There are 3,989 bridges in this category · Only showing 2,733 bridges with photos
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NR-eligible

NS - New River Bridge (Scott County, Tennessee)
Built 1963 to bypass Robbins Tunnel (T15) and several fault lines on old railroad
Warren deck truss bridge over New River on Cincinnati Southern (Norfolk-Southern) Railroad
Open to traffic

NS - Rocky River Bridge (Cuyahoga County, Ohio)
Built 1909
Open-spandrel arch bridge over Rocky River on Norfolk Southern Railway
Open to traffic

Nueces River Bridge (La Salle County, Texas)
Built 1938
Steel stringer bridge over Nueces River on I-35 Bus Loop
Open to traffic

NWP - Healdsburg Bridge (Sonoma County, California)
Built 1921 to replace earlier timber bridge
Subdivided Warren through truss bridge over Russian River on Northwestern Pacific Railroad
Closed

NY28A Ashokan Spillway Bridge (Ulster County, New York)
Built 1912; rehabilitated 1975
Open-spandrel arch bridge over Ashokan Spillway on NY 28A
Open to traffic

NY299 Wallkill River Bridge (Ulster County, New York)
Built 1940; rehabilitated 1990
Through truss bridge over Wallkill River on NY 299 in New Paltz
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

NYC - Hojack Swing Bridge (Monroe County, New York)
Built 1905
Lost Warren through swing bridge over Genesee River
Removed but not replaced

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

O'Donnell Lane Bridge (Sonoma County, California)
Built 1900, reconditioned unknown later date
Stone arch bridge over Calabazas Creek on O'Donnell Lane in Glen Ellen
Open to traffic

O'Neal Bridge (Independence County, Arkansas)
Built ca. 1933, possibly by the Works Progress Administration
Small five-span closed-spandrel arch bridge over O'Neal Creek on O'Neal Road (CR 37)
Open to traffic

Oak Street Bridge (Du Page County, Illinois)
Built ca. 1910
Girder bridge over the BNSF Railroad on Oak Street in Hinsdale
Demolished and replaced by new bridge

Oak Street Overpass (Strafford County, New Hampshire)
Built 1890; Reconstructed 1928
Warren pony truss over STRR on Oak Street
Open to traffic

Oakalla Covered Bridge 14-67-10 (Putnam County, Indiana)
Built 1898
Covered bridge over Big Walnut Creek on CR 375W
Open to traffic

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

Ocean Highway Grassy Sound Bridge (Cape May County, New Jersey)
Built 1939
Bascule bridge over Grassy Sound on Ocean Highway (CR 619)
Open to traffic

Ocean Highway Middle Thorofare Bridge (Cape May County, New Jersey)
Built 1939
Bascule bridge over Middle Thorofare on Ocean Highway (CR 621)
Open to traffic

Oceanic Bridge (Monmouth County, New Jersey)
Built 1939; rehabilitated 1970
Bascule bridge over Navesink River on CR 8A in Rumson
Open to traffic

Ogden Avenue Bridge (Hudson County, New Jersey)
Built 1905
Concrete arch bridge over Holland Avenue (Abandoned) on Ogden Avenue in Jersey City
Open to traffic

OH-424 Benien Creek Bridge (Henry County, Ohio)
Built 1850
Stone arch bridge over Benien Creek on OH 424
Open to traffic

OH-424 Garrett Creek Bridge (Henry County, Ohio)
Built 1900
Stone arch bridge over Garrett Creek on OH 424 in Napoleon
Open to traffic

OH-424 Oberhaus Creek Bridge (Henry County, Ohio)
Built ca. 1842
Stone arch bridge with pony truss addition over Oberhaus Creek on OH 424 in Napoleon
Open to traffic

Ohio Brush Creek OH 348 Bridge (Adams County, Ohio)
Built 1924 by the Champion Bridge Co.; rehabilitated 1996
Through truss bridge over Ohio Brush Creek on OH 348
Closed to all 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. over Forest Avenue Bridge (Allegheny County, Pennsylvania)
Built 1930
Concrete arch bridge over Forest Avenue on Ohio River Blvd. in Ben Avon
Open to traffic

Ohio Street Bridge (Will County, Illinois)
Built 1912
Arch bridge over Spring Creek on Ohio Street, .125 mi. north of Jackson St
Open to traffic

Ohl Street Bridge (Mercer County, Pennsylvania)
Built 1909 by Canton Bridge Co.; rehabilitated 1980
Through truss bridge over Shenango River on Ohl Street in Greenville
Closed to all traffic; awaiting replacement

