There are 7,790 bridges in this category · Only showing 4,094 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.”

Nelson Mountain Covered Bridge 37-20-06 (Lane County, Oregon)
Built 1928; rehabilitated 1984
Covered Howe through truss bridge over Lake Creek on Nelson Mountain Road
Open to traffic

Neosho River Bridge (Coffey County, Kansas)
Built 1926
Two-span Marsh arch bridge over Neosho River on 19th Lane, 0.2 mi. east of Hartford
Open to traffic

Neosho River Bridge (Ottawa County, Oklahoma)
Built 1937; replaced 1997
Lost K-truss bridge over Neosho River on US 69 in Miami
Replaced by prestressed concrete girder bridge in 1997.

Neshannock Creek Bridge (Mercer County, Pennsylvania)
Built 1927; rehabilitated 1990
Pony truss bridge over Neshannock Creek on PA 2002 (Leesburg Road)
Open to traffic

Netherland Inn Road Bridge (Sullivan County, Tennessee)
Replaced a steel truss bridge that collapsed into the river in 1937; bypassed by new bridge in 2009
Warren deck truss bridge over North Fork Holston River on Netherland Inn Road
Open to pedestrians only

Neville Island Bridge (Allegheny County, Pennsylvania)
Built 1976; rehabilitated 2008
Steel through arch bridge over Ohio River on I-79
Open to traffic

Nevins Covered Bridge 14-61-05 (Parke County, Indiana)
Built 1920
Covered bridge over Little Raccoon Creek on CR S130E
Open to traffic

New Baltimore Covered Bridge 38-56-09 #2 (Somerset County, Pennsylvania)
Replaced a covered bridge buit in 1879
Multiple Kingpost through truss bridge over Raystown Br of Juniata River on TR812 Town Hill Rd.
Open to traffic

New Bedford-Fairhaven Middle Bridge (Bristol County, Massachusetts)
Swing span built 1897-99
Through truss swing bridge over Acushnet River on US 6 at New Bedford
Open to traffic

New Brownsville Covered Bridge 14-03-08 (Bartholomew County, Indiana)
Built 1840; relocated and shortened 1986; rehabilitated 1991
Covered bridge over a branch of Driftwood River in Mill Race Park
Open to traffic

New Carlisle Pike Bridge (Clark County, Ohio)
Built 1958
Pony truss bridge on New Carlisle Pike
Demolished

New England Central Railroad Bridge (Windham County, Vermont)
Built 1919
Pony truss bridge over New England Central Railroad on C3052 in Putney
Open to traffic

New Hope Bridge (Bartholomew County, Indiana)
Built 1913; rehabilitated 1999
Two-span through truss bridge over Flatrock River on CR 400 North in Columbus
Open to traffic

New Keokuk-Hamilton Bridge (Lee County, Iowa)
Built 1985
Steel stringer bridge over Mississippi River & Rr,R on Us 136 in Keokuk
Open to traffic

New Madrid County Road 626 Bridge (New Madrid County, Missouri)
Built 1954; rehabilitated 1986
Wooden deck bridge over Otter Slough Ditch on CR 626 southwest of Matthews
Open to one-lane traffic with a 13 ton weight limit

New River Bridge (Broward County, Florida)
Built 1960
Bascule bridge over New River on SE 3RD AVE in Fort Lauderdale
Open to traffic

New River Bridge (Broward County, Florida)
Built 1964
Bascule bridge over New River on SW 7th Avenue in Fort Lauderdale
Open to traffic

New York Street Memorial Bridge (Kane County, Illinois)
Built 1931; rehabilitated 1992
Bridge over Fox River on New York Street in Aurora
Open to traffic

Newberry Ford Bridge (Decatur County, Indiana)
Built ca. 1890
Three-span stone arch bridge over Vernon Fork Muscatatuck River on CR 480 East
Open to traffic

Newburgh-Beacon Bridge (Orange County, New York)
Built 1963, rehabilitated 1984. Second span built 1980;
Through truss bridge over Grand Avenue, Hudson River on Rte I84
Open to traffic

Newby Road Bridge (Wilson County, Tennessee)
Built 1914
Two-span arch bridge over Sinking Creek on Newby Street in Lebanon
Open to traffic

Newell Covered Bridge 45-12-10 (Washington County, Vermont)
Built 1872; rehabilitated 1979
Covered bridge over Cox Brook on Cox Brook Road (C2003) in Northfield Falls
Open to traffic

Newfield Covered Bridge 32-55-01 (Tompkins County, New York)
Built 1853; rehabilitated 1972
Town Lattice through truss with supplemental arches over West Branch Cayuga Inlet on Covered Bridge Street in Newfield Hamlet
Open to traffic

