There are 6,580 bridges in this category · Only showing 3,614 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.”

Longwood Avenue Bridge (Norfolk County, Massachusetts)
Built 1896
Closed-spandrel arch bridge over Muddy River, Emerald Necklace Greenway, and MBTA Green Line on Longwood Avenue
Open to traffic

Loockerman Street Bridge (Kent County, Delaware)
Built 1934
Concrete arch bridge over St. Jones River on Loockerman Street in Dover
Open to traffic

Loomis Street Bridge (Cook County, Illinois)
Built 1904; rehabilitated 1976
Bascule bridge over South Branch Chicago River on Loomis Street in Chicago
Open to traffic

Los Angeles River Pedestrian Bridge (Los Angeles County, California)
Built 1929
Steel Warren arch pedestrian bridge over Los Angeles River near Glendale Blvd. in Los Angeles
Open to Pedistrians

Los Cerritos Bridge (Conejos County, Colorado)
Reconstructed 1987
Pony truss bridge over Conejos River on CR M south of Manassa
Open to one-lane traffic

Los Osos Valley Road at US 101 (San Luis Obispo County, California)
Built 1961; rehabilitated 1986
Beam bridge over US 101 on Los Osos Valley Road
Open to traffic

Lost Creek Bridge (Jefferson County, Tennessee)
Built 1921
Concrete arch bridge over Lost Creek on Old Andrew Johnson Highway in New Market
Open to traffic

Lost Creek MO 32 Bridge (Washington County, Missouri)
Built 1934
Concrete tee beam bridge over Lost Creek on MO 32
Open to traffic

Lost River Bridge (Hardy County, West Virginia)
Built 1931; rehabilitated 1994
Through truss bridge over Lost River on CR 55/20
Open to traffic

Lost River-Tater Rd. Bridge (Orange County, Indiana)
Built ca. 1920; rehabilitated 1992
Pony truss bridge over Lost River on Tater Road (CR 500E)
Open to traffic

Lostine River Bridge (Wallowa County, Oregon)
Built 1950
Polygonal Warren pony truss bridge over Lostine River on Lostine River Road
Open to traffic

Loux Covered Bridge 38-09-11 (Bucks County, Pennsylvania)
Built 1871
Covered bridge over Cabin Run Creek on Schlentz Hill Road
Open to traffic

Lovejoy Covered Bridge 19-09-01 (Oxford County, Maine)
Built 1868; rehabilitated 1984
Covered bridge over Ellis River on Covered Bridge Road
Open to traffic

Low Water Road Bridge (Montgomery County, North Carolina)
Slab bridge over Uwharrie River on Low Water Road
Open to traffic

Lower Creek Road Bridge (Hunterdon County, New Jersey)
Built 1889; rehabilitated 1969, 1977, 2001
Pony truss bridge over Wickecheoke Creek on Lower Creek Road
Open to traffic

Lower Humbert Covered Bridge 38-56-12 (Somerset County, Pennsylvania)
Built 1891; rehabilitated 1991
Multiple Kingpost through truss bridge over Laurel Hill Creek on T312 Covered Br Road (TR393)
Open to traffic

Lowrey Road Bridge (Tehama County, California)
Built 1942
Warren Pony truss bridge over South Fork Elder Creek on Lowrey Road
Open to traffic

Lowrey Road Bridge (Tehama County, California)
Built 1942
Warren Pony truss bridge over Middle Fork Elder Creek on Lowrey Road
Open to traffic

Loyalsock Creek Bridge (Sullivan County, Pennsylvania)
Built 1935; rehabilitated 1986
Through truss bridge over Loyalsock Creek on PA 87
Open to traffic

Loyalsock Creek Bridge (Sullivan County, Pennsylvania)
Built 1937; rehabilitated 1987
Through truss bridge over Loyalsock Creek on PA 87 in Forksville
Open to traffic