Oil Creek Bridge (Venango County, Pennsylvania)
Built 1888 by Massillon Bridge Co.
Through truss bridge over Oil Creek on TR 635 (Miller Farm Road)
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

Okabena Creek Bridge (Jackson County, Minnesota)
Built 1905; relocated to this spot and rehabilitated 1938; closed to traffic in 1990
Pony truss bridge over Okabena Creek on CR 187
Closed to all traffic

Okabena Creek Bridge (Jackson County, Minnesota)
Built 1917
Concrete pony/through girder bridge over Okabena Creek on 340th Ave., 0.3 miles N of CSAH 18
Open to traffic but plans are in the making to replace this structure before 2017

Old Airport Bridge (Williamson County, Texas)
Built 1922; Bypassed by new bridge in 1987
Through truss bridge over Berry Creek on CR 190 (Airport Rd) in Georgetown
Closed to all 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 Bridge Street Bridge (Hillsborough County, New Hampshire)
Built 1920; rehabilitated 1998
Stone arch bridge over Beaver Brook on Old Bridge Street in Pelham
Open to traffic

Old Burton's Ferry Bridge (Screven County, Georgia)
Built 1938
Parker through truss bridge over Savannah River on U.S. 301 / Burton's Ferry Highway
Derelict/abanoned

Old Cane River Lake Bridge (Natchitoches Parish, Louisiana)
Built 1912; replaced 1980
Pratt through truss bridge over Cane River Lake on former LA 119
Intact but closed to all 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 Central Holston Bridge (Sullivan County, Tennessee)
Built 1903 by the Cope Bridge Company; Closed in 1983
Abandoned Camelback and Pratt through truss bridge over South Fork Holston River
Abandoned

Old Clifton Mills Road Bridge (Preston County, West Virginia)
Built 1884 by the Wrought Iron Bridge Co.
Through truss bridge over Big Sandy Creek on CR 8/4
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 Federal Road Bridge (Murray County, Georgia)
Built 1918
Pony truss bridge over Mill Creek on Old Federal Road in Eton
Closed

Old Forge Bridge (York County, Pennsylvania)
Built 1887; rehabilitated ca. 1975
Through truss bridge over Yellow Breeches Creek on TR 968 (Sheepford Road)
Open to traffic

Old Forge Bridge (Essex County, New York)
Built 1901 by Canton Bridge Co; Closed c.1990
Pin connected Pratt pony truss bridge over Boquet River on Old Forge Road
Intact but closed to all traffic

Old Forge Road Bridge (Washington County, Maryland)
Built 1863; rehabilitated 1981
Stone arch bridge over Antietam Creek on Old Forge Road
Open to traffic

Old Grassy Creek Bridge (Grimes County, Texas)
Built in 1934 by the Texas Highway Dept. in conjunction with the U.S. Bureau of Public Roads
Stringer bridge over Grassy Creek on Former SH 105
Intact but closed to all traffic

Old Gravel Pike Bridge near Zieglerville, PA (Closed) (Montgomery County, Pennsylvania)
Built 1915
Stone arch bridge over Swamp Creek on Old Gravel Pike in Lower Frederick Twp near Zieglerville, PA
Closed to all traffic

Old Highway 66 Bridge (Warrick County, Indiana)
Built 1941, Rehabilitated in 2013-14
Two span Parker through truss bridge over Little Pigeon Creek on Old Highway 66
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 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 IL 127 Beaver Creek Bridge (Bond County, Illinois)
Built 1932, bypassed by an modern bridge in 1966.
Abandoned bridge over Beaver Creek on Former State Route 127 in Greenville
Abandoned

Old IL 15 Bridge (Wayne County, Illinois)
Built 1921
Slab bridge over Branch of White Oak Slough on Old IL 15
Open to traffic

Old IL 15 Bridge (Wayne County, Illinois)
Built 1923
Concrete pony/through girder bridge over a tributary of Big Mound Drainage Ditch on abandoned IL 15 just West of Fairfield
Open to traffic, but road ends immediately west of the bridge

Old IL121 Mackinaw River Bridge (Tazewell County, Illinois)
Built 1932; rehabilitated 1971
Through truss bridge over Mackinaw River on Old IL 121 NW of Hopedale
Open to traffic

Old IL78 Indian Creek Bridge (Morgan County, Illinois)
Built 1929, IL78 bypassed with new bridge in 2005
Concrete slab bridge over Indian Creek on abandoned alignment IL 78, 0.2 mi. south of Cass Co Line
Open to traffic

