There are 7,812 bridges in this category · Only showing 4,107 bridges with photos
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Functionally obsolete

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

Functional obsolescence in general is a function of the geometrics (e.g., broad roadway width, load carrying capacity, clearances, approach roadway alignment) of the bridge in relation to the geometrics required by current design standards. The magnitude of such deficiencies determines whether a bridge is classified as “functionally obsolete.”

Malpaso Creek Bridge (Monterey County, California)
Built 1935
Concrete arch bridge over Malpaso Creek on CA 1
Open to traffic

Mamaroneck Avenue Bridge (Westchester County, New York)
Built 1926; rehabilitated 1987
Concrete arch bridge over Mamaroneck Avenue on Hutchinson River Parkway in Harrison
Open to traffic

Mamaroneck River Bridge (Westchester County, New York)
Built 1895
Stone arch bridge over Mamaroneck River on US 1 in Mamaroneck
Open to traffic

Manasquan River Bridge (Monmouth County, New Jersey)
Built 1992
Pony truss bridge over Manasquan River on Allenwood-Lakewood Road
Open to traffic

Manchester Road Black Creek Bridge (St. Louis County, Missouri)
Built 1923 by the Missouri State Highway Department; reconstructed 1930; modified 2007 (balustrades replaced, eastbound left turn lane added and south sidewalk removed)
Closed-spandrel arch bridge over Black Creek on Manchester Road (Missouri State Highway 100) in Brentwood, at the intersection with S. Hanley Road
Open to traffic

Manhattan Bridge (New York County, New York)
Opened to traffic December 31, 1909
Suspension bridge over East River in New York City
Open to seven lanes of highway traffic and four subway tracks

Manhattan Bridge (Riley County, Kansas)
Built 1937; replaced 1996
Lost deck truss bridge over Kansas River on K-18/K-177 at Manhattan
Replaced by a new bridge

Manhattan Run Bridge (York County, Pennsylvania)
Built 1917
Stone arch bridge over Manhattan Run on PA 1019
Open to traffic

Manor Road Bridge (Travis County, Texas)
Built 1952
Concrete rigid frame bridge over I-35 Lower Level on Manor Road
Open to traffic

Mansion Road Bridge (Chester County, Pennsylvania)
Built 1904
Stone arch bridge over South Branch French Creek on Mansion Road
Open to traffic

Manton Road Bridge (Tehama County, California)
Built 1935
Pratt Pony truss bridge over Digger Creek on Manton Road in Manton
Open to traffic

Maple Creek Road Bridge (Humboldt County, California)
Built 1923
Concrete arch bridge over Boulder Creek on Maple Creek Road
Open to traffic

Maple Street Bridge (Washington County, Arkansas)
Built 1936 by Fred Luttjohann of Topeka, Kansas; Refurbished 2016
Open-spandrel arch bridge over the railroad on Maple Street in Fayetteville
Open to traffic

Maple Street Bridge (Manistee County, Michigan)
Built 1964; rehabilitated 1993
Bascule bridge over Manistee River on Maple Street in Manistee
Open to traffic

Maple Street Bridge (Spokane County, Washington)
Built 1958; rehabilitated 1994
Girder bridge over Spokane River on Maple Street
Open to traffic

Maple Street Bridge (Union County, New Jersey)
Built 1903; rehabilitated 1993
Slab bridge over Morristownline(Mp 20.18) on Maple Street
Open to traffic

Maquoketa River Bridge (Dubuque County, Iowa)
Built 1904
Through truss bridge over Maquoketa River on Bockenstedt Road
Open to traffic

Marble Creek Bridge (Shoshone County, Idaho)
Built 1968
Through truss bridge over St. Joe River on North Side Road
Open to traffic

Marble Creek Bridge (Madison County, Missouri)
Built 1953
Steel stringer bridge over Marble Creek on Route E
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 N500 NE (Knox County, Indiana)
Built 1915, Relocated after 2001
Relocated pony truss bridge over Mariah Creek on CR N500ne
Moved to Vigo County for private use

Marion Creek Bridge (Linn County, Oregon)
Built 1934, Replaced 2005
Lost Steel deck girder bridge over Marion Creek on OR 22
Replaced by new bridge

Market Street Bascule Bridge (Dorchester County, Maryland)
Built 1938
Bascule bridge over Cambridge Creek on MD 795 in Cambridge
Open to traffic

Market Street Bridge (Worcester County, Maryland)
Built 1920; rehabilitated 1981
Bascule bridge over Pocomoke River on US 13 BU in Pocomoke City
Open to traffic

Market Street Bridge (Clearfield County, Pennsylvania)
Built 1938; rehabilitated 1994
Through truss bridge over West Branch Susquehanna River on PA 1004 in Clearfield
Open to traffic

Market Street Bridge (Gasconade County, Missouri)
Built 1930
Tee beam bridge over Frene Creek on MO 19 in Hermann
Open to traffic

Market Street Bridge (Eastbound) (Harris County, Texas)
Built 1948; rehabilitated 1960
Slab bridge over Hunting Bayou on Market St Eb
Open to traffic

