There are 7,794 bridges in this category · Only showing 4,097 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.”

MEIER RD 861 over BOB'S CR (Lincoln County, Missouri)
Bridge over Bob's Creek on Meier Road
Open to traffic

Meiser/Globe Mills Bridge (Snyder County, Pennsylvania)
Built 1941; rehabilitated 1995 and 2011
Through truss bridge over Middle Creek on PA 1007
Open to traffic

Melblanc Road Bridge (Brown County, Ohio)
Built ca. 1950
Pony truss bridge over West Fork of Ohio Brush C on TR 201
Open to traffic

Melita Road Bridge (Sonoma County, California)
Built 1915
Closed spandrel Concrete arch bridge over Santa Rosa Creek on Melita Road in Santa Rosa
Open to traffic

Memorial Bridge (New Haven County, Connecticut)
Built 1889 by John Beattie
Stone arch bridge over Wepawaug River on CT 162 (New Haven Avenue) in Milford
Open to traffic

Memorial Bridge (Knox County, Indiana)
Finished October 15, 1932 for $258,981.34; rehabilitated 1992
Open-spandrel arch bridge over Wabash River on Business US 50 at Vincennes
Open to traffic

Memorial Bridge (Roanoke, Virginia)
Built 1926 by W.W. Boxley and Company; Rehabilitated 2003
Concrete arch bridge over Roanoke River on Memorial Ave. (US 11) in Roanoke
Open to traffic

Meramec River MO 21 Bridge (St. Louis County, Missouri)
Built 1940; rehabilitated 2010
Steel through arch bridge over the Meramec River on Tesson Ferry Road (Missouri State Highway 21) at the St. Louis / Jefferson County line
Open to four lanes of traffic

Mercer Street Bridge (Crawford County, Pennsylvania)
Built 1936; rehabilitated 1984
Through truss bridge over French Creek on Mercer Street in Meadville
Open to traffic

Mercer's Mill Covered Bridge 38-36-38 / 38-15-19 (Lancaster County, Pennsylvania)
Built 1880
Covered bridge over E Octoraro Creek on Creek Road
Open to traffic

Meriden Covered Bridge 29-10-08 (Sullivan County, New Hampshire)
Built 1880; Restored 1963
Multiple Kingpost through truss bridge over Bloods Brook on Colby Hill Road
Open to traffic

Merritt Parkway - Norwalk River Bridge (Fairfield County, Connecticut)
Built 1938; rehabilitated 1988
Concrete arch bridge over Norwalk River on Merritt Parkway (CT 15) in Norwalk
Open to traffic

Merritt Parkway Grumman Avenue Bridge (Fairfield County, Connecticut)
1938 Concrete rigid frame bridge over Wilton Rd on Merritt Parkway
Open to traffic

Merritt Parkway over Bayberry Lane Bridge (Fairfield County, Connecticut)
Built 1939
Concrete arch bridge over Bayberry Lane on Merritt Parkway (CT 15) in Westport
Open to traffic

Merritt Parkway over Black Rock Turnpike Bridge (Fairfield County, Connecticut)
Built 1938
Concrete rigid frame bridge over Black Rock Turnpike (CT 58) on Merritt Parkway (CT 15)
Open to traffic

Merritt Parkway over Chestnut Hill Road Bridge (Fairfield County, Connecticut)
Built 1937
Concrete arch bridge over Chestnut Hill Road (CT 53) on Merritt Parkway (CT 15) in Norwalk
Open to traffic

Merritt Parkway over Cross Highway Bridge (Fairfield County, Connecticut)
Built 1938
Concrete arch bridge over Cross Highway on Merritt Parkway (CT 15) in Fairfield
Open to traffic

Merritt Parkway over Huntington Road Bridge (Fairfield County, Connecticut)
Built 1940
Rigid frame bridge over Huntington Road on the Merritt Parkway (CT 15)
Open to traffic above and below

