There are 36,583 bridges in this category · Only showing 19,940 bridges with photos
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Open

Mascoma River B&M Railroad Bridge 135.01 (Grafton County, New Hampshire)
Pony/through plate girder bridge over Mascoma River on B&MRR/Northern Rail Trail
Open to traffic

Mascoma River B&M Railroad Bridge 135.24 (Grafton County, New Hampshire)
Deck plate girder bridge over Mascoma River on B&MRR/Northern Rail Trail
Open to traffic

Mascoma River B&M Railroad Bridge 135.35 (Grafton County, New Hampshire)
Deck plate girder bridge over Mascoma River on B&MRR/Northern Rail Trail
Derelict/abandoned

Mascoma River B&M Railroad Bridge 136.40 (Grafton County, New Hampshire)
Deck plate girder bridge over Mascoma on B&MRR/Rail to Trail
Open to traffic

Mascoma River B&M Railroad Bridge 136.84 (Grafton County, New Hampshire)
Pony/through plate girder bridge over Mascoma River on B&MRR/Northern Rail Trail
Open to traffic

Mascoma River B&M Railroad Bridge 137.03 (Grafton County, New Hampshire)
Pony/through plate girder bridge over Mascoma River on B&MRR/Northern Rail Trail
Open to traffic

Mascoma River B&M Railroad Bridge 137.16 (Grafton County, New Hampshire)
Deck plate girder bridge over Mascoma River on B&MRR/Northern Rail Trail
Open to traffic

Mascoma River B&M Railroad Bridge 137.62 (Grafton County, New Hampshire)
Pony/through plate girder bridge over Mascoma River on B&MRR/Northern Rail Trail
Open to traffic

Mascoma River US-4 Bridge (Grafton County, New Hampshire)
Built 1930. Reconstructed 1957. Currently a new bypassing bridge is being built
1930 Deck plate girder bridge over Mascoma River/ABD B&MRR on US-4
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

Mashel River Bridge (Pierce County, Washington)
Built 1984
Bridge over Mashel River on Mashel Avenue
Open to traffic

Mashel River Bridge (Pierce County, Washington)
Built 1937
Beam bridge over Mashel River on Alder Cutoff Road
Open to traffic

Mason Fork Bridge (Garrard County, Kentucky)
Built 1945
Concrete culvert bridge over Mason Fork on KY-954
Open to traffic

Mason Street Bridge (Brown County, Wisconsin)
Built 1973
Bascule bridge over Fox River on Mason Street (WI 54) in Green Bay
Open to traffic

Massac Creek Bridge (Massac County, Illinois)
Wooden bridge over Massac Creek within Fort Massac State Park in Metropolis
Open to one-lane traffic

Massac Creek Road Bridge (Massac County, Illinois)
Concrete pony/through girder bridge over Massac Creek on Massac Creek Road
Open to traffic

Massachusetts Avenue Bridge (Middlesex County, Massachusetts)
Stone arch bridge over Alewife Brook on Massachusetts Avenue
Open to traffic

Masters Creek Bridge (Bureau County, Illinois)
Built 1952
Steel stringer bridge over Masters Creek on 2200N Ave (CH12)
Open to traffic

Masters Fork Branch Bridge (Bureau County, Illinois)
Built 1940
Girder bridge over Branch of Masters Fork on CR 2600 N
Open to traffic

Masters Fork Bridge (Bureau County, Illinois)
Built 1915
Concrete pony/through girder bridge over Masters Fork on CR 2600 N 1.8 Mi SW of Van ORin
Open to traffic

Masterson Bridge (Shelby County, Missouri)
Originally built in 1898, this bridge was relocated here in September of 2013
Pratt through truss bridge on Steam Engine Tracks
Open to traffic

Matanzas River Bridge (St. Johns County, Florida)
Built 1975
Bascule bridge over Matanzas River Iww on FL 206
Open to traffic

Matawan Creek Bridge (Monmouth County, New Jersey)
Built 1922
Bridge over Matawan Creek on New Jersey Route 6 Front Street
Open to traffic

Matfield River Bridge (Plymouth County, Massachusetts)
Built 1884; rehabilitated 1978
Stone arch bridge over Matfield River on Bridge Street
Open to traffic

Mathers Bridge (Brevard County, Florida)
Built 1927; rehabilitated 2005
Swing bridge over Banana River on Banana River Drive (CR 3) in Indian Harbour Beach
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