Market Street Bridge (W) (Bexar County, Texas)
Built 1927
Bridge over San Antonio River on West Market Street
Open to traffic

Market Street Bridge (West) (Dauphin County, Pennsylvania)
Built 1928; rehabilitated 1962
Beam bridge over Susquehanna River (West) on Sr 3012,West Spans
Open to traffic

Market Street Bridge (Westbound) (Harris County, Texas)
Built 1943
Slab bridge over Hunting Bayou on Market Street
Open to traffic

Market Street Hogan Creek Bridge (Duval County, Florida)
Built 1929
Slab bridge over Hogan Creek on Market Street
Open to traffic

Market Street- Brandywine Creek (New Castle County, Delaware)
Bridge
Open to traffic

Marsh Run Overpass (York County, Pennsylvania)
Built 1949 by the PTC
Pony/through plate girder bridge over PA Turnpike/I-76 on Marsh Run in Fairview Township
Open to traffic

Marsh Run TR 181 Bridge (Huron County, Ohio)
Built 1922; rehabilitated 1991
Pony truss bridge over Marsh Run on TR 181
Open to traffic

Marshall Covered Bridge 14-61-32 (Parke County, Indiana)
Built 1917
Covered bridge over Rush Creek on CR W800N
Open to traffic

Marshall Road Bridge (Orleans County, New York)
Built 1909
Through truss bridge over Erie Canal on Marshall Road, west of Medina
Open to traffic

Marshall Road-Hannacrois Creek Bridge (Albany County, New York)
Bridge
Intact but closed to all traffic

Marshall Street Bridge (Montgomery County, Pennsylvania)
Built 1910
Stone arch bridge over Saw Mill Run on Marshall Street in Norristown
Open to traffic

Marshyhope Creek Bridge (Dorchester County, Maryland)
Built 1931
Bascule bridge over Marshyhope Creek on MD 14
Open to traffic

Martha Street Bridge (Monroe County, New York)
Built 1908
Through truss bridge over Erie Canal on Martha Street in Spencerport
Open to traffic

Martha Washington Bridge (Milwaukee County, Wisconsin)
Built 1964
Concrete arch bridge over Martha Washington Drive and Schoonmaker Creek on W. Washington Blvd. in Wauwatosa
Open to traffic

Martin Drive Ramp (Hamilton County, Ohio)
Built 1958; rehabilitated 1986
Pony/through plate girder bridge over US 50 on Ramp To Martin Drive
Open to traffic

Martin's Mill Covered Bridge 45-14-01 (Windsor County, Vermont)
Built 1881
Covered bridge over Lulls Brook on Martinsville Rd (C3046) in Hartland
Open to traffic

Martindale Creek-Beard Rd. Bridge (Wayne County, Indiana)
Built 1912
Concrete arch bridge over Martindale Creek on Beard Road
Open to traffic

Martinton Ditch Bridge (Iroquois County, Illinois)
Built 1955
Pony truss bridge over Martinton Ditch No. 3 on TR 320
Open to traffic

Marys River Bridge (Benton County, Oregon)
Built 1933
Parker through truss bridge over Marys River on Northbound OR 99W in Corvallis
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 1937
Beam bridge over Mashel River on Alder Cutoff Road
Open to traffic

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

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

Maumee River Bridge (Wood County, Ohio)
Built 1948; rehabilitated 1988
Through truss bridge over Maumee River on CR 64 in Waterville
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 (Madison County, Arkansas)
Built 1934
Steel stringer bridge over Maxwell Creek on AR 21
Open to traffic

Maywood Bridge (Lewis County, Missouri)
Built 1894 by the St. Louis Bridge & Iron Co.; replaced 1999
Lost through truss bridge over Middle Fabius River on CR 587
Replaced by new bridge

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

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

Mccan Mill Road Bridge (Hunterdon County, New Jersey)
Built 1923
Pony truss bridge over Lamington River on Mccan Mill Road
Open to traffic

McCarty Creek Road Bridge (Tehama County, California)
Built 1937
Pin-connected Pratt Through truss bridge over McCarty Creek on McCarty Creek Road
Open to traffic

McCauley Road Bridge (Cecil County, Maryland)
Built 1884; rehabilitated 1993
Pony truss bridge over Basin Run on McCauley Road
Open to traffic

McClaren Road Bridge (Allegheny County, Pennsylvania)
Built 1948
Concrete tee beam bridge over Montour Run on McClaren Road
Open to traffic

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 Tunnel (Los Angeles County, California)
Built 1935
Tunnel on I-10 in Santa Monica
Open to traffic

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

McConahy Road Bridge (Lawrence County, Pennsylvania)
Built 1912, rebuilt in 2017
Concrete arch bridge over a branch of Taylor Run on McConahy Road
Open to traffic

McConnell's Mill Covered Bridge 38-37-01 (Lawrence County, Pennsylvania)
Built 1874; rehabilitated 1957 and 1998
Covered bridge over Slippery Rock Creek in McConnells Mill State Park
Open to traffic

