There are 14,183 bridges in this category · Only showing 6,149 bridges with photos
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Structurally deficient

From: 2015 "Status of the Nation’s Highways, Bridges, and Transit: Conditions and Performance" report to Congress

Bridges are considered “structurally deficient” if (1) significant load-carrying elements are found to be in poor or worse-than-poor condition due to deterioration or damage, or (2) the adequacy of the waterway opening the bridge provides is determined to be insufficient to the point of causing intolerable traffic interruptions due to high water. That a bridge is structurally deficient does not mean it is unsafe.


Manette Bridge (Kitsap County, Washington)
Built 1930; rehabilitated 1949; demolished 2011
Lost through truss bridge over Port Washington Narrows on WA 303 in Bremerton
Lost to history

Manito Road Bridge (Tazewell County, Illinois)
Built 1941; new concrete deck for truss span in 1981; new concrete deck for approach spans in 1995
Lost through truss bridge over Mackinaw River on CH 16 SW of Pekin
Replaced by a new bridge

Manor Kill Creek Bridge (Schoharie County, New York)
Built ca. 1930; rehabilitated 1975; replaced 2003
Lost through truss bridge over Manor Kill Creek on CR 39
No longer exists

Mansfield Bridge (Allegheny County, Pennsylvania)
Built 1951; rehabilitated 1981
Cantilevered through truss bridge over the Monongahela River in Dravosburg
Open to traffic

Mansfield Covered Bridge 14-61-20 (Parke County, Indiana)
Built 1867, rehabilitated 1990
Covered bridge over Big Raccoon Creek on CR620S
Open to traffic

Mansfield Viaduct (Wright County, Missouri)
Built 1930
Concrete tee beam bridge over BNSF Railway and South Street on Route U (Old MO 5) in Mansfield
Open to traffic

Manson Road Bridge (Caldwell County, Missouri)
Built ca. 1930
Pony truss bridge over Shoal Creek on N.E. Manson Road
Open to traffic

Manthey Road Bridge (San Joaquin County, California)
Built 1926
Parker through truss bridge over San Joaquin River on Manthey Road in Lathrop
Open to traffic

Manville Bridge (Providence County, Rhode Island)
Built In 1954 Rehabilitated 3 to 4 times since 2013.
Modern deck truss bridge over Blackstone River on Manville Hill Road
Open to traffic With 10 Ton Weight Limit

Maple Creek Bridge (Washington County, Pennsylvania)
Built 1912
Concrete arch bridge over Maple Creek on PA 88 in Charleroi
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 Mill Bridge (Washington County, Iowa)
Built 1896
Lost through truss bridge over English River on Fir Avenue
Destroyed by flooding as of 3/10/2016

Marais Ditch Route B Bridge (Bates County, Missouri)
Built 1934; rehabilitated to repair flood damage in 1952
Pony truss bridge over Marais des Cygnes River Drainage Ditch on Route B
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

Marble Branch Bridge (Switzerland County, Indiana)
Built in 1897 by the Brackett Bridge Company; replaced 1999
Lost pony truss bridge over Marble Branch of Grants Creek on Grants Creek Road
Replaced by new bridge

Marco Bridge (Greene County, Indiana)
Built ca. 1930; rehabilitated 1973; replaced 1994
Lost through truss bridge over Black Creek on IN 67
Replaced by new bridge

Marengo Bridge (Calhoun County, Michigan)
Built 1925
Camelback through girder bridge over Kalamazoo River on 23 Mile Road
Replaced by a new bridge

Marengo Iowa River Bridge (Iowa County, Iowa)
Built 1950
Steel stringer bridge over Iowa River on Vo66/Eastern Ave
Open to traffic

Marengo-Soto Street Viaduct (Los Angeles County, California)
Built 1936; Replaced 1972
Beam bridge over I10,Conn,Rmp,Buswy,Metro on Soto-Marengo Street in Los Angeles
Open to traffic

Maria Creek Bridge (Sullivan County, Indiana)
Built 1920; replaced 1991
Lost Bedstead truss bridge over Maria Creek on Rd 1050 S
Replaced by new bridge

Mariah Creek Bridge (Knox County, Indiana)
Built ca. 1930; rehabilitated 1984
Pony truss bridge over Mariah Creek on CR 1050 North
Open to traffic

Marion Boulevard Bridge (Linn County, Iowa)
Built 1947; Rehabilitated 1965; Replaced 1994
Concrete tee beam bridge over Indian Creek on Marion Boulevard/7th Avenue
Replaced by a new bridge

Marion County Road 167 Bridge (Marion County, Missouri)
Built 1926
Pony truss bridge over a branch of South Fabius River on CR 167
Open to traffic