Merrymeeting River Bridge (Belknap County, New Hampshire)
Built 1934
Concrete rigid frame bridge over Merrymeeting River on Nh 11
Open to traffic

Meshoppen Creek Bridge (Wyoming County, Pennsylvania)
Built 1934; rehabilitated ca. 1985
Through truss bridge over Meshoppen Creek on PA 267 in Meshoppen
Open to traffic

Metaline Falls Bridge (Pend Oreille County, Washington)
Built 1951
Deck truss bridge over Pend Oreille River on WA 31 in Metaline Falls
Open to traffic

Metamora Bridge (Franklin County, Indiana)
Built 1932; rehabilitated 1977; replaced 2000
Lost three-span through truss bridge over Whitewater River on US 52
Replaced by new bridge

Methow River Bridge (Okanogan County, Washington)
Built 1929; rehabilitated 1950
Through truss bridge over Methow River on WA 20 in Winthrop
Open to traffic

Miami River Bridge (Miami-Dade County, Florida)
Built 1929
Bascule bridge over Miami River on SW 1st Street in Miami
Open to traffic

Miami River Bridge (Miami-Dade County, Florida)
Built 1950
Bascule bridge over Miami River on NW 36th Street in Hialeah
Open to traffic

Miami River Bridge (Miami-Dade County, Florida)
Built 1928
Bascule bridge over Miami River on NW 17th Avenue in Miami
Open to traffic

Michigan Bar Road Bridge (Sacramento County, California)
Built 1947
Deck truss bridge over Cosumnes River on Michigan Bar Road in Rancho Murieta


Michigan Street Bridge (Milwaukee County, Wisconsin)
Built 1978
Vertical lift bridge over Milwaukee River on Michigan Street in Milwaukee
Open to traffic

Middle Creek Bridge (Miami County, Kansas)
Built 1914 by the Topeka Bridge & Iron Co.
Concrete arch bridge over Jake's Branch of Middle Creek on 335th Street, 7.0 mi. south and 2.1 mi. west of Louisburg
Open to traffic

Middle Fork AR 7 Bridge (Garland County, Arkansas)
Built 1933 by the Ault-Rich Construction Co. of Cassville, Missouri
Two-span open-spandrel arch bridge over Middle Fork Saline River on AR 7
Open to two-lane traffic

Middle Fork Blue River-Martinsburg Rd. Bridge (Washington County, Indiana)
Built ca. 1920; rehabilitated 1965; replaced 1993
Lost concrete arch bridge over Middle Fork Blue River on Martinsburg Road
Replaced by new bridge

Middle Fork Clifty Creek Bridge (Decatur County, Indiana)
Built ca. 1890
Two-span stone arch bridge over Middle Fork Clifty Creek on CR 225 East
Open to traffic

Middle Fork Kentucky River KY 30 Bridge (Breathitt County, Kentucky)
Built 1935
Pratt through truss bridge over Middle Fork Kentucky River on KY 30
Open to traffic

Middle Fork Saline River Bridge (Garland County, Arkansas)
Built 1933
Concrete tee beam bridge over Middle Fork Saline River on SH 7
Open to traffic

Middle Fork Smith River Bridge (Del Norte County, California)
Built 1925; rehabilitated 1972
Concrete arch bridge over Middle Fork Smith River on US 199
Open to traffic

Middle Fork Wildcat Creek SR 26 Bridge (Tippecanoe County, Indiana)
Built 1929; rehabilitated 1972; replaced 1999
Lost pony truss bridge over Middle Fork Wildcat Creek on IN 26
Replaced by new bridge

Middle Fork-South Boston Road Bridge (Washington County, Indiana)
Built ca. 1930
Lost pony truss bridge over Middle Fork Blue River on Canton-South Boston Road
Replaced by a new bridge

Middle Fork. Beargrass Cre Bridge (Jefferson County, Kentucky)
Built 1940
Concrete tee beam bridge over Middle Fork. Beargrass Cre on Lyndon Lane
Open to traffic

