There are 7,984 bridges in this category · Only showing 4,127 bridges with photos
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Functionally obsolete

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 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 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

North Torrey Pines Bridge (San Diego County, California)
Built 1933; major restoration in 2012
Concrete tee beam bridge over Mtdb, Bnsf Ry, & Amtrak on N Torrey Pines Road
Open to traffic; major renovation in 2012

North Tyger River Bridge (Spartanburg County, South Carolina)
Built 1940; rehabilitated 1978
Stringer bridge over North Tyger River on S-42-64
Open to pedestrians only

North Union Street Overpass (Dauphin County, Pennsylvania)
Built 1950 by the PTC
Concrete frame bridge on PA Route 441 over the PA Turnpike
Open to traffic

North Wayneport Road Bridge (Wayne County, New York)
Built 1912; rehabilitated 1965
Through truss bridge over Erie Canal on North Wayneport Road
Open to traffic

North Yamhill River Bridge (Yamhill County, Oregon)
Built 1921
Warren deck truss bridge over North Yamhill River on Southbound OR 99W
Open to traffic

Northfield Falls Covered Bridge 45-12-08 (Washington County, Vermont)
Built 1872; rehabilitated 1969
Covered Town Lattice bridge over Dog River on Cox Brook Road (C2003) in Northfield Falls
Open to traffic

Norwood Avenue Bridge (Marin County, California)
Built 1908
Concrete arch bridge over Ross Creek on Norwood Avenue in Ross
Open to traffic

Nose Rock Wash Bridge (McKinley County, New Mexico)
Built 1977
Pony truss bridge over Nose Rock Wash on CR 43
Open to traffic

Nowlin Creek Bridge (Pulaski County, Arkansas)
Built 1948
Steel stringer bridge over Nowlin Creek on Sh 10 Log 14.11
Open to traffic

Noxon Bridge (Sanders County, Montana)
Built 1922, Reconstructed 1998,
Parker through truss bridge over Clark Fork River on Klakken Road
Open to traffic

Nppd Tailrace Canal Bridge (Lincoln County, Nebraska)
Built 1935
Concrete rigid frame bridge over Nppd Tailrace Canal on East State Farm Road
Open to traffic

Ns (Cno&Tp) System Bridge (Jessamine County, Kentucky)
Built 1940
Concrete tee beam bridge over Ns (Cno&Tp) System on Ky-169
Open to traffic

Nueces River Bridge (Uvalde County, Texas)
Built 1933; rehabilitated 1935
Through truss bridge over Nueces River on Eastbound US 90B
Open to traffic

Nutting Creek Bridge (Fayette County, Iowa)
Built 1909
Concrete arch bridge over Nutting Creek on Granite Road (Granite Rd)
Open to traffic

Nutting Road Bridge (Cheshire County, New Hampshire)
Built 1905
Stone arch bridge over Contoocook River on Nutting Road in Jaffrey
Open to traffic

Nutting Road Bridge (Cheshire County, New Hampshire)
Built 1905
Stone arch bridge over Contoocook River on Nutting Road in Jaffrey
Open to traffic

NY 35 Bridge (Westchester County, New York)
Built 1910
Concrete arch bridge on NY 35
Open to traffic

NY213 Rondout Creek Bridge (Ulster County, New York)
Built 1931; rehabilitated 1986
Through truss bridge over Rondout Creek on NY 213 in Stone Ridge
Demolished

NY30A Erie Barge Canal Bridge (Montgomery County, New York)
Built 1989
Modern polygonal Warren through truss bridge over Erie Barge Canal on Rte 30a
Open to traffic

NY436 Genesee River Bridge (Livingston County, New York)
Built 1920; rehabilitated 1968
Concrete arch bridge over Genesee River on NY 436
Open to traffic