Matilija Road Bridge (Ventura County, California)
Built 1940
Concrete arch bridge over North Fork Matilija Creek on South Matilija Road
Open to traffic

Matlacha Pass Bridge (Lee County, Florida)
Built 2013
Deck girder bridge over Matlacha Pass on Pine Island Road
Open to traffic

Matsell Bridge (Linn County, Iowa)
Built 1939
Plate girder bridge over Wapsipinicon River on Matsell Park Road
Open to traffic

Matthiessen Park Bridge (LaSalle County, Illinois)
Closed-spandrel arch bridge over Deer Creek Gorge on Park Trail
Open to traffic

Mattole Road Bridge (Humboldt County, California)
Built 1958
Deck truss bridge over Mattole River on Mattole Road
Open to traffic

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

Mauch Chunk Street Bridge (Schuylkill County, Pennsylvania)
Built 1893; rehabilitated 1997
Stone arch bridge over Little Schuylkill River on Mauch Chunk Street in Tamaqua
Open to traffic

Mauckport Bridge (Meade County, Kentucky)
Built 1967; rehabilitated 1997
Through truss bridge over the Ohio River on KY 79/IN 135
Open to traffic

Mauldin Road Bridge (Gordon County, Georgia)
Built 1956, looks to have been rebuilt recently
Steel stringer bridge over Salacoa Creek on Mauldin Road
Open to traffic

Maumee River Bridge (Lucas County, Ohio)
Built 1956; rehabilitated 1980
Bascule bridge over Maumee River on I-280 in Toledo
Open to traffic

Maumee River Bridge (Wood County, Ohio)
Built 1948; rehabilitated 1988
Through truss bridge over Maumee River on CR 64 in Waterville
Open to traffic

Maunie Railroad Bridge (White County, Illinois)
Built ca. 1929
Through truss bridge over Wabash River on Evansville Western Railroad southeast of Maunie
Open to traffic

Mauvaise Terre Creek Bridge (Scott County, Illinois)
Built 1948
Steel stringer bridge over Mauvaise Terre Creek on Ch 12
Open to traffic

MAW - Garrett Creek Bridge (Henry County, Ohio)
Deck plate girder bridge over Garrett Creek on Maumee & Western Railroad
Open to traffic

MAW - Maumee River Bridge (Defiance County, Ohio)
Built 1893
Pratt through truss bridge over Maumee River on Maumee and Western Railroad
Open to rail traffic

MAX Blue Line - Main Street Overpass (Washington County, Oregon)
Buil 1997
Concrete through arch bridge over Main Street on MAX Light Rail Blue Line
Open to traffic

MAX Blue/Red Lines - Robertson Tunnel (Multnomah County, Oregon)
Built 1998
Tunnel under the West Hills (Tualatin Mountains) on MAX Light Rail Blue Line & Red Line
Open to traffic

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

Maxwell Boulevard Bridge (Montgomery County, Alabama)
Built 1935
Steel stringer bridge over SCL LN RR on Maxwell Blvd
Open to traffic

Maxwell Creek Bridge (Napa County, California)
Stone arch, unknown date, rehabilitated, widened, unknown date
Stone arch bridge over Maxwell Creek on Chiles Valley Road
Open to traffic

Maxwell Creek Bridge (Madison County, Arkansas)
Built 1934
Steel stringer bridge over Maxwell Creek on AR 21
Open to traffic

Maxwell Crossing Bridge (Grant Parish, Louisiana)
Built 1930 on original allignment of US 165
Concrete tee beam bridge over Unnamed creek on Maxwell Crossing / Old US 165
Open to traffic

Maxwell's Slough Bridge (Neosho County, Kansas)
Built 1924
Concrete arch bridge over a branch of Neosho River on 40-15.7 Local, 0.5 mi. west and 0.7 mi. south of St. Paul
Open to traffic

May's Covered Bridge 38-63-23 (Washington County, Pennsylvania)
Covered bridge over Branch of Middle Wheeling Creek on Waynesburg Road
Open to traffic

Mayberry Creek Blue Ridge Parkway Bridge (Patrick County, Virginia)
Built 1937
Concrete rigid frame bridge over Mayberry Creek on Blue Ridge Parkway
Open to traffic

Mayes Bridge (Mifflin County, Pennsylvania)
Stone arch bridge over Juniata River on Norfolk Southern Railroad
Open to traffic

Maynard Street Bridge (Replacement) (Lycoming County, Pennsylvania)
Stringer bridge over MAYNARD STREET
Open to traffic