Marion Street Bridge (Marion County, Oregon)
Built 1953; rehabilitated 1984
Deck plate girder bridge over Willamette River on OR 22 Westbound in Salem
Open to traffic

Marion Street Bridge (Delaware County, Iowa)
Concrete deck girder bridge over Maquoketa River on Marion Street in Manchester
Open to traffic

Mark Road Bridge (Fayette County, Ohio)
Built 1883 by the Wrought Iron Bridge Co.; reconstructed 2007
Through truss bridge over Sugar Creek on Mark Road
Open to traffic

Mark Twain Bridge (Marion County, Missouri)
Opened Sept. 4, 1936; tolls removed Oct. 30, 1940; rehabilitated 1982; replaced and demolished 2000
Lost through truss bridge over the Mississippi River on US 36 at Hannibal
Replaced by a new bridge to carry I-72

Market Street Bridge (Philadelphia County, Pennsylvania)
Built 1932
Arch bridge over Schuylkill River on 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

Markland Bridge (Switzerland County, Indiana)
Built 1882
Through truss bridge over Log Lick Creek on Dead End Road
Demolished in an apparent act of stupidity.

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

Maroon Creek Bridge (Pitkin County, Colorado)
Built 1888; converted to vehicular use ca. 1929. Bypassed in 2005.
Trestle over Maroon Creek on CO 82 at Aspen
Bypassed by a replacement bridge and left in place for pedstrian use.

Marquand Bridge (Madison County, Missouri)
Old bridge built 1924 at a cost of about $4,000, raised by the community. Replaced 1993.
Lost through truss bridge over Castor River on Route A at Marquand
Replaced by concrete span; portion of old bridge now rests in Marquand City Park

Marsh Arch Bridge (Kossuth County, Iowa)
Built 1916 by the Marsh Engineering Co.
Pony arch bridge over East Fork Des Moines River on CR P14
Open to traffic

Marsh Creek Bridge (Adams County, Pennsylvania)
Built 1920
Open-spandrel arch bridge over Marsh Creek on Business US 15 (PA 3001)
Demolished, being replaced

Marsh Creek Bridge (Centre County, Pennsylvania)
Built ca. 1900
Pony truss bridge over Marsh Creek on TR 471 in Blanchard
Closed to all traffic

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

Marshall Bridge (Spokane County, Washington)
Built 1949
Concrete tee beam bridge over Marshall Creek, Fish Lake Trail, and railroads on Cheney-Spokane Road
Open to traffic

Marshyhope Creek Bridge (Caroline County, Maryland)
Built 1910; rehabilitated 1936
Concrete arch bridge over Marshyhope Creek on MD 315
Open to traffic

Marston Avenue Overpass (Kennebec County, Maine)
Built 1928
Girder bridge over Maine Central Railroad on Marston Avenue, Waterville
Open to traffic

Martha Bridge (Cabell County, West Virginia)
Built 1882; replaced 2005
Lost through truss bridge over Guyandotte River on CR 31/6
Replaced by a new bridge

Martin Creek Bridge (Jackson County, Tennessee)
Built 1939
Lost Through truss bridge over Martin Creek on Fas 53
Replaced by a new bridge

Martin Creek Bridge (Allen County, Kansas)
Built 1930
Steel stringer bridge over Martin Creek on Wyoming Rd 5.4-A.0
Open to traffic

Martin Luther King Jr. Blvd Viaduct (Multnomah County, Oregon)
Built 1937, Replaced 2008-2009
Stringer bridge over UPRR & Division Street on Oregon 99E in Portland
Replaced by a new bridge

Martin Vill Road Bridge (Henry County, Missouri)
Built 1927; rehabilitated 1965
Pony truss bridge over South Grand River on Martin Vill Road
Closed to all traffic

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

Martintown Road Bridge (Union County, Mississippi)
Built 1968
Pony truss bridge over Tallahatchie River on CR 86 (Martintown Road) in New Albany
Open to traffic

Marwin Drive Bridge (Marshall County, West Virginia)
Built 1960
Lost Deck girder bridge over Big Wheeling Creek on CR 5 (Marwin Drive)
Replaced by a new bridge

Mary Jo Road Bridge (Lincoln County, Missouri)
Bridge over Lead Creek on Mary Jo Road Bridge
Open to traffic

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

Maryland Street Bridge (Pike County, Missouri)
Built ca. 1920
Pony truss bridge over Town Branch on Maryland Street in Louisiana
Open to one-lane traffic with an 8 ton weight limit

Mason Bridge (Texas County, Missouri)
Built 1926 by the Concrete & Steel Construction Co.
Lost through truss bridge over Big Piney River on Mason Road (Old MO 32) west of Licking
Removed after being closed for some time