Newport Bridge (Newport County, Rhode Island)
Built 1969
Suspension bridge over East Passage Narragansett Bay on RI 138 in Newport
Open to toll traffic

Newport Covered Bridge 14-83-04 (Vermillion County, Indiana)
Built 1885, rehabilitated 1983
Covered bridge over Little Vermillion River on CR 50 North
Open to traffic

Newton Street Bridge (Middlesex County, Massachusetts)
Built 1877; rehabilitated 1951
Stone arch bridge over Charles River on Newton Street
Open to traffic

Newtown Creek Bridge (Bucks County, Pennsylvania)
Built in 1875 by S. R. Wilcus
Stone arch bridge over Newtown Creek on Center Street in Newtown
Open to traffic

Nezinscot River Bridge (Androscoggin County, Maine)
Built 1947
Steel stringer bridge over Nezinscot River on Route 117, Turner Maine
Open to traffic

Nezinscott River Bridge (Oxford County, Maine)
Built 1936
Steel stringer bridge over Nezinscott River on #117
Open to traffic

Niangua River Old US 66 Bridge (Webster County, Missouri)
Built 1924 by contractor M.E. Gillioz
Pony truss bridge on Route CC (Old US 66) over East Fork Niangua River
Open to traffic

Nicasio Creek Bridge (Marin County, California)
Built 1937
Concrete tee beam bridge over Nicasio Creek on Pt Reyes Petaluma Road
Open to traffic

Nicasio Valley Road Bridge (Marin County, California)
Built 1928
Concrete tee beam bridge over Arroyo Nicasio on Nicasio Valley Road
Open to traffic

Ninth Street Lift Bridge (Kings County, New York)
Vertical lift bridge over Gowanus Canal on Ninth Street in New York
Open to traffic

Niobrara River Bridge (Sheridan County, Nebraska)
Built 1981
Pony truss bridge over Niobrara River on County Highway
Open to traffic

Nissley Drive Overpass (Dauphin County, Pennsylvania)
Built 1949 by the PTC
Concrete rigid frame bridge over PA Turnpike/I-76 on Nissley Drive in Lower Swatara Township
Open to traffic

Nix Creek US 71 Bridge (Miller County, Arkansas)
Built 1939
Concrete tee beam bridge over Nix Creek on Us 71
Open to traffic

NJ 23 Passaic River Bridge (Passaic County, New Jersey)
Built 1916; rehabilitated 1988
Concrete arch bridge over Passaic River on NJ 23
Open to traffic

NJ 494 Harbor Boulevard Overpass (Hudson County, New Jersey)
Built 1937; rehabilitated 1954
Deck truss bridge over Huds-Berg Lt Rl&Baldw Av on Nj-495
Open to traffic

NJ35 Bridge (Middlesex County, New Jersey)
Built 1924; rehabilitated 1989
Through truss bridge over North Jersey Coast Line on Northbound NJ 35 in Sayreville
Open to traffic

No Name Ditch Bridge CR 600 W (Dubois County, Indiana)
Built ca. 1930; replaced 1991
Lost pony truss bridge over No Name Ditch on CR 600 W
Replaced by new bridge

Noah Fork Creek Bridge (Coffee County, Tennessee)
Built ca. 1908; girder spans added 1955
Stone arch and concrete girder bridge over Noah Fork Creek on Cheatham Springs Road (NFA 2010)
Replaced by a new bridge

Nolin Bridge (Umatilla County, Oregon)
Built 1950
Parker through truss bridge over Umatilla River on Mac Hoke Road
Open to traffic

Nolin River Bridge (Hardin County, Kentucky)
Built 1930
Concrete tee beam bridge over Nolin River on Us-31w
Open to traffic

Nooksack River Bridge (NB 539) (Whatcom County, Washington)
Built 1950
Warren truss bridge over Nooksack River on WA 539
Open to traffic

Normandy Parkway Overpass (Morris County, New Jersey)
Built 1914
Concrete arch bridge over Morristown Line on Normandy Pkwy
Open to traffic

Normandy Road Overpass (Monmouth County, New Jersey)
Built 1935
Concrete pony/through girder bridge over County Road 537 on Railroad/Normandy Road
Open to traffic

Norris City Avenue Bridge (Montgomery County, Pennsylvania)
Built 1933
Concrete arch bridge over East Branch Stony Creek on Norris City Avenue in East Norriton
Open to traffic

North 1st Avenue Bridge (San Bernardino County, California)
Built 1933
Deck plate girder bridge over Mojave River on N 1st Avenue
Open to traffic

North 4th Street Bridge (Ste. Genevieve County, Missouri)
Built ca. 1940
Concrete tee beam bridge over North Fork Gabouri Creek on N. 4th Street
Open to traffic

North Arlington Avenue Bridge (Essex County, New Jersey)
Built 1910
Concrete arch bridge over Montclair Line on N. Arlington Avenue in Bloomfield
Open to traffic