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

Mayo River Norfolk Southern Railway Bridge (Rockingham County, North Carolina)
Built 1905
1905 Deck plate girder bridge over Mayo River on NSRR
Open to traffic

Mazourka Canyon Road Bridge (Inyo County, California)
Built 1919; rehabilitated 1947
Steel stringer bridge over Los Angeles Aqueduct on Mazourka Canyon Road
Open to traffic

MBNR - Alabama River Bridge (Selma) (Dallas County, Alabama)
Parker through truss bridge over Alabama River on Meridian & Bigbee Railroad
Open to traffic

MBTA - Beaver Brook Arch (Middlesex County, Massachusetts)
Built 1847
Stone arch bridge over Beaver Brook on MBTA Fitchburg Line
Open to traffic

MBTA - Beverly Draw (Essex County, Massachusetts)
Built 1886; extensively rebuilt 1985
Deck plate girder bridge over Danvers River on Massachusetts Bay Transportation Authority RR
Open to traffic

MBTA - Canton Viaduct (Norfolk County, Massachusetts)
Built 1835
Massive stone arch bridge over East Branch Neponset River and Neponset Street on the MBTA Railroad
Open to traffic

MBTA - Centre Street Overpass (Plymouth County, Massachusetts)
Built 1895
Stone arch bridge over Centre Street on MBTA Old Colony Lines
Open to traffic

MBTA - Charles River Bridge (Middlesex County, Massachusetts)
Built 1916
Closed-spandrel arch bridge over Charles River on MBTA Worcester Line
Open to traffic

MBTA - Court Street Overpass (Plymouth County, Massachusetts)
Built 1895
Stone arch bridge over Court Street on MBTA Old Colony Lines
Open to traffic

MBTA - Dudley Street Overpass (Suffolk County, Massachusetts)
Built 1908
Deck plate girder bridge over Dudley Street on MBTA Fairmount Line
Open to traffic

MBTA - Elliot Street Overpass (Plymouth County, Massachusetts)
Built 1895
Stone arch bridge over Elliot Street on MBTA Old Colony Lines
Open to traffic

MBTA - Geneva Avenue Overpass (Red Line) (Suffolk County, Massachusetts)
Built 1928
Deck plate girder bridge over Geneva Avenue on MBTA Red Line - Ashmont Branch
Open to traffic

MBTA - Gloucester Draw (Essex County, Massachusetts)
Built 1910
Deck plate girder bridge over Annisquam River on Boston & Maine
Open to traffic

MBTA - Grand Junction Bridge (Suffolk County, Massachusetts)
Built 1928
Through plate girder bridge over Charles River on MBTA
Open to traffic

MBTA - High Line Bridge (Middlesex County, Massachusetts)
Built 1927; rehabilitated 1946 & 1956
Warren through truss with sub-panels bridge over MBTA Yard Tracks on MBTA Lowell Line
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 - Lake Cochituate Bridge (Middlesex County, Massachusetts)
Built 1897, rebuilt 1919
Stone arch bridge over Lake Cochituate on MBTA Worcester Line
Open to railway traffic

MBTA - Lechmere Viaduct (Middlesex County, Massachusetts)
Built 1910
Closed-spandrel arch bridge over Charles River, Museum Way, and Charlestown Avenue on MBTA Green Line
Open to traffic

MBTA - Manchester Draw (Essex County, Massachusetts)
Built 1911
Deck plate girder bridge over Manchester Harbor on Massachusetts Bay Transportation
Open to traffic

MBTA - Mystic River Bridge (Middlesex County, Massachusetts)
Built 1835, extensively modified 1906
Closed-spandrel arch bridge over Mystic River on MBTA Lowell Line
Open to traffic

MBTA - Mystic Valley Parkway Overpass (Middlesex County, Massachusetts)
Built 1908
Closed-spandrel arch bridge over Mystic Valley Parkway/MA 16 on MBTA Lowell Line
Open to traffic

MBTA - Neponset River Bridge (Franklin Branch MP 17.82) (Norfolk County, Massachusetts)
Built 1902
Deck plate girder bridge over Neponset River on MBTA Franklin Branch (MBTA Franklin Line)
Open to railway traffic

MBTA - North Station Charles River Bridges (Middlesex County, Massachusetts)
Built 1931, two bridges removed at a later date
Baltimore through truss bridge over Charles River on MBTA North Station Leads
Open to traffic