Middle River Bridge (Adair County, Iowa)
Built ca. 1920; rehabilitated 1993
Through truss bridge over Middle River on 320th Street
Open to traffic

Middle River Bridge (Adair County, Iowa)
Built 1915; rehabilitated 1930
Pony truss bridge over Middle River on Sheldon Avenue
Open to traffic

Middle River Bridge (Adair County, Iowa)
Built 1950
Through truss bridge over Middle River on County Road G39
Open to traffic

Middle River Bridge (Adair County, Iowa)
Built ca. 1950
Pony truss bridge over Middle River on Riverside Avenue
Open to traffic

Middle River Bridge (Madison County, Iowa)
Built ca. 1930; rehabilitated 1948
Through truss bridge over Middle River on Adair Madison Avenue
Open to traffic

Middle Road Bridge (Allegheny County, Pennsylvania)
Built 1952; rehabilitated 1985
Lost Pony/through plate girder bridge over I-76 (Pennsylvania Turnpike) on Middle Road
Replaced by a new bridge

Middle Road Covered Bridge 35-04-06 (Ashtabula County, Ohio)
Built 1868; rehabilitated 1984
Covered bridge over Conneaut Creek on Middle Road in Conneaut
Open to traffic

Middlebury River Bridge (Addison County, Vermont)
Built 1924; Replaced 2014
Lost Closed-spandrel arch bridge over Middlebury River on Vt 00125 Ml
Replaced by a new bridge

Midgley Bridge (Coconino County, Arizona)
Built 1938
Steel arch bridge over Wilson Canyon on AZ A89
Open to traffic

Mildred Kerley Bridge (De Kalb County, Alabama)
Built 1920
Timber stringer bridge over Little Wills Creek on North Valley Road
Open to traffic

Mile Load Road Bridge (Fulton County, Illinois)
Deck truss bridge over the BNSF Railroad on Mile Load Road (TR 42)
Open to traffic, one lane, 10 ton weight limit

Milford Road Overpass (Hunterdon County, New Jersey)
Built 1891, altered 1917; rehabilitated 1933-4
Wrought iron Howe pony truss bridge over Lehigh Valley Mainline on Milford Road in Bloomsbury
Open to traffic

Military Street Bascule Bridge (New) (St. Clair County, Michigan)
Built 1991
Deck girder bridge over Black River on Military Street
Open to traffic

Milk River Bridge (Hill County, Montana)
Built 1938
Pony truss bridge over Milk River on CR 006
Open to traffic

Mill Avenue Bridge (Maricopa County, Arizona)
Built 1931
Concrete arch bridge over Salt River on southbound Mill Avenue in Phoenix
Open to traffic

Mill Bridge (Westmoreland County, Pennsylvania)
Built 1938; rehabilitated 1992
Through truss bridge over Kiskiminetas River on Mill Bridge Road in West Leechburg
Open to traffic

Mill Creek Bridge (Wabaunsee County, Kansas)
Built ca. 1935
Through truss bridge over Mill Creek on Willard Road, 1.0 mi. east and 0.2 mi. north of Maple Hill
Open to traffic

Mill Creek Bridge (King County, Washington)
Built 1915
Concrete arch bridge over Mill Creek on 68th Avenue South in Kent
Open to traffic

Mill Creek Bridge (Walla Walla County, Washington)
Built 1921; rehabilitated 1968
Concrete arch bridge over Mill Creek on Park Street in Walla Walla
Replaced by a new bridge

Mill Creek Bridge (Jackson County, West Virginia)
Built 1923
Concrete arch bridge over Mill Creek on CR 5
Open to traffic

Mill Creek Bridge (Jackson County, West Virginia)
Built 1922
Through truss bridge over Mill Creek on CR 25
Open to traffic