Old Keokuk-Hamilton Bridge (Lee County, Iowa)
Built in 1917, Roadway deck Service Discontinued 1985
Through truss bridge over Mississippi River on Keokuk Junction Railway
Open to rail traffic only. The upper deck on the Iowa side has been converted to an observation deck; the upper deck on the Illinois side is closed to traffic. Roadway traffic has been shifted to the 1985 beam span to the southwest of the bridge

Old Knox Station Bridge (Knox County, Illinois)
Built 1928
Concrete girder bridge over Court Creek on Knox Cty 825E, 1 mi. east of Galesburg
Open to traffic

Old Lane Branch Road Bridge (Lincoln County, Tennessee)
Built 1926, replacement bridge built in 1981 but county left the old bridge in place.
Stone arch bridge over Lane Branch on an abandoned portion of Lane Branch Road
Closed to all traffic

Old Lincoln Highway Bridge (Bucks County, Pennsylvania)
Built 1921
Concrete arch bridge over Neshaminy Creek on Old Lincoln Highway at Neshaminy Falls
Open to one-way traffic southbound

Old Macon Road Bridge (Putnam County, Georgia)
Built 1938
Concrete arch bridge over Little River on Old Macon Road
Open to traffic

Old Manor Road Bridge (Travis County, Texas)
Built 1925
Warren pony truss bridge over Walnut Creek on Old Manor Road in Austin
Open to traffic

Old McDade Road Bridge (Bastrop County, Texas)
Built 1922
Pony truss bridge over Big Sandy Creek on Old McDade Road
Open to traffic

Old Mill Rd. White Deer Hole Creek Bridge (Union County, Pennsylvania)
Built 1889; rehabilitated 1994
Through truss bridge over White Deer Hole Creek on Old Mill Rd.
Open to traffic

Old Mill Street Bridge (Merrimack County, New Hampshire)
Built c. 1910; Bypassed & abandoned 1967
2 span Warren pony truss with no verticals bridge over Warner River on Abandoned Road
Closed

Old National Road Bridge (Vigo County, Indiana)
Built 1919
Concrete arch bridge over Clear Creek on Old National Road
Open to traffic

Old OK 18W Arkansas River Bridge (Pawnee County, Oklahoma)
Built 1927
Through truss bridge over Arkansas River on 5902C
Open to traffic

Old Paper Mill Bridge (Baltimore County, Maryland)
Built 1922; bypassed 2000; rehabilitated in 1968 and again as historic landmark in 2007
Bridge over Loch Raven Reservoir (Gunpowder Falls) on an old alignment of Paper Mill Rd
Closed to all traffic

Old Railroad Road Bridge (McLennan County, Texas)
Built 1920
Pony truss bridge over Snake Creek on Old Railroad Road
Open to traffic

Old Red Covered Bridge 14-26-01 (Gibson County, Indiana)
Built 1875 by William T. Washer
Covered bridge over Big Bayou on Barnes Road
Bypassed 1976; Open to pedestrians

Old River Bridge (San Joaquin County, California)
Built 1915; rehabilitated 1978
Swing bridge over Old River on CA 4 in Discovery Bay
Open to traffic

Old Rockville Road Bridge (Hendricks County, Indiana)
Built 1875 by the Columbia Bridge Works
Whipple through truss bridge over White Lick Creek on a pedestrian trail (former Broyles Road) in Avon
Open to pedestrians

Old Rothrock Mill Bridge/Indian Creek Trail Bridge (Harrison County, Indiana)
Built 1915; relocated in 2011-12 to a pedestrian trail over Indian Creek in the Hayswood Nature Preserve
Through truss bridge Through truss bridge relocated (from CR 30 over the Blue River) for a pedestrian trail over Indian Creek in the Hayswood Nature Preserve
Open to pedestrians only

Old Route 66 Bridge (San Miguel County, New Mexico)
Built 1921
Parker through truss bridge over Pecos River on an old alignment of US 66 (pre 1937 alignment)
Closed to all traffic

Old Rugby Bridge (Morgan County, Tennessee)
Built 1920
Warren pony truss bridge over White Oak Creek formerly on State Highway 52
Closed to all traffic

Old Selbysport Road Bridge (Garrett County, Maryland)
Built 1920, probably by the Luten Bridge Co.
Concrete arch bridge over Bear Creek on Old Selbysport Road in Friendsville
Open to traffic

