There are 3,979 bridges in this category · Only showing 2,658 bridges with photos
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NR-eligible

Mantua Creek Bridge (Gloucester County, New Jersey)
Built 1935
Vertical lift bridge over Mantua Creek on NJ 44 in Paulsboro
Open to traffic

Manville Mill Trench (Providence County, Rhode Island)
Built Aproximatley 1860
Tunnels Under Road
Open to traffic

Maple Grove Road Bridge (Garrett County, Maryland)
Built 1926 by the Concrete Steel Bridge Co.
Concrete arch bridge over Casselman River on Maple Grove Road
Open to traffic

Maple Street Bridge (Garrett County, Maryland)
Built 1921, probably by the Luten Bridge Co.
Concrete arch bridge over Bear Creek on Maple Street
Open to traffic

Maple Street Bridge (Hampden County, Massachusetts)
Built c. 1900; rehabilitated 2010
Pratt through truss bridge over Westfield River on Maple Street
Open to traffic

Marais River Route B Bridge (Bates County, Missouri)
Built 1934-35
Pony truss bridge over Marais des Cygnes River on Route B
Open to traffic

Marbury Creek Tributary Bridge (Barrow County, Georgia)
Built c. 1920, bypassed early 1940s
Concrete tee beam bridge on SR 11
Intact but closed to all traffic

Marengo Street Bridge (Lucas County, Ohio)
Built 1915; rehabilitated 1973
Steel Arch bridge over Delaware Creek on Marengo Street in Toledo
closed to all traffic due to deteriorating condition

Marias River Bridge (Liberty County, Montana)
Built 1951; rehabilitated 1987
Suspension bridge over Marias River on CR 038
Open to traffic

Marietta Pike Overpass (Lancaster County, Pennsylvania)
Built 1896; rehabilitated 1960
Pony truss bridge over Amtrak on PA 772 in Mount Joy
Open to traffic

Marion Street Bridge (Middlesex County, Massachusetts)
Built 1896; rehabilitated 2003
Pony truss bridge over CSX Railroad/MBTA on Marion Street in Natick
Intact but closed to all traffic

Market Street Bridge (W) (Bexar County, Texas)
Built 1927
Bridge over San Antonio River on West Market Street
Open to traffic

Market Street Indiana 25 Bridge (Cass County, Indiana)
Built ca. 1930; rehabilitated 1986. Replaced earlier Through Truss bridge at this location that had Logansport Street Railways trackage as well crossing in the middle of lanes.
Four-span concrete arch bridge over Eel River on IN 25 in Logansport
Open to traffic

Markley and Elm Streets Bridge (Montgomery County, Pennsylvania)
Built 1878
Stone arch bridge over Stoney Creek at corner of Elm & Markley Streets in Norristown
Open to traffic

Marlowe Creek Bridge (Worth County, Missouri)
Built 1885, Relocated Here in 1898; converted to vehicular use ca. 1981; rehabilitated 1996
Pratt Through truss bridge over Marlowe Creek on CR 287
Open to traffic single lane only

Marsh Road Bridge (Crawford County, Pennsylvania)
Built 1890 by Penn Bridge Co.
Pony truss bridge over Conneaut Outlet on TR 574
Open to traffic

Marsh Street Bridge (San Luis Obispo County, California)
Built 1909
Concrete tee beam bridge over San Luis Obispo Creek on Marsh Street
Open to traffic

Martindale Bridge (Greene County, Indiana)
Built 1905
Pony truss bridge over Four Mile Creek on CR 600 West
Open to traffic

Marvis Chapman Road Bridge (Macon County, Georgia)
Built 1918
Concrete arch bridge over Whitewater Creek on Marvis Chapman Road in Ideal
Open to traffic

Mary Street Bridge (Bristol, Virginia)
Built 1918
Concrete rigid frame bridge over Norfolk Southern Railway on Mary Street
Open to traffic

Masemore Road Bridge (Baltimore County, Maryland)
Built 1898; rehabilitated 2000
Through truss bridge over Gunpowder Falls on Masemore Road
Open to traffic

Mathews Bridge (Duval County, Florida)
Built 1953
Cantilever Through truss bridge over St. Johns River on FL 10A in Jacksonville
Open to traffic

Mattole Road Bridge (Humboldt County, California)
Built 1935
Concrete arch bridge over Mattole River on Mattole Road
Open to traffic

Maumee Road Bridge (Jackson County, Indiana)
Built ca. 1920; Replaced
Pony truss bridge over Combs Branch on Maumee Road
Replaced by a new bridge

