There are 5,962 bridges in this category · Only showing 3,318 bridges with photos
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Span length 75-100 feet

Mathis Road Bridge (Harrison County, Indiana)
Pony truss bridge over Indian Creek on Mathis Road
No Longer Exists

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

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

MBTA - Charles River Bridge (Middlesex County, Massachusetts)
Built 1916
Closed-spandrel arch bridge over Charles River on MBTA Worcester 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 - 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 - Sudbury River Bridge (Middlesex County, Massachusetts)
Built 1928
Deck plate girder bridge over Sudbury River on MBTA Fitchburg Line
Open to traffic

McClaren Bridge (Washington County, Pennsylvania)
Built 1901; replaced 2000
Lost Pony truss bridge over Raccoon Creek on Kramer Road
Replaced by a new bridge

McClellan Street - US 9 Overpass (Essex County, New Jersey)
Built 1946; Reconstructed 1994
Steel stringer bridge over US 9 on McClellan Street
Open to traffic

McClure Road Bridge (Morgan County, Indiana)
Built 1925
Pony truss bridge over Lake Ditch on McClure Road
replaced by a new bridge

McClure Road Bridge (Putnam County, Indiana)
Built 1915; replaced 1997
Lost through truss bridge over Mill Creek on CR 1025 E
Replaced by new bridge

McClure Road Bridge (Darke County, Ohio)
Built 1882 by the Massillon Bridge Co.
Through truss bridge over Greenville Creek on McClure Road (TR 276)
Closed to all traffic

McClures Gap Turnpike Bridge (Cumberland County, Pennsylvania)
Built 1939
Lost Concrete rigid frame bridge over Pa Turnpike (I-76);B-532 on Lr21033,Sr4027
Lost; bridge demolished 4/22/2012

McColly Covered Bridge 35-46-01 (Logan County, Ohio)
Built 1876 by the Anderson Green Co.; Reinforced with steel 1958; Rehabilitated 2000
Three-span covered bridge over Great Miami River on CR 13
Open to traffic

McConnells Mills Bridge (Butler County, Pennsylvania)
Built 1949; replaced 2010
Lost Deck girder bridge over US 422 (Benjamin Franklin Highway) on US 19 (Perry Highway)
Replaced by a new bridge

McCormick Run Bridge (Columbiana County, Ohio)
Built 1950; rehabilitated 1988
Pony truss bridge over West Fork Little Beaver on McCormick Run (TR 781)
Open to traffic

McCourtney Road Bridge (Placer County, California)
Built ca. 1930, replaced 1998 - 2000
Lost Pony truss bridge over Doty Creek on McCourtney Road
Demolished and replaced

McCoy Creek Bridge (Mendocino County, California)
Built 1935; rehabilitated 1957
Timber stringer bridge over Mc Coy Creek on State Route 271
Open to traffic

McCracken Creek Bridge (Morgan County, Indiana)
Built ca. 1930; replaced 1994
Lost pony truss bridge over McCracken Creek on Hammer Road
Replaced by new bridge

McDaniel Branch Lancaster and Chester Railroad Bridge (Chester County, South Carolina)
Built 1923
Pony/through plate girder bridge over McDaniel Branch on LCRR
Open to traffic

McDermott Covered Bridge 29-10-06 (Sullivan County, New Hampshire)
Built 1869
Covered bridge over Cold River on Bypassed Historic in Langdon
Closed to all traffic

McDonald Bridge (Columbia County, Oregon)
Built 1914, Replaced 2004
Truss bridge over Milton Creek on Milton Way in St. Helens
Replaced by a pre-cast concrete slab bridge in 2004

McDowell Creek Bridge (Riley County, Kansas)
Built 1925
Pony truss bridge over McDowell Creek on W. 40th Avenue, 0.5 mi. south and 4.3 mi. east of Ogden
Open to traffic

McFadden Creek-Old Highway 62 Bridge (Posey County, Indiana)
Pony truss bridge over Mcfadden Creek on Old Highway 62 in Mount Vernon
Replaced by a new bridge

