There are 18,031 bridges in this category · Only showing 7,772 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.


Martin Luther King Bridge (St. Louis, Missouri)
Built 1951; rehabilitated 1987. Lanes reconfigured October 2009.
Cantilevered through truss over the Mississippi River in downtown St. Louis
Open to 2 eastbound lanes and 1 westbound lane.

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 Luther King, Jr. East Busway Bridge over Dahlem Street (Allegheny County, Pennsylvania)
Built 1904; rehabilitated 1978
Closed-spandrel arch bridge over Dahlem Street/E. Liberty Blvd. on Martin Luther King, Jr., East Busway
Open to traffic

Martin Road Bridge (Fond du Lac County, Wisconsin)
Built 1910: replaced 2007 (?)
Lost pony truss bridge over Union Pacific Railroad on Martin Road
Replaced by new bridge

Martin Road Bridge (Shiawassee County, Michigan)
Built 1885 by the Mt. Vernon Bridge Co.
Through truss bridge over Shiawassee River on Martin Road
Closed to all traffic

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

Masontown Bridge (Fayette County, Pennsylvania)
Built 1925; rehabilitated 1993
Lost through truss bridge over the Monogahela River on PA 21 in Masontown
Replaced by a new bridge

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

Massey Creek 231st Street Bridge (Cass County, Missouri)
Built ca. 1910
Pony truss bridge over a branch of Massey Creek on 231st Street
Replaced by a new bridge

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 (Marion County, Missouri)
Built 1898 by the Kansas City Bridge Co.
Through truss bridge over North River on CR 189
Replaced by a new bridge

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

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

Maucks Pond IN 64 Bridge (Gibson County, Indiana)
Built 1931; rehabilitated 1979
Through truss bridge over Maucks Pond on IN 64
Replaced by a 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

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

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

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

McCann Road Bridge (Humboldt County, California)
Built 1965
Slab bridge over Eel River on Mccann Road
Open to traffic

McCarty Creek CR 657 Bridge (Vernon County, Missouri)
Built ca. 1895 by the Missouri Valley Bridge & Iron Works
Pony truss bridge over McCarty Creek on CR 657 (Tyree Road)
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 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

McClun Road Bridge (Linn County, Oregon)
Built 1967
Warren pony truss bridge over Calapooia River on McClun Road
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

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

McConnelsville Bridge (Morgan County, Ohio)
Built 1913 by the Oregonia Bridge Co. of Lebanon, Oh.; rehabilitated 1991
Through truss bridge over Muskingum River on County Road 203 in McConnelsville
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

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

McCraney Creek Bridge (Adams County, Illinois)
Built 1916
Through truss bridge over McCraney Creek on TR 350A
Open to traffic

McCutcheon Road Bridge (Jefferson County, Pennsylvania)
Built 1905; rehabilitated 1995; replaced 2009
Lost pony truss bridge over Mill Creek on McCutcheon Road
Replaced by a new bridge

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

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

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, 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-Bluff Rd. Bridge (Posey County, Indiana)
Built 1895; removed 1997
Lost through truss bridge over McFadden Creek on Bluff Road
Only the substructure remains

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 Ditch Bridge (Gibson County, Indiana)
Built 1910; removed 1999
Lost pony truss bridge over McGary Ditch on CR 400W
Removed but not replaced

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

McGhee Street over NS Railway Bridge (Bedford County, Virginia)
Built 1907
Girder bridge over NS Railway on McGhee Street
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

McKeown Bridge (Muscatine County, Iowa)
Built 1951
Haunched steel stringer bridge over Cedar River on Former alignment of 231st Street
Intact but closed to vehicular traffic.

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

McKinney Creek Bridge (Polk County, Arkansas)
Built 1915
Pony truss bridge over McKinney Creek on CR 50
Closed to all traffic

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 Branch MO 79 Bridge (Lincoln County, Missouri)
Built 1938
Through truss bridge over McLean Branch on MO 79 at Winfield
Open to traffic

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

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

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

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

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

Meander Creek CR 73 Bridge (Mahoning County, Ohio)
Built 1925
Closed-spandrel arch bridge over Meander Creek on CR 73 (AA Gault Road)
Open to traffic

Measel Road Bridge (Morgan County, Indiana)
Built 1925
Pony truss bridge over Lake Ditch on Measel Road
Open to traffic

Mebane Bridge (Rockingham County, North Carolina)
Built 1924-25 by the Luten Bridge Co.
Open-spandrel arch bridge over Dan River on Mebane Bridge Road
Closed to all traffic

Mebane Oaks Road Haw Creek Bridge (Alamance County, North Carolina)
Built 1941
Steel stringer bridge over Haw Creek on SR 1007 (Mebane Oaks Road)
Open to traffic

Medford Avenue Bridge (Harrison County, Iowa)
Built 1900
Pennsylvania through truss bridge over Willow River on Medford Avenue
Open to traffic

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

Medicine Bow River Bridge (Carbon County, Wyoming)
Built 1914; rehabilitated 1972
Through truss bridge over Medicine Bow River on CN6-121
Open to traffic

Medicine Creek Bridge (Osborne County, Kansas)
Built 1912
Bedstead Warren pony truss bridge over Medicine Creek, 3.0 mi. south and 7.0 mi. west of Bloomington
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

Medio Creek Bridge (Bee County, Texas)
Built 1897; Rehabbed 1923 and 1947; Closed 1987
Through truss bridge over Medio Creek on CR 241
Closed to traffic

Medomak River Bridge (Lincoln County, Maine)
Built 1922
Slab bridge over Medomak River on Cross Street
Open to traffic

Mehaffey Bridge (Old) (Johnson County, Iowa)
Built 1963; replaced 2014
Lost Steel stringer bridge over Iowa River (Coralville Resevoir) on Fm Mehaffey Bridge Road
Replaced by a new bridge

Meighen Bridge (Marshall County, West Virginia)
Built 1913 by the York Bridge Co.
Through truss bridge over Fish Creek on CR 7/4 (Fish Creek 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

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