)
Built 1935
Pratt through truss bridge over Middle Fork Kentucky River on KY 30
Open to traffic

Middle Fork River Bridge (Barbour County, West Virginia)
Built 1914
Concrete arch bridge over Middle Fork River
Open to traffic

Middle Fork River Bridge (Randolph County, West Virginia)
Built 1909
Through truss bridge over Middle Fork River on CR 20
Open to traffic

Middle Fork River Bridge (Upshur County, West Virginia)
Built in 1893 by the Canton Bridge Company of Canton, Ohio
Through truss bridge over Middle Fork River on CR 5/26
Open to traffic

Middle Fork Saline River Bridge (Perry County, Arkansas)
Built 1933
Concrete tee beam bridge over Middle Fork Saline River on Sh 7
Open to traffic

Middle Fork Saline River Bridge (Garland County, Arkansas)
Built 1933
Concrete tee beam bridge over Middle Fork Saline River on SH 7
Open to traffic

Middle Fork Smith River Bridge (Del Norte County, California)
Built 1925; rehabilitated 1972
Concrete arch bridge over Middle Fork Smith River on US 199
Open to traffic

Middle Fork Wildcat Creek IN 26 Bridge (Howard County, Indiana)
Built 1933; rehabilitated 1992
Concrete arch bridge over Middle Fork Wildcat Creek on IN 26
Open to traffic

Middle Matilija Tunnel (Ventura County, California)
Built 1931
Middle Matilija Tunnel on State Route 33
Open to traffic

Middle Middle Pearl River US 90 Bridge (St. Tammany Parish, Louisiana)
Built 1933
Pony truss bridge over Middle Middle Pearl River on US 90
Open to traffic

Middle Nemah River Bridge (Pacific County, Washington)
Built 1939; removed 2013
Lost timber stringer bridge over Middle Nemah River on US 101
Replaced by a new bridge

Middle River Bridge (San Joaquin County, California)
Built 1915; rehabilitated 1975
Howe Through truss bridge over Middle River on CA 4
Open to traffic

Middle River Route 703 Bridge (Augusta County, Virginia)
Built 1915
Pony truss bridge over Middle River on Hewitt Rd (Route 703)
Open to traffic

Middle River Route 774 Bridge (Augusta County, Virginia)
Built 1903 by the Brackett Bridge Co.; Replaced 2010
Lost Pratt through truss bridge over Middle River on Cline River Road (Route 774)
Replaced by new bridge

Middle Spring Creek Bridge (Cumberland County, Pennsylvania)
Built 1911 by the Ferro Concrete Co.
Concrete arch bridge over Middle Spring Creek on US 11 in Shippensburg
Open to traffic

Middle Yuba River Bridge (Sierra County, California)
Lost Warren pony truss bridge over Middle Yuba River on Unnamed Dirt Road
Collapsed

Middlebury River Bridge (Addison County, Vermont)
Built 1924; Replaced 2014
Lost Closed-spandrel arch bridge over Middlebury River on Vt 00125 Ml
Replaced by a new bridge

Middlefield Road Bridge (Hampden County, Massachusetts)
Built 1902; replaced 1987
Lost Warren pony truss with alternating verticals bridge over Conrail Boston Line on Middlefield Road
Replaced by new bridge

Middleport Bridge (Niagara County, New York)
Built 1915; rehabilitated 1974
Vertical lift bridge over Erie Canal on NY 271 in Middleport
Open to traffic

Midgley Bridge (Coconino County, Arizona)
Built 1938
Steel arch bridge over Wilson Canyon on AZ A89
Open to traffic

Mike O'Callaghan - Pat Tillman Memorial Bridge (Mohave County, Arizona)
Opened on October 19, 2010 as a bypass route for Hoover Dam and for the Dept. of Homeland Security
Open-spandrel arch bridge over Colorado River on US 93
Open to traffic

Mile Point Bridge (Schuyler County, New York)
Stone arch bridge over Glen Creek on Pedestrian pathway
Open to pedestrians only

Miles River Bridge (Talbot County, Maryland)
Built 1984
Bascule bridge over Miles River on MD 370
Open to traffic

Military Street Bascule Bridge (Old) (St. Clair County, Michigan)
Built 1012-13; Replaced 1991
Lost Bascule Bridge over Black River on I-94/I-69 Business Loop in Port Huron
Replaced by new bridge

Mill Brook Bridge (Cheshire County, New Hampshire)
Built 1930
Concrete arch bridge over Mill Brook on NH 63 in Westmoreland
Open to traffic

Mill Canal (Androscoggin River) Bridge (Oxford County, Maine)
Built 1954
Steel stringer bridge over Mill Canal (Andro River) on Route 108
Open to traffic

Mill Creek Bidge (Scott County, Arkansas)
Built 1937
Bridge over Mill Creek on U.S. 270
Open to traffic

Mill Creek Bridge (Wasco County, Oregon)
Built 1948
Cantilevered Warren deck truss bridge over Mill Creek on US 26
Open to traffic

Mill Creek Bridge (Luzerne County, Pennsylvania)
Built 1885
Stone arch bridge over Mill Creek on PA 2004 (River Street) in Wilkes-Barre
Open to traffic

Mill Creek Bridge (Jackson County, West Virginia)
Built 1923
Concrete arch bridge over Mill Creek on CR 5
Open to traffic

Mill Creek Bridge (Jackson County, West Virginia)
Built 1922
Through truss bridge over Mill Creek on CR 25
Open to traffic

Mill Creek Bridge (Jackson County, West Virginia)
Built 1926
Concrete arch bridge over Mill Creek on WV 331
Open to traffic

Mill Creek Bridge (Jackson County, West Virginia)
Built 1926
Through truss bridge over Mill Creek on WV 87
Replaced by a new bridge

Mill Creek Bridge (Washington County, Missouri)
Built 1935
Concrete tee beam bridge over Mill Creek on Route M
Open to traffic

Mill Creek Bridge (Bradley County, Tennessee)
Built 1935
Concrete tee beam bridge over Mill Creek on Fas 74-Springplace Rd.
Open to traffic

Mill Creek Bridge (Scott County, Arkansas)
Replaced 1983
Lost Open-spandrel arch bridge over Mill Creek on US 71 in Y City
Replaced by new bridge

Mill Creek Bridge (Garland County, Arkansas)
Timber stringer bridge over Mill Creek on Mountain Pine Rd/3 Sisters Spring Rd
Open to traffic

Mill Creek Bridge (Cape May County, New Jersey)
Built 1930
Steel stringer bridge over Mill Creek on NJ Route 49
Open to traffic

Mill Creek Bridge (Independence County, Arkansas)
Built 1937
Concrete tee beam bridge over Mill Creek on Sh 106
Open to traffic

Mill Creek Bridge (Crawford County, Arkansas)
Built 1940
Bridge over Mill Creek on Sh 215
Open to traffic