MCINTOSH RD 645 over SANDY CR (Lincoln County, Missouri)
Built 2005
Bridge on McIntosh Rd over Sandy Creek
Open to traffic

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

McKenzie Creek MO 49 Bridge (Wayne County, Missouri)
Built 1929
Pony truss bridge over McKenzie Creek on MO 49 south of Gads Hill
Open to traffic

McKinley Avenue Lift Bridge (Milwaukee County, Wisconsin)
Built 2004
Bridge over Milwaukee River on W Mckinley Avenue in Milwaukee
Open to traffic

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

MD436 Weems Creek Bridge (Anne Arundel County, Maryland)
Built 1997
Swing bridge over Weems Creek on MD 436 in Annapolis
Open to traffic

Mead Road Bridge (Clinton County, Michigan)
Built 1907
Through truss bridge over Maple River on Mead Road
Closed to all traffic

Meadowcroft Road Bridge (Washington County, Pennsylvania)
Built 1916
Concrete arch bridge over Cross Creek on PA 4018
Open to traffic

Meadville Bridge (Mead's Bridge) (Keya Paha County, Nebraska)
Lost Pratt through truss bridge over Niobrara River on Meadville Road
Replaced by a new bridge

Mean's Ford Bridge 38-09-P1 (Bucks County, Pennsylvania)
HAER says built 1860s; rehabilitated 1993. One of seven of this type in 2005 per HAER See also Meeting House Bridge in Maine
Boxed Howe Pony Truss bridge over Tohickon Creek on Stover Park Road in Ralph Stover State Park
Closed to all traffic except emergency vehicles, foot and pedal traffic

Mechanic Street Covered Bridge 29-04-06 (Coos County, New Hampshire)
Built 1862; Rebuilt 2006
Covered bridge over Israel River on Mechanic Street in Lancaster
Open to traffic

Medburyville Bridge (Windham County, Vermont)
Built 1896 by the Vermont Construction Company; Rehabilitated 1901; Bypassed 1985
Abandoned double-intersection Warren through truss bridge over Deerfield River
Derelict/abandoned

Medicine Bow River Bridge (Carbon County, Wyoming)
Built 1915
Through truss bridge over Medicine Bow River on CN6-3
Open to traffic

Medicine Creek Bridge (Frontier County, Nebraska)
Built 1935
Pony truss bridge over Medicine Creek on CR-735, 2.7 mi. south and 3.5 mi. east of Stockville
Open to traffic

Medicine Creek Bridge (Comanche County, Oklahoma)
Built 1906
Pony truss bridge over Medicine Creek on E1579 Rd. in Medicine Park
Open to traffic

Medicine Lodge River Bridge (Barber County, Kansas)
Built ca. 1910
Lost through truss bridge over Medicine Lodge River, 2.0 mi. north and 5.9 mi. west of Medicine Lodge
Removed but not replaced

Medicine River Bridge (Barber County, Kansas)
Built ca. 1910
Pratt through truss bridge over Medicine River, 2.0 mi. west of Medicine Lodge
Replaced by a new bridge

MEIER RD 861 over BRUSHY FK OF BOB'S (Lincoln County, Missouri)
Bridge over Brushy Fork Bob's Creek on Meier Road
Open to traffic

Melcher Covered Bridge 14-61-26 (Parke County, Indiana)
Built 1896, rehabilitated 1977 and 1995
Covered bridge over Leatherwood Creek on CR20N
Open to traffic

Memorial Drive Bridge (Racine County, Wisconsin)
Built 1936
Concrete arch bridge over Root River on Memorial Drive in Racine
Open to traffic

Memorial Park Covered Bridge 25-14-a (Callaway County, Missouri)
Built ca. 2000
Modern covered bridge over Stinson Creek on walking trail (formerly Nichols St.) in Memorial Park in Fulton
Open to pedestrians only