NY5S Schoharie Creek Bridge (Montgomery County, New York)
Built 1910 by Fort Pitt Bridge works; Abandoned 1981; Converted for emergency Highway use 1987; Converted to pedestrian path 1988; Rehabilitated for permanent highway use 2015
Baltimore through truss bridge over Schoharie Creek on NY 5S
Open to highway traffic; RR line abandoned

NY74 Schroon River Bridge (Essex County, New York)
Built 1936; rehabilitated 1983
Warren pony truss bridge over Schroon River on NY 74
Open to traffic

NYS Rt 21- NS RR (Replacement) (Steuben County, New York)
Stringer bridge over NS RR, Creek on NYS 21


O'Connor Bridge (Carroll County, Indiana)
Built 1901
Stone arch bridge over Old Erie Canal on Washington Street in Delphi
Open to traffic

O'Neal Bridge (Colbert County, Alabama)
Built 1939
Cantilevered Warren through truss bridge over Tennessee River on US 43 between Florence and Sheffield
Open to traffic

Oak Creek Mill Road Bridge (Milwaukee County, Wisconsin)
Built 1931; Closed to traffic for flood damage 6/08; Repaired-Reopened 8/08;
Concrete arch bridge over Oak Creek on Mill Road in South Milwaukee
Open to traffic after repair of flood damage

Oak Knoll Ave (Napa County, California)
Built 1930
Concrete tee beam bridge over Napa River on Oak Knoll Avenue
Open to traffic

Oak Knoll Avenue Bridge (Napa County, California)
Built 1910
Stone arch bridge over Napa River Overflow on Oak Knoll Avenue
Open to traffic

Oak Park Blvd Overpass (San Luis Obispo County, California)
Built 1956; Replaced 1993
Lost Slab bridge over US 101 on Oak Park Blvd
Replaced by a new bridge

Oak Street Bridge (Garrett County, Maryland)
Built 1921
Concrete arch bridge over Little Youghiogheny River on MD 39 in Bethel
Open to traffic

Oak Viaduct (Jackson County, Missouri)
Built 1930; rehabilitated (and probably widened) 1990
Deck plate girder bridge over KCT Railway on Oak Street
Open to traffic

Oakland Bridge (Douglas County, Oregon)
Built 1925
Deck truss bridge over Calapooya Creek on Shady Highway in Oakland
Open to traffic

Oakland Park Blvd. Bridge (Broward County, Florida)
Built 1955
Bascule bridge over Intracoastal Waterway on Oakland Park Blvd. in Fort Lauderdale
Open to traffic

Oakwood Avenue Bridge (Waukesha County, Wisconsin)
Built 1928, Replaced 2007
Lost stringer bridge over Fowler Lake on Oakwood Avenue in Oconomowoc
Replaced by new bridge

Oat Creek Bridge (Henry County, Illinois)
Built 1910
Slab bridge over Oat Creek on E 1700th St 2.5 Mi ESE of Geneseo
Open to traffic

Obed Bridge (Navajo County, Arizona)
Built 1912; rehabilitated 1978, replaced 2010
Lost Pratt pony truss bridge over Little Colorado River on Obed Road
Replaced by new bridge

Obion Creek KY 58 Bridge (Hickman County, Kentucky)
Built 1928
Pony truss bridge over Obion Creek on KY 58
Open to traffic

Ocean Highway Bridge (Chatham County, Georgia)
Built 1939
Concrete tee beam bridge over Norfolk Southern RR on Ocean Highway
Replaced by a new bridge

Ocean to Ocean Highway Bridge (Yuma County, Arizona)
Built 1914; rehabilitated 1943; rehabilitated again in 2002.
Through truss bridge over Colorado River on Penitentiary Avenue
Open to traffic

Ochwalkee Creek Bridge (Wheeler County, Georgia)
Built 1933
Concrete tee beam bridge over Ochwalkee Creek on US 280
Open to traffic

Oconomowoc River Bridge (Waukesha County, Wisconsin)
Built 1916
Concrete arch bridge over Oconomowoc River on WI 83
Open to traffic