Mill Creek Bridge (Jackson County, West Virginia)
Built 1926
Concrete arch bridge over Mill Creek on WV 331
Open to traffic

Mill Creek Bridge (Crawford County, Indiana)
Built 1885; rehabilitated 2000
Through truss bridge over Mill Creek on CR 220 East
Open to traffic

Mill Creek Bridge (Crawford County, Arkansas)
Built 1940
Bridge over Mill Creek on Sh 215
Open to traffic

Mill Creek Bridge (Park County, Montana)
Built 1925
Steel stringer bridge over Mill Creek on S 540
Open to traffic

Mill Creek Bridge CR 400 N (Dubois County, Indiana)
Built ca. 1900; replaced 1995
Lost pony truss bridge over Mill Creek on CR 400 N
Replaced by new bridge

Mill Creek Bridge in Upper Southamton Township, PA (Bucks County, Pennsylvania)
Built ca. 1860; rehabilitated 1996
Stone arch bridge with steel liners over Mill Creek on Gravel Hill Road in Upper Southampton Twp, PA
Open to traffic

Mill Creek Park Suspension Bridge (Mahoning County, Ohio)
Built 1895 by the Youngstown Bridge Co.; rebuilt in 2007 by the DOT Construction Company Canfield, OH
Suspension bridge over Mill Creek in Mill Creek Park at Youngstown
Open to traffic

Mill Creek Swinging Bridge (Miller County, Missouri)
Built ca. 1925 by Joseph Dice; rehabilitated 1978
Suspension bridge over Mill Creek on Lake Road 42-18 (Swinging Bridges Road) near Brumley
Open to one-lane traffic

Mill Crossing Bridge (Marin County, California)
Built 1947
Deck truss bridge over Lagunitas Creek on Mill Crossing
Open to traffic

Mill Race Bridge (Laclede County, Missouri)
Built 1934
Small concrete arch bridge over the Mill Race on MO 64A at Bennett Spring State Park
Open to traffic

Mill Road Bridge (Chester County, Pennsylvania)
Built 1912
Stone arch bridge over Valley Creek on Mill Road
Open to traffic

Mill Street Bridge (Tompkins County, New York)
Built 1910; rehabilitated 1964
Pony truss bridge over Fall Creek on Mill Street
Open to traffic

Mill Street Bridge (NB) (Maricopa County, Arizona)
built 1994 to complement the SB bridge
Bridge
Open to traffic

Miller Creek AR 233 Bridge (Independence County, Arkansas)
Built 1936
Concrete tee beam bridge over Missouri North Arkansas Railroad and Miller Creek on SH 233 in Batesville
Open to traffic

Millers Run Covered Bridge 45-03-06 (Caledonia County, Vermont)
Built 1878; rehabilitated 1995
Covered Queenspost through truss bridge over Millers Run on ALT VT 122 in Lyndon
Open to traffic

Milltown Bridge (Sebastian County, Arkansas)
Built 1940 by the Works Progress Administration
Two-span stone arch bridge over Vache Grasse Creek on CR 77 (Mount Harmony Road) west of Milltown
Open, no visible weight limit sign.

Milwaukee River Bridge (Old) (Washington County, Wisconsin)
Built 1929, Replaced 2003
Lost Parker through truss bridge over Milwaukee River on CTH MY in Newburg
Demolished - Replaced by a UCEB

Milwaukee River Broadway St. Bridge (Milwaukee County, Wisconsin)
Built 1982
Bascule bridge over Milwaukee River on Broadway Street (WI 32) in Milwaukee
Open to traffic

Mine Creek Bridge (Howard County, Arkansas)
Built 1931
Concrete tee beam bridge over Mine Creek on E. Sheppard Street in Nashville
Open to traffic

Miner Slough Bridge (Solano County, California)
Built 1933; rehabilitated 1953
Swing bridge over Miner Slough on CA 84
Open to traffic