Loys Station Covered Bridge 20-10-03 #2 (Frederick County, Maryland)
Built 1885; rehabilitated 1994
Multiple Kingpost through truss bridge over Owens Creek on Old Frederick Road
Open to traffic

Lt. Robert Packer Cross Memorial Bridge (Hampshire County, Massachusetts)
Built 1938; railroad span replaced 2012
Steel through arch bridge over Westfield River & CSX Berkshire Subdivision on MA 112 in Huntington
Open to traffic

Lucas Avenue Bridge (Humboldt County, Iowa)
Built 1949
Steel stringer bridge over Ditch No 7 on Lucas Avenue
Open to traffic

Lucile Bridge (Idaho County, Idaho)
Built 1937; rehabilitated 1975
Through truss bridge over Salmon River on Cow Creek Road
Open to traffic

Lucy Creek Bridge (Osage County, Oklahoma)
Built ca. 1930
Pony truss bridge over Lucy Creek on FAS 5754
Open to traffic

Lusardi Creek Bridge (San Diego County, California)
Built 1941. The dirt portion of Black Mountain Road was closed to vehicular traffic around 2004 and is now a popular walking and biking trail
Timber stringer bridge over Lusardi Creek on Black Mountain Road
Open to pedestrians only

Lusk Creek Bridge (Pope County, Illinois)
Built 1934
Through truss bridge over Lusk Creek on Eddyville Road (FAS 930), southeast of Eddyville, 3.25 mi. southeast of Eddyville
Open to two-lane traffic

Lyle Covered Bridge 38-63-21 (Washington County, Pennsylvania)
Built 1887; rehabilitated 1998
Queenpost through truss bridge over Brush Run Creek on TR861 Kramer Rd.
Open to traffic

Lyon Creek Bridge (Geary County, Kansas)
Built 1925
Rainbow arch bridge over Lyon Creek on Lyons Creek Road, 3.4 mi. west and 5.3 mi. south of Wreford
Open to traffic

Lyon Creek Bridge (Geary County, Kansas)
Built ca. 1930
Rainbow arch bridge over Lyon Creek on Lyons Creek Road, 2.0 mi. west and 2.5 mi. south of Wreford
Open to traffic

Lyon's Bridge (Norfolk County, Massachusetts)
Built 1876; rehabilitated 1931
Stone arch bridge over Charles River on Greendale Ave/Lyons Street
Open to traffic

MacArthur Bridge (Wayne County, Michigan)
Built 1923; rehabilitated 1998
Open-spandrel arch bridge over Detroit River on Belle Isle Traffic
Open to traffic

Mackinac Bridge (Emmet County, Michigan)
Opened Nov. 1, 1957
Suspension bridge over the Straits of Mackinac on I-75 at Mackinaw City
Open to traffic

Maclay Street Bridge (Dauphin County, Pennsylvania)
Built 1940
Concrete arch bridge over Paxton Creek on Maclay Street in Harrisburg
Open to traffic

Maclay's East Twin Bridge (Franklin County, Pennsylvania)
Built 1827 by Silas Harry
Stone arch bridge over a branch of Conodoguinet Creek on McClays Mill Road (PA 4018)
Open to traffic

Macombs Dam Bridge (New York County, New York)
Built 1895; rehabilitated 2003
Swing bridge over Harlem River on E. 155th Street in New York
Open to traffic

Madison Avenue Bridge (New York County, New York)
Built 1907; rehabilitated 1988
Swing bridge over Harlem River on Madison Avenue in New York
Open to traffic

Madison Street Bridge (Cook County, Illinois)
Built 1922; rehabilitated 1994
Bascule bridge over South Branch Chicago River on Madison Street in Chicago
Open to traffic

Madisonville Road over Branch of Canoe Creek (Henderson County, Kentucky)
Built 1948
Bridge over Branch of Canoe Creek on Madisonville Road
Open to traffic