North Arroyo Boulevard Channel Bridge (Los Angeles County, California)
Built 1927
Concrete arch bridge over Arroyo Seco Ch Br on Arroyo Blvd. in Pasadena
Open to traffic

North Avenue Bridge (Kane County, Illinois)
Built 1926; rehabilitated 1974. Major reconstruction in 2002
Concrete bridge over Fox River on North Avenue in Aurora
Open to traffic

North Avenue Bridge (Baltimore, Maryland)
Built 1895; rehabilitated 1978
Stone/brick arch bridge over Amtrak, CSX, Light Rail, Jones Falls, and Falls Road on North Avenue in Baltimore
Open to traffic

North Bend Overcrossing (Coos County, Oregon)
Built 1935
Concrete tee beam bridge over Coos Bay Rail Link on US 101
Open to traffic

North Blackbird Creek Bridge (Putnam County, Missouri)
Built ca. 1920
Bedstead pony truss bridge over North Blackbird Creek on CR 156
Open to traffic

North Boat Ditch US 67 Bridge (Clark County, Arkansas)
Built 1931 by the Virginia Bridge & Iron Co. of Roanoke, Virginia
Pony truss bridge over North Boat Ditch of Terre Noire Creek on US 67
Replaced by a new bridge

North Branch Kokosing Bridge (Knox County, Ohio)
Built 1904; rehabilitated 1988
Steel stringer bridge over North Branch Kokosing on Beckley Road
Open to traffic

North Branch Root River MN 250 Bridge (Fillmore County, Minnesota)
Built 1924
Lost Through truss bridge over North Branch Root River on MN 250
Replaced by a new bridge

North Camp Run Road Bridge (Lawrence County, Pennsylvania)
Built 1913 by the York Bridge Co.
Concrete arch bridge over Camp Run on North Camp Run Road
Open to traffic

North Canadian River Bridge (Blaine County, Oklahoma)
Built 1915. This bridge may have carried OK 51 for a time.
Through truss bridge over North Canadian River on E0660
Open to traffic

North Fabius River CR 532 Bridge (Lewis County, Missouri)
Built 1915
Pony truss bridge over North Fabius River on CR 532
Open to traffic

North Fork Alsea River Bridge (Benton County, Oregon)
Built 1927
Polygonal Warren pony truss bridge over North Fork Alsea River on OR 34
Open to traffic

North Fork Butter Creek Bridge (Umatilla County, Oregon)
Built 1926, Replaced 2003
Lost Stringer bridge over North Fork Butter Creek on OR 74
Replaced by pre-cast concrete girder bridge in 2003

North Fork Calaveras River Bridge (Calaveras County, California)
Built 1938
Concrete tee beam bridge over N. Fork Calaveras River on State Route 12
Open to traffic

North Fork Elkhorn River Bridge (Pierce County, Nebraska)
Built 1915
Pony truss bridge over North Fork Elkhorn River on a 552nd Avenue, 1 mi. south and 2 mi. east of Pierce
Open to traffic

North Fork Feather River Bridge (Plumas County, California)
Built 1936
Through truss bridge over North Fork Feather River on CA 70
Open to traffic

North Fork Feather River Bridge (Plumas County, California)
Built 1936
Through truss bridge over North Fork Feather River on CA 70 at Rock Creek
Open to traffic

North Fork Goose Creek Bridge (Loudoun County, Virginia)
Bridge remodeled in 2004
Pony truss bridge over North Fork Goose Creek on Shelburn Glebe Road
Replaced by a new bridge

North Fork Hughes River Bridge (Ritchie County, West Virginia)
Built 1937
Pony truss bridge over North Fork Hughes River on CR 31/4 in Cairo
Open to traffic

North Fork Hughes River Bridge (Ritchie County, West Virginia)
Built 1925
Through truss bridge over North Fork Hughes River on WV 31 in Cairo
Open to traffic

North Fork IN 46 Bridge (Brown County, Indiana)
Built 1928; rehabilitated 1974
Concrete arch bridge over North Fork Salt Creek on IN 46 in Nashville
Open to traffic

North Fork Little River Bridge (Christian County, Kentucky)
Built 1904
Stone arch bridge over North Fork Little River on West 7th Street
Open to traffic

North Fork Maquoketa River Bridge (Dubuque County, Iowa)
Built ca. 1920
Through truss bridge over North Fork Maquoketa River on Christoph Road
Open to traffic

North Fork of Red River Bridge (Logan County, Kentucky)
Built 1933
Concrete tee beam bridge over North Fork of Red River on Us-431
Open to traffic

North Fork Prairie Creek Bridge CR 300 E (Old) (Daviess County, Indiana)
Built ca. 1910; rehabilitated 1988, replaced 2003
Lost Through truss bridge over North Fork Prairie Creek on CR 300 East
Replaced by a new bridge