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

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

Mercer's Mill Covered Bridge 38-36-38 / 38-15-19 (Lancaster County, Pennsylvania)
Built 1880
Covered bridge over E Octoraro Creek on Creek Road
Open to traffic

Meridian Road Bridge (Marathon County, Wisconsin)
Built 1940
Riveted Warren pony truss bridge over Black Creek on Meridian Road
Open to traffic

Merrymeeting River Boston & Maine Railroad Bridge (Belknap County, New Hampshire)
Lost Double-intersection Warren deck truss bridge over Merrymeeting River/Letter S Rd on B&MRR
Removed but not replaced

MET - Dry Creek Bridge (Stanislaus County, California)
Deck plate girder bridge over Dry Creek on Modesto and Empire Traction Co. (MET)
Open to traffic

Metra - 63rd Street Bridge (Cook County, Illinois)
Built 1904
Pony/through plate girder bridge over 63rd Street on Metra
Open to traffic

Metropolitan Avenue Bridge (Kings County, New York)
Built 1931; rehabilitated 1976
Bascule bridge over English Kills on Metropolitan Avenue in New York
Open to traffic

Middle Caney Creek Bridge (Chautauqua County, Kansas)
Built ca. 1910
Lost Pratt through truss bridge over Middle Caney Creek on a local road, 1.0 mi. north and 1.0 mi. east of Peru
Removed but not replaced

Middle Creek Bridge (Franklin County, Kansas)
Built 1908
Pratt pony truss bridge over Middle Creek, 2.9 mi. north and 2.5 mi. east of Princeton
Long abandoned with deck removed

Middle Creek Bridge (Linn County, Kansas)
Built 1914
Concrete arch bridge over Middle Creek, 1.0 mi. east of La Cygne
Open to traffic

Middle Creek Oregon Terrace Bridge (Franklin County, Kansas)
Lost through truss bridge over Middle Creek on Oregon Terrace
no longer exists

Middle Fabius River MO 16 Bridge (Lewis County, Missouri)
Built 1930; Replaced 2017
Pony truss bridge over Middle Fabius River on MO 16
Replaced by a new bridge

Middle Fork Anderson River Canada Road (Perry County, Indiana)
Built ca. 1893; Replaced 1988
Lost Pratt through truss bridge over Middle Fork Anderson River on Canada Road, CR 164
Replaced by a new bridge

Middle Fork City Street Bridge (Monroe County, Missouri)
Built 1955
Pony truss bridge over Middle Fork Salt River on a city street in Paris
Open to 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 CR 141 Bridge (Monroe County, Missouri)
Built ca. 1920
Pony truss bridge over Flat Creek on CR 141
Open to traffic

Middle Fork CR C-45-A Bridge (Adams County, Ohio)
Built 1920 by the Rochester Bridge Company; rehabilitated 1985
Pony truss bridge over Middle Fork on Strait Creek Road (CR 45A)
Open to traffic

Middle Fork Holston River Bridge (Smyth County, Virginia)
Built 1885 by the King Iron Bridge Co.; rehabilitated 2005
Pratt through truss bridge over Middle Fork Holston River on E. Chilhowie Street
Closed to traffic pending repairs to damaged endpost caused by drunk driver.

Middle Fork Little Maquoketa River Bridge (Dubuque County, Iowa)
Built 1915
Lost through truss bridge over Middle Fork Little Maquoketa River on Boy Scout Road
No longer exists

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 Bridge (Clinton County, Indiana)
Built ca.1890's; replaced 1994
Lost through truss bridge over Middle Fork Wildcat Creek on CR 675 W at 990N-680W
Replaced by new bridge

Middle Fork Wildcat Creek SR 26 Bridge (Tippecanoe County, Indiana)
Built 1929; rehabilitated 1972; replaced 1999
Lost pony truss bridge over Middle Fork Wildcat Creek on IN 26
Replaced by new bridge

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 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 Nodaway River Bridge (Adair County, Iowa)
Built 1948
Pony truss bridge over Middle Nodaway River on 280th Street
Open to traffic

