There are 18,021 bridges in this category · Only showing 7,766 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.


Main Canal Bridge (Grant County, Washington)
Built 1948; Replaced 2008
Pony truss bridge over Main Canal on F Road NE
Replaced by a new bridge

Main Ditch CR 264 Bridge (Pemiscot County, Missouri)
Built 1927; rehabilitated 1987; replaced 2011
Lost wooden stringer bridge over Main Ditch No. 8 on CR 264, northwest of Hayti
Replaced by a new bridge

Main Ditch CR 307 Bridge (Butler County, Missouri)
Built 1915; replaced August 2005
Lost pony truss bridge over Main Ditch (Pike Creek) on CR 307 (Lone Star Road) just south of Poplar Bluff in Poplar Bluff
Replaced by a new bridge

Main Ditch Old US 60 Bridge (Stoddard County, Missouri)
Built 1922, rehabilitated 1932
Pony truss bridge over a tributary of Main Ditch on MO 114 (Old US 60) east of Dexter
Replaced by a new bridge

Main Road Bridge (Delaware County, Ohio)
Built 1915, reconstructed in 1977, replaced in 1997
Lost Bridge over Olentangy River on Main Road
Replaced by a new bridge

Main Street (Route 9) Bridge (Warren County, New York)
Built 1931
Warren pony truss bridge over Schroon River on US 9 in Warrensburg
Open to traffic

Main Street Bridge (Napa County, California)
Built 1860; rehabilitated 1985
Stone arch bridge over Napa Creek on Main Street in Napa
Open to traffic

Main Street Bridge (Fairfield County, Connecticut)
Built 1888 by the Berlin Iron Bridge Co.; rehabilitated 1922
Lenticular pony truss bridge over Rippowam River on Main Street in Stamford
Open to pedestrians

Main Street Bridge (Keweenaw County, Michigan)
Built 1909 by the Joliet Bridge and Iron Co.
Pony truss bridge over Eagle River on West Main in Eagle River
Open to pedestrians

Main Street Bridge (Clay County, Missouri)
Built 1911 as an interurban bridge, converted to road after 1945
Arch bridge over Fishing River on Main Street in Mosby
Open to traffic

Main Street Bridge (Petroleum County, Montana)
Built 1940
Pony truss bridge over McDonald Creek on Main Street in Winnett
Open to traffic

Main Street Bridge (Allen County, Ohio)
Built 1925 by the Pandora Cement Block Company
Closed-spandrel arch bridge over Riley Creek on Main Street (OH 270) in Bluffton
Open to traffic

Main Street Bridge (Bucks County, Pennsylvania)
Built 1927
Pony truss bridge over railroad tracks on Main Street in Sellersville
Open to traffic

Main Street Bridge (Montgomery County, Pennsylvania)
Built 1854
Stone arch bridge over Stony Creek on Main Street at corner of W. Main St & Water Street in Norristown, PA
Open to traffic

Main Street Bridge (Rock County, Minnesota)
Built 1931, Replaced 2008
Concrete bridge over Rock River on CSAH 4
Replaced by a new bridge

Main Street Bridge (Merrimack County, New Hampshire)
Built 1942
Stone arch bridge over Suncook River on Main Street in Pittsfield
Open to traffic

Main Street Bridge (Gibson County, Indiana)
Built 1928; replaced 1993
Lost through truss bridge over Patoka River on Main Street in Patoka
Replaced by new bridge

Main Street Bridge (Coweta County, Georgia)
Built 1940
Timber stringer bridge over Norfolk Southern Railroad on Main Street
Closed to all traffic

Main Street Bridge (McDonald County, Missouri)
Built ca. 1930
Concrete slab bridge over Beaver Branch on Main Street in Anderson
Open to traffic

Main Street Bridge (Montgomery County, Pennsylvania)
Built 1880CA, Altered 1910CA,1928
Bridge over Mine Run on Main Street in Schwenksville, PA
Open to traffic

Main Street Bridge (Sullivan County, New Hampshire)
Built 1915; replaced 1996
Lost Warren deck truss bridge over Sugar River on Nh 12/Nh103
Replaced by new bridge

Main Street Bridge (Crawford County, Pennsylvania)
Built 1937; rehabilitated 1980
Pratt through truss bridge over French Creek on US 6/US 19
Open to traffic

Main Street Bridge (Redwood County, Minnesota)
Built 1918
Girder bridge over Cottonwood River on Main St (Mun 22)
Open to traffic

Main Street Bridge (Gogebic County, Michigan)
Concrete through girder bridge over Black River on Main Street
Open to traffic

Main Street Bridge (Black Hawk County, Iowa)
Built 1901, Replaced 1997
Lost Pony/through plate girder bridge over Cedar River on Lincoln Street/Main Street
Replaced by a new bridge

Main Street Bridge (Hillsborough County, New Hampshire)
Concrete rigid frame bridge over Contoocook River on Main Street
Open to traffic

Main Street Bridge (Jefferson County, Pennsylvania)
Built 1916; replaced 2011
Lost Closed-spandrel arch bridge over Big Run on US 119 (W. Main Street)
Replaced by a new bridge