North Fork Quartz Creek Bridge (Clatsop County, Oregon)
Built 1939
Steel stringer bridge over North Fork Quartz Creek on U.S. 26
Open to traffic

North Fork Spring River Bridge (Barton County, Missouri)
Built 1923; rehabilitated 1947
Steel stringer bridge over North Fork Spring River on Southbound I-49/US 71
Open to traffic

North Fork Spring River Overflow Bridge (Barton County, Missouri)
Built 1947; parallel northbound bridge built 1976
Concrete bridge over North Fork Spring River Overflow on Southbound I-49/US 71
Open to traffic

North Fork Stillaguamish River Bridge (Snohomish County, Washington)
Built 1966
Steel through arch bridge over North Fork Stillaguamish River on WA 530
Open to traffic

North Fork Wheeling Creek Bridge (Greene County, Pennsylvania)
Built 1930
Concrete arch bridge over North Fork Wheeling Creek on PA 21
Open to traffic

North Fork Yachats River Covered Bridge 37-21-08 (Lincoln County, Oregon)
Built 1938
Covered Queenpost truss bridge over North Fork Yachats River on N. Yachats River Road
Open to traffic

North Grand Island Bridge (NB) (Erie County, New York)
Built 1935; rehabilitated 1990
Deck truss bridge over Niagara River on I-190 in Niagara Falls
Open to traffic

North Hickory Canal Bridge (Wayne County, Michigan)
Built 1936
Slab bridge over N Hickory Canal on East River Road
Open to traffic

North Lombard Street Bridge (Multnomah County, Oregon)
Built 1909
Warren deck truss bridge over the BNSF Railroad on N. Lombard St. in Portland
Open to traffic

North Main Street Bridge (Jasper County, Missouri)
Built 1934; rehabilitated 1987
Concrete tee beam bridge over KCS Railroad and Joplin Creek on MO 43 in Joplin
Open to traffic

North Main Street Bridge (Ste. Genevieve County, Missouri)
Built ca. 1940
Concrete tee beam bridge over North Fork Gabouri Creek on N. Main Street
Open to traffic

North Pacolet River Bridge (Polk County, North Carolina)
Built 1952
Concrete tee beam bridge over North Pacolet River on Nc108
Open to traffic

North Park Road Bridge (Stephenson County, Illinois)
Built 1919
Concrete tee beam bridge over Yellow Creek on North Park Road
Open to traffic

North Platte River Bridge (Carbon County, Wyoming)
Built 1929
Camelback through truss bridge over North Platte River on CT395-3 in Saratoga
Open to traffic

North Presa Street Bridge (Bexar County, Texas)
Built 1925 by the McKenzie Construction Co. and the Houston Structural Steel Co.; reduced to two lane traffic in the 1980's
Pony truss bridge over San Antonio River on N. Presa Street in San Antonio
Open to traffic

North Reed Avenue Bridge (Carroll County, Ohio)
Built 2005
Pony truss bridge over Big Sandy Creek on North Reed Avenue
Open to traffic

North River CR 175 Bridge (Marion County, Missouri)
Built ca. 1910
Through truss bridge over North River on CR 175
Open to traffic

North Road Bridge (Oxford County, Maine)
Built 1921; rehabilitated 1991
Through truss bridge over Androscoggin River on North Road in Gilead
Open to traffic

North Rock Creek Bridge (Mitchell County, Kansas)
Built 1934
Stone arch bridge over North Rock Creek, 2.0 mi. north and 4.4 mi. east of Hunter
Open to traffic

North Santiam River Bridge (Linn County, Oregon)
Built 1934; rehabilitated 1960
Parker through truss bridge over Santiam River on OR 22 Connector in Mill City
Open to traffic

North Shepherd Drive Bridge (Harris County, Texas)
Built 1929; rehabilitated 1996
Concrete tee beam bridge over White Oak Bayou on N Shepherd Drive
Open to traffic

North Skunk River Bridge (Mahaska County, Iowa)
Built 1920
Pinned Parker through truss bridge over North Skunk River on CR G13/110th Street
Open to traffic

North Spring Street Bridge (Los Angeles County, California)
Built 1928; Rehabilitated 1939; Seismic upgrade 1992
Concrete arch bridge over Los Angeles River on North Spring Street in Los Angeles
Open to traffic

North St. Mary's Street Bridge (N) (Bexar County, Texas)
Built 1915; rehabilitated 1950
Concrete tee beam bridge over San Antonio River on N Saint Marys Street
Open to traffic

North St. Mary's Street Bridge (S) (Bexar County, Texas)
Built 1925
Concrete tee beam bridge over San Antonio River on N Saint Marys Street
Open to traffic