McCord Street Overpass (Marion County, Illinois)
Built 1986 as a project to put IL 161 on a new alignment in Centralia
Steel stringer bridge over Illinois Central Railroad and Hickory Street on IL 161 WB in Centralia
Open to traffic

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

McCormick's Creek Park Road Bridge (Owen County, Indiana)
Built 1934; rehabilitated 1969
Stone arch bridge over McCormick's Creek in Mc Cormick's Creek State Park
Open to traffic

McCracken Creek Bridge (Hendricks County, Indiana)
Built ca. 1910
Concrete arch bridge over McCracken Creek on CR 1100 South
Open to traffic

McCullough Creek CR 45 (Henley-Deemer Rd.) Bridge (Scioto County, Ohio)
Built 1940; rehabilitated 1993
Lost Pony truss bridge over McCullough Creek on CR 45 (Henley-Deemer Rd.)
Replaced by a new bridge

McCullough Ford Bridge (Decatur County, Indiana)
Complted October 1885 for $1,535.83
Stone arch bridge over a branch of Fall Fork Clifty Creek on CR 600 West
Open to traffic

McCune Creek Bridge (Solano County, California)
Built 1911; rehabilitated 1951, abandoned unknown year with road re-alignement
Abandoned Concrete box bridge over McCune Creek on old Winters Road
Close to traffic

McCutcheon Road Bridge (St. Louis County, Missouri)
Built in 1944; replaced in 2008 as part of MoDOT's "New I-64 Project"
Lost concrete frame bridge over I-64/US 40 on McCutcheon Road in Ladue
Replaced by a new bridge

McDaniel Avenue Bridge (Greenville County, South Carolina)
Built 1938
Slab bridge over Abandoned SCL Railroad R/W on S-23-14
Open to 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

McDonough Street Bridge (Will County, Illinois)
Built 1933 by the Mississippi Valley Structural Steel Co.; rehabilitated 1987
Bascule bridge over Des Plaines River on McDonough Street (US 6/52) in Joliet
Open to traffic

McFarland Road Bridge (Benton County, Oregon)
Built 1963
Polygonal Warren pony truss bridge over Muddy Creek on McFarland Road
Open to traffic

McGee Creek Bridge (Hood River County, Oregon)
Built 1952
Wooden Kingpost pony truss bridge over McGee Creek on Lolo Pass Road
Open to traffic

McGrath Highway Bridge (Middlesex County, Massachusetts)
Built 1926 (NBI says 1908); rehabilitated 1983
Through truss bridge over MBTA/BMRR on MA 28 (McGrath Highway) in Somerville
Open to traffic

Mchargue Ditch CR 150S Bridge (Jackson County, Indiana)
Built ca. 1920; rehabilitated 1997
Pony truss bridge over Mchargue Ditch on County Road 100 South
Open to traffic

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

Mckay Creek Bridge (Umatilla County, Oregon)
Built 1923
Stringer bridge over Mckay Creek on Schroeder Road (Old US 395)
Open to traffic

McKee Street Bridge (Harris County, Texas)
Built 1932
Concrete girder bridge over Buffalo Bayou on McKee Street in Houston
Open to traffic

McKees Rocks Bridge (Allegheny County, Pennsylvania)
Built 1931; rehabilitated 1987
Steel through arch bridge over Ohio River on Chartiers Avenue in Pittsburgh
Open to traffic

McKees Rocks Bridge - Railroad Spans (Allegheny County, Pennsylvania)
Built 1931; rehabilitated 1987
Steel through arch bridge over CSX Railroad on SR 3104 (Mckees Rocks Bridge)
Open to traffic

McKeesport-Duquesne Bridge (Allegheny County, Pennsylvania)
Built 1927 by the American Bridge Co.
Through truss bridge over the Monogahela River on PA 2114 at Duquesne in North Versailles
Open to traffic

Mckennon Lane Bridge (Union County, Oregon)
Built 1925, Replaced 2004
Truss bridge over Grande Ronde River on Mckennon Lane
Replaced by a pre-cast concrete girder bridge in 2004

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 Bridge (St. Louis, Missouri)
Built 1910, closed to traffic in October 2001, reopened in 2007
Through truss bridge over the Mississippi River at St. Louis
Open to traffic

McKinstry's Mills Bridge (Carroll County, Maryland)
Built 1908; rehabilitated 1997
Pony truss bridge over Sams Creek on Pearre Road
Open to traffic

McMillan Street Bridge (Hamilton County, Ohio)
Built 1937
Steel rigid frame bridge over US 42 on Mcmillan Street
Open to traffic

McMillin Bridge (Pierce County, Washington)
Built 1934. Bypassed by a new vehicular bridge and left in place in 2015.
Concrete truss bridge over Puyallup River on WA 162 in McMillin
Open to pedestrians only

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

ME-127 Overpass (Sagadahoc County, Maine)
Built 1949; rehabilitated 1986
Steel stringer bridge over Mdot Rr on Route 127
Open to traffic

Meadow Creek Bridge (Greene County, Tennessee)
Built ca. 1920
Concrete arch bridge over Meadow Creek on Allens Bridge Road
Open to traffic