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

Mattaponi River Bridge (King and Queen County, Virginia)
Built 1945; Replaced 2006
Lost swing bridge over Mattaponi River on VA 33 in West Point
Replaced by new bridge

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

Maxville Bridge (Randolph County, Indiana)
Built 1886; replaced 1996
Lost Whipple through truss bridge over White River on CR 675 W
Replaced by new bridge

Maxwell Bridge (Montgomery County, Indiana)
Built 1913; replaced 2000
Lost through truss bridge over Sugar Creek on CR 425 E
Replaced by new bridge

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

Mayowood Bridge (Olmsted County, Minnesota)
Built 1934; Closed Dec. 26th, 2006 - Awaiting funding for rehabilitation since 2007
Steel stringer bridge over S Fork Zumbro R (Dam) on CR 125
Replaced by a new bridge

McAdoo Creek-Spring Switch Rd. Bridge (Posey County, Indiana)
Pony truss bridge over McAdoo Creek on Spring Switch Road (CR 100S)
Removed but not replaced

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

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

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

McClintock Bridge (Venango County, Pennsylvania)
Built 1930; rehabilitated 1978
Through truss bridge over Oil Creek on PA 8 in Hasson Heights
Replaced by a new bridge

McCloud Run Bridge (Linn County, Iowa)
Replaced 2017
Lost steel stringer bridge over McCloud Run on McCloud Place NE
Replaced by a new bridge

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

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

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

McCormicks Creek Bridge (Owen County, Indiana)
Built ca. 1920; replaced 1999
Lost pony truss bridge over McCormicks Creek on CR 350 East
Replaced by new bridge

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 Bridge (Macon County, North Carolina)
Built ca. 1915, truss span possibly relocated here in the 1940s and rehabilitated in 1960.
Through truss bridge over Little Tennessee River on NC 1456
Open to traffic

McDaniel Lake Bridge (Greene County, Missouri)
Built 1929
Concrete bridge over McDaniel Lake on Farm Road 76
Closed to vehicle traffic after failing an inspection Dec. 15, 2010

McFadden Creek, Branch-Breeze Rd. Bridge (Posey County, Indiana)
Built 1905; replaced 1993
Lost pony truss bridge over a branch of McFadden Creek on Breeze Road
Replaced by a new bridge

McFadden Creek, Branch-Leonard Rd. Bridge (Posey County, Indiana)
Lost pony truss bridge over a branch of McFadden Creek on Leonard Road
Replaced by new bridge

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

McGary Grade Road Bridge (Nez Perce County, Idaho)
Built 1935; rehabilitated 1970
Lost Polygonal Warren pony truss bridge over Potlatch River on McGary Grade Road
Replaced by a new bridge

McGill Creek CR 627 Bridge (Carroll County, Missouri)
Built 1904 by the Interstate Bridge Co.
Pony truss bridge over McGill Creek on CR 627
Open to traffic

McIlvane Road I-70 Overpass (Washington County, Pennsylvania)
Built 1956; replaced 2010
Lost Beam bridge over I-70 on McIlvane Road (TR 818)
Replaced by a new bridge

McKee Creek Bridge (Pike County, Illinois)
Built ca. 1920; rehabilitated 1930
Pony truss bridge over McKee Creek on TR 47, 1.25 mi. east of Perry
Bypassed but left in place

McKinley Lake Bridge (Union County, Iowa)
Built 1940
Concrete deck girder bridge over Mckinley Lake on Adams Street
Demolished

McLaughlin Run Road Bridge (Allegheny County, Pennsylvania)
Built 1905 by the King Bridge Co.
Lost through girder bridge over McLaughlin Run on McLaughlin Run Road
Replaced by a new bridge

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

McMullin CR660 Overpass (Smyth County, Virginia)
Bridge made in 1915 by Virginia Bridge & Iron Co.; closed in 2014
Deck plate girder bridge over N&S tracks on Railroad Drive (County Road 660)
Intact but closed to all traffic

McNeal Road Bridge (Geary County, Kansas)
Built ca. 1910
Lost pony truss bridge over West Branch, 6.0 mi. south and 12.0 mi. east of Junction City
Replaced by a new bridge

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

McQuay Ditch TR 165 Bridge (Darke County, Ohio)
Built 1900
Stone arch bridge over McQuay Ditch on TR 165
Open to traffic

Meadow Lane Bridge (Hunterdon County, New Jersey)
Built 1900; rehabilitated 1991
Pony truss bridge over North Branch Rockaway Creek on Meadow Lane
Open to traffic

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

Meadow Run Road Bridge (Fayette County, Pennsylvania)
Built 1904 by York Bridge Co.
Pony truss bridge over Meadow Run on Meadow Run Road
Open to traffic

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

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