Max L. Wilder Memorial Bridge (Sagadahoc County, Maine)
Built 1950; rehabilitated 1985
Through truss bridge over Sasonoa River on Arrowsic Road (ME 127) in Arrowsic
Open to traffic

Maybert Road Bridge (Nevada County, California)
Built 1915; replaced 2017
Pratt Pony truss bridge over Canyon Creek on Maybert Road
Replaced by a new bridge

Mayo Bridge (Richmond, Virginia)
Built 1913
Concrete arch bridge over James River on 14th Street in Richmond
Open to traffic

MBTA - Hyde Park Avenue Overpass (Suffolk County, Massachusetts)
Built 1898
Stone arch bridge over Hyde Park Avenue on MBTA Fairmount Line
Open to railway traffic, and to vehicle and pedestrian traffic below

MBTA - Upper Shawsheen River Bridge (Essex County, Massachusetts)
Built 1847, reconstructed with steel superstructure 2013
Stone arch bridge over Shawsheen River on Massachusetts Bay Transportation Authority
Open to traffic

McArdle Viaduct No. 1 (Allegheny County, Pennsylvania)
Built 1933; rehabilitated 1960
Through truss bridge over the Norfolk Southern Railroad on Mcardle Roadway in Pittsburgh
Open to traffic

McCafferty Covered Bridge 35-08-08 (Brown County, Ohio)
Built 1877; rehabilitated 1963
Covered bridge over East Fork Little Miami River on McCafferty Road (CR 105)
Open to traffic

McClellan Covered Bridge 35-15-02 (Columbiana County, Ohio)
Covered bridge over West Fork Little Beaver on McClellan Road
Open to pedestrians only

McConnell Ford Bridge (Shelby County, Indiana)
Built ca. 1920
Through truss bridge over Sugar Creek on CR 275 North
Open to traffic

McCormicks Creek Bridge (Owen County, Indiana)
Built ca. 1930; replaced 2017
Pony truss bridge over McCormicks Creek on CR 450 East
Replaced by a new bridge

McCoy Road Bridge (Putnam County, Indiana)
Built in 1923 by the Vincennes Bridge Co.
Through truss bridge over Clear Creek on CR 375 East
Open to traffic

McCullough Ford Bridge (Decatur County, Indiana)
Complted October 1885 for $1,535.83
Stone arch bridge over a branch of Fall Fork Clifty Creek on CR 600 West
Open to traffic

Mcdonough Boulevard Bridge (Fulton County, Georgia)
Built 1924
Concrete tee beam bridge over Norfolk Southern Railroad on Mcdonough Blvd.
Open to traffic

McGrath Highway Bridge (Middlesex County, Massachusetts)
Built 1926 (NBI says 1908); rehabilitated 1983
Through truss bridge over MBTA/BMRR on MA 28 (McGrath Highway) in Somerville
Open to traffic

Mchargue Ditch CR 150S Bridge (Jackson County, Indiana)
Built ca. 1920; rehabilitated 1997
Pony truss bridge over Mchargue Ditch on County Road 100 South
Open to traffic

McIndoe Falls Bridge (Grafton County, New Hampshire)
Built 1930 by the American Bridge Co.; Rehabilitated 2006
Through truss bridge over Connecticut River on Monroe Road in Monroe
Open to traffic

McKay Bridge (Shelby County, Indiana)
Built ca. 1915
Concrete arch bridge over Conns Creek on CR 300 South
Open to traffic

McKinley Bridge (St. Louis, Missouri)
Built 1910, closed to traffic in October 2001, reopened in 2007
Through truss bridge over the Mississippi River at St. Louis
Open to traffic

McKinley Run Bridge (Beaver County, Pennsylvania)
Built 1904
Brick arch bridge over McKinley Run on Harmony Avenue
Unknown status

Mclean Station Road Bridge in Marlborough Township, PA (Montgomery County, Pennsylvania)
Built ca. 1890; rehabilitated 1961
Pony truss bridge over Macoby Creek on Mclean Station Road in MarlboroughTownhip, Pennsylvania
Open only to golf carts and pedestrians

McMillan Street Bridge (Hamilton County, Ohio)
Built 1937
Steel rigid frame bridge over US 42 on Mcmillan Street
Open to traffic

McPherson's Ford Bridge (Alleghany County, Virginia)
Built 1896; Rehabilitated in 1948, bypassed and preserved 2013
Through truss bridge over Cowpasture River on Route 633 (McKinney Hollow Rd)
Open to pedestrians only

MD222 Octoraro Creek Bridge (Cecil County, Maryland)
build date unknown, rehabilitated in 1930
Steel stringer bridge over Octoraro Creek on Md 222
Open to traffic