Maeystown Bridge (Monroe County, Illinois)
Built 1881; rehabilitated 1938
Stone arch bridge over Maeystown Creek on Mill Street at Maeystown
Open to one-lane traffic

Mahanoy Creek Bridge (Schuylkill County, Pennsylvania)
Built 1893; rehabilitated 1948
Bridge over Mahanoy Creek on Centre Street
Open to traffic

Mahantango Creek Bridge (Snyder County, Pennsylvania)
Built 1930; rehabilitated 1993
Through truss bridge over Mahantango Creek on PA 104
Open to traffic

Main St. Bridge (McDowell County, North Carolina)
Built 1954
Steel stringer bridge over Southern RR on US221b
Open to traffic

Main Street Bridge (Floyd County, Iowa)
Built 1909 replacing a two-span through truss bridge built in the 1880s.
Concrete arch bridge over Cedar River on Main Street in Charles City
Open to traffic

Main Street Bridge (Middlesex County, Massachusetts)
Built 1949
Pony truss bridge over MBTA/BMRR on MA 2A (East Main Street) in Ayer
Open to traffic

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 (Broome County, New York)
Built 1930; rehabilitated 1991
Pony truss bridge over Big Choconut Creek on Main Street
Open to traffic

Main Street Bridge (Monroe County, New York)
Built 1865; rehabilitated 1972
Stone arch bridge over Genesee River on Main Street in Rochester
Open to traffic

Main Street Bridge (Harris County, Texas)
Built 1914; rehabilitated 1985
Concrete arch bridge over Buffalo Bayou on Main Street in Houston
Open to traffic

Main Street Bridge (Ohio County, West Virginia)
Built 1892 by the Paige, Carey & Co.
Stone arch bridge over Wheeling Creek on Main Street (CR 18) in Wheeling
Open to traffic

Main Street Bridge (Linn County, Iowa)
Built 1952
Steel stringer bridge over Wapsipinicon River on Main Street
Open to traffic

Main Street Bridge (Cumberland County, Maine)
Built 1936
Concrete rigid frame bridge over M C RR on US 1 (Main Street)
Open to traffic

Main Street Bridge (Jones County, Iowa)
Closed-spandrel arch bridge over Division Creek on Main St E
Open to traffic

Main Street Bridge (Summit County, Ohio)
Built 1948 by the Wilbur Watson & Assoc.; rehabilitated 1993
Deck truss bridge on North Main Street (Old OH 8) in Cuyahoga Falls
Open to traffic

Main Street Bridge (Chittenden County, Vermont)
Built 1928
Deck plate girder bridge over Winooski River on US Rt 7
Open to traffic

Main Street Concrete Arch Bridge (Wise County, Virginia)
Built 1926
Luten open spandrel concrete arch bridge over Callahan Creek on Main Street in Appalachia
Open to traffic

Main Street over Hinkston Creek (Montgomery County, Kentucky)
Concrete tee beam bridge over Hinkston Creek on Main Street


Main Street Overpass (Los Angeles County, California)
Built 1926
Concrete open spandrel arch bridge over ROUTE 1 on Main Street in Santa Monica
Open to traffic

Main Street Overpass (Story County, Iowa)
Built 1938; rehabilitated 1980
Steel stringer bridge over Grand Ave. (US69) on Main Street
Open to traffic

Main Street Railroad Bridge (Rutland County, Vermont)
Built 1920 by Boston Bridge Works; Rehabilitated & Widened 1936
Steel arch bridge over Vermont Railway on Main street (TR 03 FAS 155)
Open to traffic

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

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 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

Mantachie Canal MS 178 Bridge (Itawamba County, Mississippi)
Built 1949; Renovated 2016
Through truss bridge over Mantachie Canal on MS 178
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

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 (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

Marsh Road Bridge (Monroe County, New York)
Built 1912
Through truss bridge over Erie Canal on Marsh Road
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

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

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