Middle Raccoon River Bridge (Carroll County, Iowa)
Built 1914
Pony truss bridge over Middle Raccoon River on 272nd Street
Open to traffic

Middle River Bridge (Adair County, Iowa)
Built ca. 1950
Pony truss bridge over Middle River on 270th Street
Open to traffic

Middle River Bridge (Adair County, Iowa)
Built 1915; rehabilitated 1930
Pony truss bridge over Middle River on Sheldon Avenue
Open to traffic

Middle River Bridge (Adair County, Iowa)
Built 1915; rehabilitated 1963
Pony truss bridge over Middle River on 180th Street
Open to traffic

Middle River Bridge (Adair County, Iowa)
Built 1968
Pony truss bridge over Middle River on 200th Street
Open to traffic

Middle River Bridge (Adair County, Iowa)
Built ca. 1950
Pony truss bridge over Middle River on Riverside Avenue
Open to traffic

Middle River Bridge (Adair County, Iowa)
Built 1921
Pony truss bridge over Middle River on Pinewood Avenue
Replaced by a new bridge

Middle River Bridge (Adair County, Iowa)
Built 1959
Pony truss bridge over Middle River on 145th Street
Open to traffic

Middle River Bridge (Adair County, Iowa)
Built 1915
Pony truss bridge over Middle River on 350th Street
Open to traffic

Middle River Bridge (Adair County, Iowa)
Built 1959
Pony truss bridge over Middle River on 110th Street
Replaced by a new bridge

Middle Road Bridge (Allegheny County, Pennsylvania)
Built 1952; rehabilitated 1985
Lost Pony/through plate girder bridge over I-76 (Pennsylvania Turnpike) on Middle Road
Replaced by a new bridge

Middle Tarkio River Bridge (Page County, Iowa)
Built 1951; rehabilitated 1983
Warren Pony truss with all verticals bridge over Middle Tarkio River on M Avenue (M Ave)
Open to traffic

Middleton Bridge (Warren County, New York)
Built 1896 by Groton Bridge Co.; rehabilitated 1969; closed 2009
Pin connected Pratt pony truss bridge over Schroon River on CR 10
Intact but closed to all traffic

Milaca Trail System - Rum River Bridge (Mille Lacs County, Minnesota)
Built 1941
Deck plate girder bridge over Rum River on City Trail
Open to pedestrians only

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

Milhon Road Bridge (Morgan County, Indiana)
Built 1925
Pony truss bridge over Mill Creek on Cooney Milhon Road
replaced by a new bridge

Military Street Bascule Bridge (New) (St. Clair County, Michigan)
Built 1991
Deck girder bridge over Black River on Military Street
Open to traffic

Mill Bridge (Faulkner County, Arkansas)
Built 1921; bypassed 1993
Lost through truss bridge over Cadron Creek on Mill Bridge Road (CR 280)
Replaced by new bridge

Mill Brook Bridge (Windsor County, Vermont)
Built 1930; rehabilitated 1943
Concrete arch bridge over Mill Brook on US 5 in Windsor
Open to traffic

Mill Creek Arch Bridge (Bourbon County, Kansas)
Built 1927; Closed to traffic 2011
Through arch bridge over Mill Creek on N. Crawford Street in Fort Scott
Closed

Mill Creek Bridge (Wabaunsee County, Kansas)
Built ca. 1935
Two-span pony truss bridge over Mill Creek on Kuenzli Creek Road, 1.5 mi. east and 0.5 mi. south of McFarland
Replaced by a new bridge

Mill Creek Bridge (Clarion County, Pennsylvania)
Built ca. 1910; Replaced 2003
Pony truss bridge over Mill Creek on Old State Rd
Replaced by a new bridge

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 (Lawrence County, Indiana)
Built 1915; replaced 1996
Lost pony truss bridge over Mill Creek on 830 South
Replaced by new bridge

Mill Creek Bridge CR 1200 S (Putnam County, Indiana)
Built ca. 1950
Pony truss bridge over Mill Creek on CR 1200 South
Open to traffic