Old Sonoma Road Bridge (Napa County, California)
Built 1896; rehabilitated 1914
Stone arch bridge over Carneros Creek on Old Sonoma Road in Napa
Open to traffic

Old SR 303 Wabash River Bridge (Wells County, Indiana)
Built ca. 1930
Through truss bridge over Wabash River on CR 300 West
Deck is repaired and bridge has been repainted

Old State Highway Bridge (Hampden County, Massachusetts)
Built 1910, replaced 2009-2011
Concrete arch bridge over West Branch Westfield River on Old State Highway in Chester
Replaced by a new bridge

Old State Road Bridge (St. Lawrence County, New York)
Built 1929
Open-spandrel arch bridge over Oswegatchie River on Old State Road
Intact but closed to all traffic

Old Stone Arch Bridge (Cheshire County, New Hampshire)
Built 1848; Rehabilitated 1923; Bypassed 1950
Stone arch bridge over Ashuelot River on Bypassed Historic in Keene
Open to pedestrians only

Old Toccoa River Bridge (Fannin County, Georgia)
Original bridge built 1911, and was actually replaced by this bridge around 1938.
Camelback truss bridge over Toccoa River on Old GA 5 in McCaysville
Open to traffic

Old Town Bridge #2 (Gallatin County, Montana)
Built 1894; rehabilitated 1984
Through truss bridge over Jefferson River on CR 201
Open to traffic

Old Town Bridge #3 (Gallatin County, Montana)
Built 1894
Through truss bridge over Jefferson River on CR 419
Open to traffic

Old Trails Road Bridge (Mohave County, Arizona)
Built 1917
Slab bridge over Old Trails Wash on Old Trails Road
Open to traffic

Old US 36 Viaduct (Doniphan County, Kansas)
Concrete through girder bridge over abandoned UP/CRI&P railroad grade
Open to traffic, posted

Old US 66 Gasconade River Bridge (Laclede County, Missouri)
Built 1922-24
Four-spans - 1 Warren Pony truss, 1 Pratt & 2 Parker through truss bridge over Gasconade River on Old US 66 near Hazelgreen.
Intact but closed to all traffic.

Old US123 Tugaloo River Bridge (Oconee County, South Carolina)
Built 1940, middle span dismantled and reassembled as the Cobb Bridge in 1962 when new U.S. 123 bridge was built..
Camelback through truss bridge over Tugaloo River
Open to pedestrians

Old US24 Bad Creek Bridge (Henry County, Ohio)
Built 1900
Two-span stone arch bridge over Bad Creek on US 24
Open to traffic

Old US24 Belly Creek Bridge (Henry County, Ohio)
Built 1850
Stone arch bridge over Belly Creek on OH 24
Open to traffic

Old US24 Dry Creek Bridge (Henry County, Ohio)
Built ca. 1900
Stone arch bridge over Dry Creek on US 24
Open to traffic

Old US70 Caney Creek Bridge (Pike County, Arkansas)
Built 1928; made obsolete by a new bridge in 1971
Open-spandrel arch bridge over Caney Creek on CR 721 (Old US 70)
Open to traffic

Old Webb Mill Road Bridge (Nash County, North Carolina)
Built 1921
Camelback through truss bridge over Tar River on Old Webbs Mill Road
Closed to all traffic

Old Williams Road Bridge (Allegany County, Maryland)
Built 1910; rehabilitated 1977
Pratt pony truss bridge over Town Creek on Old Williams Road
Closed to all traffic

Oldenburg Water Street Bridge (Franklin County, Indiana)
Built 1929
Concrete tee beam bridge over Harvey Branch on Water Street
Open to traffic

Oldham Bridge (Somerset County, Pennsylvania)
Built 1908
Pony truss bridge over Clear Shade Creek on TR 816 (Crum Road)
Open to traffic

Oldmans Creek Bridge (Salem County, New Jersey)
Built 1936; altered 1968ca; rehabilitated 1996
Vertical lift bridge over Oldmans Creek on US 130
Open to traffic

Olena Road Bridge (Arkansas County, Arkansas)
Built 1936
Small arch bridge over a drainage ditch on Olena Road (CR 402)
Open to one-lane traffic

Olentangy River CR 141E (St. James Rd.) Bridge (Marion County, Ohio)
Built earlier over Scioto River and moved to this location 1937; rehabilitated 1987, disassembled and replaced late 2015/early 2016
Through truss bridge over Olentangy River on CR 141E (St. James Rd.)
In storage or disassembled