Mead Avenue Bridge (Crawford County, Pennsylvania)
Built 1871; additional trusses added 1912
Two-span Whipple through truss bridge over French Creek on Mead Avenue in Meadville
In storage or disassembled

Meadow River Bridge (Greenbrier County, West Virginia)
Built 1911
Lost concrete arch bridge over Meadow River on CR 2
Replaced by a new bridge

Meadowbrook Bridge (King County, Washington)
Built 1921, rehabilitated 2005
Parker through truss bridge over Snoqualmie River on 394 Place SE/Meadowbrook Way SE
Open to traffic

Meadowview Drive Bridge (York County, Pennsylvania)
Built 1890. Possibly Rehabilitated/Moved 1930.
Pratt pony truss bridge over North Branch Bermudian Creek on PA 4038 (Meadowview Drive)
Open to traffic

Mechanicsville Covered Bridge 35-04-18 (Ashtabula County, Ohio)
Built 1867; rehabilitated 2003
Covered bridge over Grand River on Windsor-Mechanicsville Road
Open to traffic

Melbrook Bridge (Shelby County, Indiana)
Pony truss bridge over a Branch of Big Blue River on Edinburgh Road
Replaced by a new bridge

Memorial Bridge (Knox County, Indiana)
Finished October 15, 1932 for $258,981.34; rehabilitated 1992
Open-spandrel arch bridge over Wabash River on Business US 50 at Vincennes
Open to traffic

Memorial Bridge (Kennebec County, Maine)
Built 1949; rehabilitated 1984
Deck truss bridge over Kennebec River on ME 100/US 201/US 202 in Augusta
Open to traffic

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 (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 Drive Pedestrian Bridge (Harris County, Texas)
Built 1955
Girder bridge over Memorial Drive on Pedestrian crossing
Open to pedestrians only

Mendenhall Bridge (Wayne County, Indiana)
Built 1912
Concrete arch bridge over Martindale Creek on Mendenhall Road
Removed and replaced

Menefee Ford Bridge (Ralls County, Missouri)
Built 1911 by Stupp Brothers
Pony truss bridge over Lick Creek on Indiana Lane south of Perry
Open to traffic

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

Mercer Pike Bridge (Crawford County, Pennsylvania)
Built 1888; rehabilitated 1938/1944
Through truss bridge over Conneaut Outlet on PA 2003
Replaced by a new bridge

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 Road Bridge (Carroll County, Indiana)
Built 1932 as a State Highway Bridge - relocated in 1968 to current location. Restored in 2008.
Warren pony truss bridge over Deer Creek on Meridian Road
Open to traffic

Meridian Road Bridge (Pike County, Indiana)
Built ca. 1920, replaced in 2009
Lost Camelback through truss bridge over Patoka River on Meridian Road
Replaced by new bridge

Meridian Street Bridge (Pierce County, Washington)
Built 1925; rehabilitated 1951
Through truss bridge over Puyallup River on WA 167 in Puyallup
In storage

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

Metz Road Bridge (Montgomery County, Pennsylvania)
Built 1896; rehabilitated 1960 Removed in 2007
Lost Pony truss bridge over Towamencin Creek on Metz Road in Towamencin Township.
Replaced by a new bridge

Michigan Avenue Bridge (Erie County, New York)
Built 1960, rehabilitated in 1970s and 1996
Vertical lift bridge over Buffalo River on Michigan Avenue in Buffalo
Open to traffic

Michigan Road Bridge (Shelby County, Indiana)
Built ca. 1940
Concrete arch bridge over Conns Creek on Michigan Road
Open to traffic

Mickey Bridge (Somerset County, Pennsylvania)
Built 1912
Concrete arch bridge over Fall Creek on TR 338 (Fall Creek Road)
Open to traffic

Mid Fork Zumbro River Bridge (Olmsted County, Minnesota)
Built 1876 Replaced 1918
Truss bridge over Mid Fork Zumbro River on CR 18 in Oronoco
Closed

Middle Bar Bridge (Calaveras County, California)
Built 1912
Pratt through truss bridge over Mokelumne River on Middle Bar Road
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 IN 75 Bridge (Carroll County, Indiana)
Built 1942
Concrete arch bridge over Middle Fork Wildcat Creek on IN 75
Open to traffic

Middle Fork Lewis Creek CR 25E Bridge (Shelby County, Indiana)
Built 1927
Concrete deck girder bridge over Middle Fork Lewis Creek on Road 25 East
Open to traffic

Middle Fork Sugar Creek TR 655 Bridge (Holmes County, Ohio)
Pony truss bridge over Middle Fork Sugar Creek on TR 655
Open to traffic