Oconomowoc River Bridge (Waukesha County, Wisconsin)
Built 1910
Concrete arch bridge over Oconomowoc River on West Second Street in Oconomowoc
Open to traffic

Ogden Street Bridge (Marinette County, Wisconsin)
Built 1973
Bascule bridge over Menominee River on Ogden Street in Marinette / 1st Street in Menominee
Open to traffic

OH-143 Bridge (Meigs County, Ohio)
Built 1924
Concrete curved chord through girder bridge over Thomas Fork on OH-143
Open to traffic

OH193 Ashtabula River Bridge (Ashtabula County, Ohio)
Built 1931 by C.P. Smith and D.H. Overman
Arch bridge over Ashtabula River on OH 193
Open to traffic

Ohio River Back Channel Bridge (Pleasants County, West Virginia)
Built 1928
Through truss bridge over Ohio River Back Channel on CR 2/10 in St. Marys
Open to traffic

Ohio River Blvd. Bridge (Allegheny County, Pennsylvania)
Built ca. 1875
Stone arch bridge over Ferry Street on Ohio River Blvd. in Sewickley
Open to traffic

Oil Creek CR 119 Bridge (Perry County, Indiana)
Built 1948
Pony truss bridge over Oil Creek on CR 119
Open to traffic

Ojalla Bridge (Lincoln County, Oregon)
Built 1946
Parker through truss bridge over Siletz River on OR 229
Open to traffic

Okanogan River Bridge (Okanogan County, Washington)
Built 1924 by the Union Bridge Company
Concrete arch bridge over Okanogan River on Central Avenue (WA 155 Spur) in Omak
Open to traffic

Okatibbee Creek Bridge (Lauderdale County, Mississippi)
Built 1926
Pony truss bridge over Okatibbee Creek on Old US 80 in Meridian
Open to traffic

Okeechobee Rim Canal Bridge (Palm Beach County, Florida)
Built 1935
Swing bridge over Okeechobee Rim Canal on CR 717
Open to traffic

Okoboji Bridge (Dickinson County, Iowa)
Built 1929; rehabilitated 1979 and 1997; Previous structure was a pony truss bridge and before that, a series of wooden swing spans.
Canitlevered Concrete deck girder bridge over Okoboji Lake on US 71 & IA 9 in Okoboji
Open to traffic

Ola Overpass (Yell County, Arkansas)
Built 1949
Steel stringer bridge over Little Rock Western on SH 7 in Ola
Open to traffic

Old 35 Willis Creek Bridge (Polk County, Texas)
Built 1955
Slab bridge over Willis Creek on Old Highway 35 N
Open to traffic

Old AL 5 Bridge (Marion County, Alabama)
Built 1927; Bypassed by new bridge in 1998
Open-spandrel arch bridge over Bear Creek on an old alignment of AL 5 (AL 13)
Closed to all traffic

Old Austin Highway Bridge (Gillespie County, Texas)
Built 1922 by the El Paso Bridge & Iron Co.
Pony truss bridge over Three Mile Creek on Old Austin Highway in Stonewall
Open to traffic

Old Bethlehem Pike Bridge (Montgomery County, Pennsylvania)
Built 1934
Concrete arch bridge over Willow Run on PA 2018 (Bethlehem Pike) in Spring House
Open to traffic

Old Brownsville Bridge (Washington County, Pennsylvania)
Built 1914; rehabilitated 1987
Through truss bridge over Monongahela River in West Brownsville
Open to traffic

Old Cannons Lane Bridge (Jefferson County, Kentucky)
Built ca. 1960
Concrete arch bridge over Middle Fork Beargrass Creek on Old Cannons Lane in Louisville
Open to traffic

Old Cascade Highway Bridge (King County, Washington)
Built 1922
Pratt through truss bridge over Miller River on Old Cascade Highway
Closed due to flood damage