Main Street Bridge #2 (Bucks County, Pennsylvania)
Built 1940; Set for replacement in 2016
Concrete tee beam bridge on Main Street
Open to traffic

Main Street Bridge #3 (Wayne County, Indiana)
Built 1917; rehabilitated 1958; replaced 2000
Lost concrete arch bridge over East Fork Whitewater River on Main Street
Replaced by new bridge

Main Street Bridge over Diversion (Redwood County, Minnesota)
Built 1917
Bridge over tributary of Cottonwood River on Main St (Mun 22)
Open to traffic

Main Street over Lincon Highway Bridge (Somerset County, Pennsylvania)
Built 1938
Concrete rigid frame bridge over Lincoln Highway (US 30) on E. Main Street (PA 281)
Open to traffic

Main Street Overpass (Cumberland County, Maine)
Built 1948; rehabilitated 1996
Concrete tee beam bridge over Main Street (Route 115) on US 1
Open to traffic

Main Street Overpass (Marion County, Iowa)
Built 1940
Timber stringer bridge over Railroad (UP) on Main Street
Open to traffic

Main street railroad overpass (Addison County, Vermont)
Built 1920; Demolished 2017
Concrete slab on Main street (VT30) over the Vermont railway
Demolished. Formal replacement in 2020

Main Street Road Bridge (Pettis County, Missouri)
Built 1909 (?)
Pony truss bridge over Muddy Creek on Main Street Road
Open to traffic

Main Street, E. Bridge Street Bridge (Chester County, Pennsylvania)
Built 1922
Concrete arch bridge over Schuylkill River on Main Street in Royersford and on E. Bridge Street in Spring City
The bridge reopened to pedestrian and vehicle traffic on Friday, August 26.

Major Road Bridge (Howard County, Iowa)
Built 1925
Pony truss bridge over Beaver Creek on Major Road
Closed to all traffic with the north approach removed and the entrance barricaded with a man-made mound

Major Road Bridge (Fayette County, Iowa)
Built 1912; replaced in 1998 but left in place
Warren through truss bridge over Turkey River on Major Road
Closed to all traffic

Mallaham Bridge (Putnam County, Ohio)
Built 1876 by the D.H. Morrison
Bowstring pony truss bridge over Riley Creek on Township Road M-6
Open to traffic

Mallard Creek Bridge (Walker County, Alabama)
Built 1955
Abandoned steel stringer bridge over Mallard Creek on Wyers Road
Abandoned

Malone Creek Bridge (Buchanan County, Iowa)
Built 1925
Concrete pony/through girder bridge over Malone Creek on 195th Street
Open to traffic

Man-Cal Road Bridge (Calumet County, Wisconsin)
Built 1922
Stringer bridge over East River on County Line Road, a.k.a. Man-Cal Road in Town of Brillion
Open to traffic

Manard Bayou Bridge (Muskogee County, Oklahoma)
Built ca. 1930
Pratt through truss bridge over Manard Bayou on Donkey Lane south of Fort Gibson
Bypassed by a new bridge but left in place

Manchester Covered Bridge 35-61-33 (Noble County, Ohio)
Built 1915; Repaired 1961; Restored 2005
Covered Multiple Kingpost bridge over Olive Green Creek on TR 3
Open to pedestrians only

Manchester Street Bridge (Merrimack County, New Hampshire)
Built 1933; replaced 1998
Lost Pratt through truss bridge over Merrimack River on Manchester Street
Replaced by new bridge

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

Mannsville Bridge (Johnston County, Oklahoma)
Built 1909; Lost to Flooding 2015
Lost through truss bridge over Washita River on FAS 3501
Destroyed by flood on 6-18-2015

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

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 Creek Bridge (Humboldt County, California)
Built 1929
Concrete arch bridge over Maple Creek on Butler Valley 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 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

Marais River Route V Bridge (Bates County, Missouri)
Built 1961
Pony truss bridge over Marais des Cygnes River on Route V
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 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

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

Margiotti Bridge (Jefferson County, Pennsylvania)
Built 1937; rehabilitated 1977/1984
Deck truss bridge over Mahoning Creek on PA 436 in Punxsutawney
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

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 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 Memorial Bridge (Marion County, Tennessee)
Built 1929; tolls removed 1947; rehabilitated 1966, and raised 21 feet higher when Nickajack Lake was impounded. Closed permanently January 9, 2012; Demolished 2015
Lost 2 Parker K-Hybrid Camelback through trusses, and 2 Warren through trusses with Polygonal top chords, all riveted, over Nickajack Lake (Tennessee River)
Demolished

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 (Jefferson County, Ohio)
Built 1905 by the Ohio Steel Erection Company; rehabilitated 1981 and 2011
Suspension bridge over the Ohio River on WV 2 Spur (Market Street) in Steubenville
Open to traffic

Market Street Bridge (Lamar County, Texas)
Built 1930
Pony truss bridge over Cane Creek on Market Street in Roxton
Closed to all traffic

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

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 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