Middle Fork Wildcat Creek CR 500W Bridge (Carroll County, Indiana)
Built 1916
Two-span concrete arch bridge over Middle Fork Wildcat Creek on CR 500 West
Replaced by a modern bridge in 2004

Middle Fork-South Boston Road Bridge (Washington County, Indiana)
Built ca. 1930
Lost pony truss bridge over Middle Fork Blue River on Canton-South Boston Road
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 Road Covered Bridge 35-04-06 (Ashtabula County, Ohio)
Built 1868; rehabilitated 1984
Covered bridge over Conneaut Creek on Middle Road in Conneaut
Open to traffic

Midland Fredericktown Road Bridge (Columbiana County, Ohio)
Built 1893 by the Penn Bridge Co.; rehabilitated 2004
Through truss bridge over North Fork Little Beaver Creek on Midland Fredericktown Road (TR 1038) in Calcutta
Open to traffic

Midland Valley - Poteau River Bridge (Le Flore County, Oklahoma)
Built 1903
Abandoned bridge. Originally carried Midland Valley Railroad, later county road over Poteau River, now abandoned. Wood deck remains on 1/2 of the bridge, then a gate and no deck beyond. Very large trestle approach (unphotographed) on East side.
Abandoned

Milford Road Overpass (Hunterdon County, New Jersey)
Built 1891, altered 1917; rehabilitated 1933-4
Wrought iron Howe pony truss bridge over Lehigh Valley Mainline on Milford Road in Bloomsbury
Open to traffic

Milk River Bridge (Blaine County, Montana)
Built 1930
Through truss bridge over Milk River on CR 300
Open to traffic

Milk River Bridge (Blaine County, Montana)
Built 1910
Through truss bridge over Milk River on CR 308
Open to traffic

Mill Creek Bridge (Crawford County, Indiana)
Built 1885; rehabilitated 2000
Through truss bridge over Mill Creek on CR 220 East
Open to traffic

Mill Creek Bridge (Cape May County, New Jersey)
Built 1901
Pony truss bridge over Mill Creek on CR 632
Closed to all traffic

Mill Creek Bridge (Venango County, Pennsylvania)
Built ca. 1885 by the Smith Bridge Co.
Pony truss bridge over Mill Creek on TR 522 (Dotter Road)
Open to traffic

Mill Creek Bridge (Putnam County, Indiana)
Built 1925; rehabilitated 1985
Pony truss bridge over Mill Creek on CR 450 South
Open to traffic

Mill Creek Bridge (Meriwether County, Georgia)
Built 1922; bypassed 1960
Concrete tee beam bridge over Mill Creek on Loop Circle (Old US 27/SR 41/Roosevelt Highway)
Open to traffic

Mill Creek Bridge/Canfield Road Bridge (Mahoning County, Ohio)
Built 1920 by N.R. Porterfield Inc.; rehabilitated 1990
Open-spandrel arch bridge over Mill Creek on US 62/OH 625 (Canfield Road) in Youngstown
Open to traffic

Mill Creek Swinging Bridge (Miller County, Missouri)
Built ca. 1925 by Joseph Dice; rehabilitated 1978
Suspension bridge over Mill Creek on Lake Road 42-18 (Swinging Bridges Road) near Brumley
Open to one-lane traffic

Mill Grove Bridge (Owen County, Indiana)
Through truss built in 1897 by the Massillon Bridge Company, pony truss added ca.1910 by the Rochester Bridge Company. Rehabilitated 2005
Through truss bridge over Mill Creek on CR 100 East (Tower Road)
Open to traffic

Mill Grove Road Bridge (Stephenson County, Illinois)
Built 1931
Pony truss bridge over Yellow Creek on S. Mill Grove Road, 3 mi. southeast of Pearl City
Open to traffic

Mill Mountain Road Bridge (Luzerne County, Pennsylvania)
Built 1883 by the Penn Bridge Co.; rehabilitated 2011
Pony truss bridge over Nescopeck Creek on Mill Mountain Road (TR 356)
Intact but closed to all traffic

Mill Road Bridge (Hunterdon County, New Jersey)
Built 1900; rehabilitated 2005
Pony truss bridge over Rockaway Creek on Mill Road
Open to traffic

Mill Road Bridge (Bucks County, Pennsylvania)
Built 1888
Through truss bridge over Neshaminy Creek on Mill Road North of Jamison, PA
Currently closed to traffic

Mill Road Bridge (Chester County, Pennsylvania)
Built 1912
Stone arch bridge over Valley Creek on Mill Road
Open to traffic