MBTA - Pawtucket Canal Bridge (Middlesex County, Massachusetts)
Built 1928 by the Boston Bridge Works
Warren through truss bridge over Pawtucket Canal on MBTA (Nee Boston & Maine Railroad)
Open to traffic

MBTA - Plimpton Street Railroad Bridge (Norfolk County, Massachusetts)
Built 1905 by Boston Bridge Works; 1 girder (1 track) removed later on
Pony/through plate girder bridge over Plimpton Street on MBTA Franklin Branch (MBTA Franklin Line)
Open to railway traffic, and to vehicle traffic below

MBTA - Providence Highway Railroad Bridge (Norfolk County, Massachusetts)
Built 1932 to replace former bridge during highway widening
Pony/through plate girder bridge over Providence Highway (US 1) on MBTA Franklin Branch (MBTA Franklin Line)
Open to railway traffic, and to vehicle traffic below

MBTA - Route 30 Overpass (Worcester County, Massachusetts)
Built 1920
Pony/through plate girder bridge over East Main Street/Route 30 on MBTA Worcester Line
Open to traffic

MBTA - Saugus River Bridge (Essex County, Massachusetts)
Built 1911; rehabilitated 1989
Bascule plate girder bridge over Saugus River on Boston & Maine Railroad
Open to traffic

MBTA - School Street Overpass (Plymouth County, Massachusetts)
Built 1895
Stone arch bridge over School Street on MBTA Old Colony Lines
Open to traffic

MBTA - Shore Line Bridge (Suffolk County, Massachusetts)
Built 1898
Through truss bridge over Amtrak Northeast Corridor on MBTA Fairmount Line
Open to traffic

MBTA - South Street Overpass (Suffolk County, Massachusetts)
Built 1887
Stone arch bridge over South Street on MBTA Needham Line
Open to traffic

MBTA - Sudbury River Bridge (Middlesex County, Massachusetts)
Built 1928
Deck plate girder bridge over Sudbury River on MBTA Fitchburg Line
Open to traffic

MBTA - Sudbury River Bridge (MP 23.54) (Middlesex County, Massachusetts)
Built 1833, widened with concrete in 1913
Stone arch bridge over Sudbury River on MBTA Worcester Line
Open to traffic

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

MBTA - Washington Street Overpass (Middlesex County, Massachusetts)
Built 1927 by Boston Bridge Works
Steel stringer bridge over Washington Street on MBTA Lowell Line and Future Green Line Extension
Open to traffic

MBTA - Yard Track 6 Bridge (Norfolk County, Massachusetts)
Built 1906
Deck arch bridge over Yard Track 6 on MBTA Franklin Branch
Open to railway traffic above, and has not been filled.

MC - Buzzards Bay Bridge (Barnstable County, Massachusetts)
Built 1935
Through truss vertical lift bridge over Cape Cod Canal on the Mass Coastal Railroad at Buzzards Bay
Open to traffic

Mc Clellan Street Bridge (Crawford County, Pennsylvania)
Built 1959; rehabilitated 1998
Pony/through plate girder bridge over Over Conneauttee Creek on Sr 1006,Skeltown
Open to traffic

McAllister's Covered Bridge 14-61-16 (Parke County, Indiana)
Built 1914, rehabilitated 1977
Covered bridge over Little Raccoon Creek on CR400S
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

McAuley Bridge (Armstrong County, Pennsylvania)
Built 1912; rehabilitated 1973
Pony truss bridge over South Fork Pine Creek on TR 535
Open to traffic

McAvoy Lane Overpass (Chester County, Pennsylvania)
Appears to have been built to give acess to McAvoy Brick Co from Rt. 23
Bridge over Norfolk Southern (Former Reading Railroad) on McAvoy Lane leading to McAvoy Brick Co
Limited to work-crew traffic, its illegal to cross it otherwise

McBee Bridge (Knox County, Tennessee)
1931
Spectacular Concrete Open-Spandrel Through Arch (Tied Arch) bridge over Holston River on County Road 1262
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

McCaffrey Bridge (Winneshiek County, Iowa)
Built 1924
Two-span through truss bridge over Upper Iowa River on 244th Avenue, east of Bluffton
Open to one-lane traffic

McCallie Tunnels (Hamilton County, Tennessee)
Built ca. 1950, specifically to handle tourist traffic on U.S. 11 & 64
Tunnels under Missionary Ridge on U.S. 11 & 64
Open to traffic