Old Chain of Rocks Canal Highway Bridge (Madison County, Illinois)
Built 1949; rehabilitated 1999
Through truss bridge over Chain of Rocks Canal on Old Chain of Rocks Road (at one time US 66) just south of I-270 in Granite City
Open to one-lane highway traffic with a dedicated bike lane

Old Channel Cow Creek Bridge (Rice County, Kansas)
Built ca. 1920
Pony truss bridge over Old Channel Cow Creek, 1.5 mi. south and 9.6 mi. east of Sterling
Open to traffic

Old Clay's Ferry Bridge (Fayette County, Kentucky)
Built 1871; rehabilitated 1955
Two-span through truss bridge over Kentucky River on KY 2328 (Old US 25) in Lexington
Open to traffic

Old Clinton Road Bridge (Hunterdon County, New Jersey)
Built 1901; rehabilitated 1991
Pony truss bridge over South Branch Raritan River on Sunnyside Road
Open to traffic

Old Coast Highway Bridge North (Monterey County, California)
Built 1950
Bailey truss bridge over North Fork Little Sur River on Old Coast Highway
Open to traffic

Old Coast Highway Bridge South (Monterey County, California)
Built 1950
Bailey truss bridge over South Fork Little Sur River on Old Coast Highway
Open to traffic

Old Dixie Highway Bridge (Gordon County, Georgia)
Built 1928, abandoned sometime after 2000 when road was rerouted at the intersection with US 41
Abandoned concrete tee beam bridge over Oothcaloga Creek Trib. on Old Dixie Highway
Abandoned

Old Dixie Highway Oothcaloga Creek Tributary Bridge (Bartow County, Georgia)
Built 1929
Concrete tee beam bridge over Oothcaloga Creek Trib. on Old Dixie Highway
Open to traffic

Old Elkahatchee Creek Bridge (Tallapoosa County, Alabama)
Built 1931; bypassed by new bridge in 2000
Concrete arch bridge over Elkahatchee Creek on AL 63
Closed to traffic

Old Elm Street Bridge (Forest County, Pennsylvania)
Built 1919; rehabilitated 1996
Concrete arch bridge over Tionesta Creek on Old Elm Street in Tionesta
Open to traffic

Old Gulph Road Bridge in Lower Merion Township (Montgomery County, Pennsylvania)
Built 1936 (Built 1818 Rebuilt 1894 according to builders plate on bridge
Concrete arch bridge over Mill Creek on Old Gulph Road in Lower Merion Township near Mill Creek Rd intersection
Open to traffic

Old Hagerstown Road Bridge (Frederick County, Maryland)
Built 1920; rehabilitated 1978; relocated to local golf course 1994
Pratt pony truss bridge originally over Little Catoctin Creek on Old Hagerstown Road
Relocated for reuse

Old Hershey Road Overpass (Dauphin County, Pennsylvania)
Built 1949 by the PTC
Pony/through plate girder bridge over PA Turnpike/I-76 on Old Hershey Road/T-602 in Elizabethtown
Open to traffic

Old Highway 79 over Whiteside Creek Bridge (Lincoln County, Missouri)
Steel stringer bridge over Whiteside Creek on Old Highway 79 (CR 925)
Open to traffic

Old Highway 84 Overpass (Thomas County, Georgia)
Built 1923
Concrete tee beam bridge over CSX Railroad on Old US 84
Open to traffic

Old Hwy 431 (Flint River Relief Bridge-Southern Unit) (Madison County, Alabama)
Built 1925
Concrete tee beam bridge over Flint River Relief on Old 431 Hwy
Open to traffic

Old Hwy 58 Salinas River Bridge (San Luis Obispo County, California)
Built 1914
Parker through truss bridge over Salinas River on Old Highway 58
Open to bicycles and pedestrians only

OLD HWY 79 over TRIB TO KINGS LK (Lincoln County, Missouri)
Bridge over Trib to King's Lake on Old Hwy 79
Open to traffic