Miner Street Bridge (Clear Creek County, Colorado)
Built 1902 by Kuyes and Work. Reconstructed 1990 (the trusses are no longer load-bearing).
Reconstructed pony truss bridge over Clear Creek on Miner Street in Idaho Springs
Open to traffic

Mineral Bayou Creek Bridge (Bryan County, Oklahoma)
Built 1926
Steel stringer bridge over Mineral Bayou Creek on Old US Highway 70 / East Main Street
Open to traffic

Mingo Ditch Route T Bridge (Stoddard County, Missouri)
Built 1955
Steel stringer bridge with wooden piers over Mingo Ditch on Route T
Open to two-lane traffic

Mingo Road Bridge (Montgomery County, Pennsylvania)
Built 1914
Stone arch bridge over Mingo Run Creek on Mingo Road in Upper Providence Township, PA
Open to traffic

Minnie White Road Bridge (Vinton County, Ohio)
Built 1945; rehabilitated 1965
Pony truss bridge over Red Oak Creek on Township Hwy 13/Minnie White Road
Derelict

Minnow Creek Bridge (Johnson County, Arkansas)
Built 1942 by the Works Progress Administration
Tee beam bridge over Minnow Creek on CR 50
Open to traffic

Minortown Road Bridge (Litchfield County, Connecticut)
Built 1890 by the Berlin Iron Bridge Co.; rehabilitated 1991
Lenticular pony truss bridge over Nonewaug River on Minortown Road in Woodbury
Open to traffic

Mispillion River Bridge (Kent County, Delaware)
Built 1929; rehabilitated 1952
Bascule bridge over Mispillion River on Rehoboth Road
Open to traffic

Mission Creek Bridge (Osage County, Oklahoma)
Built 1928
Through truss bridge over Mission Creek on D0079
Open to traffic

Mitchell Avenue Bridge (Kitsap County, Washington)
Built 1945
Concrete tee beam bridge over WA 166 on Mitchell Avenue
Open to traffic

Mitchell Bridge (Whitfield County, Georgia)
Built ca. 1920
Concrete arch bridge over Conasauga River on Old Mitchell Br. Road
Abandoned in 2001 when this road was decommissioned

Mitchell Road Bridge (Monroe County, New York)
Built 1912; rehabilitated 1997
Through truss bridge over Erie Canal on Mitchell Road
Open to traffic

Mixon Creek Bridge (Lavaca County, Texas)
Built 1936
Pony truss bridge over Mixon Creek on CR 213
Open to traffic

MLK Approach Span (St. Clair County, Illinois)
Built 1950; rehabilitated 1989
Warren through truss bridge over WB I-70, Missouri Ave. & railroad on M. L. King Bridge Approach in East St. Louis
Open to traffic

MN-19 Union Pacific Overpass (Le Sueur County, Minnesota)
Built 1935, To be replaced 2015
Concrete deck girder bridge over Union Pacific Railroad on MN-19
Replaced by a new bridge

MO 2 Tebo Creek Bridge (Henry County, Missouri)
Concrete tee beam bridge over Tebo Creek on MO 2
Open to traffic

MO 52 Bridge (Pettis County, Missouri)
Built 1929
Slab bridge over Tributary of Flat Creek on MO 52
Open to traffic

Mockingbird Lane Bridge (Dallas County, Texas)
Built 1923
Concrete arch bridge over Turtle Creek on Mockingbird Lane in Dallas
Open to traffic

Mohawk River Bridge (Albany County, New York)
Built 1959; rehabilitated 1976
Pair of steel through arch bridges over Mohawk River on I-87
Open to traffic

Mohler Bridge (Tillamook County, Oregon)
Built 1926
Polygonal Warren pony truss bridge over South Fork Nehalem River on OR 53
Open to traffic

Monaca-East Rochester Bridge (Beaver County, Pennsylvania)
Built 1959; rehabilitated 1993
Through truss bridge over the Ohio River on Pennsylvania Avenue in Monaca
Open to traffic