There are 7,633 bridges in this category · Only showing 4,021 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.”

Snook's Covered Bridge 38-05-23 (Bedford County, Pennsylvania)
Built 1883; rehabilitated 1994
Covered bridge over Dunnings Creek on Fish Hatchery Rd (TR 578)
Open to traffic

Snyder Road Bridge (Lincoln County, Missouri)
Bridge over Spring Branch on Snyder Road
Open to traffic

So Main Street Bridge (Madison County, Kentucky)
Built 1954
Concrete culvert bridge over Brushy Fork Creek on South Main Street
Open to traffic

Soda Creek Bridge (Napa County, California)
Built 1910; rehabilitated 1955
Stone arch bridge over Soda Creek on CA 128
Open to traffic

Soda Creek Road Bridge (Shasta County, California)
Built 1960
Bailey truss bridge over South Fork Soda Creek on Soda Creek Road
Open to traffic

Sol Duc River Bridge (Clallam County, Washington)
Built 1941
Through truss bridge over Sol Duc River on US 101
Open to traffic

Soldier Creek Bridge (Osage County, Kansas)
Built ca. 1950
Pony truss bridge over Soldier Creek, 4.5 mi. west and 0.6 mi. south of Burlingame
Open to traffic

Soldiers Creek Bridge (Cotton County, Oklahoma)
Built 1931
Pony truss bridge over Soldiers Creek on OK 5 in Walters
Open to traffic

Soldiers Home Bridge (Hennepin County, Minnesota)
Built 1908
Steel arch bridge over Minnehaha Creek on Soldiers Road in Minneapolis
Open to pedestrians only

Soledad Canyon Road Santa Clara River Bridge (Mill Canyon) (Los Angeles County, California)
Built 1952
Steel stringer bridge over Santa Clara River on Soledad Cyn Road
Open to traffic

Soquel Drive Bridge (Santa Cruz County, California)
Built 1928
Concrete arch bridge over Aptos Creek on Soquel Drive in Aptos
Open to traffic

Sorlie Memorial Bridge (Polk County, Minnesota)
Built 1929
Through truss bridge over Red River on Business US 2 in East Grand Forks
Open to traffic

Sorrel Creek Bridge (Garland County, Arkansas)
Built circa 1920, Refurbished 1930
Small concrete arch bridge over Sorrel Creek on AR 7
Open to two-lane traffic

Soto Street Overpass (Los Angeles County, California)
Built 1936
Plate girder bridge over Mission Road/Huntington Drive on Soto Street in Los Angeles
Open to traffic

Soto Street Viaduct (Los Angeles County, California)
Built 1936
Steel stringer bridge over Valley Blvd/Sptco on Soto Street in Los Angeles
Open to traffic

Souhegan River Bridge (Hillsborough County, New Hampshire)
Built 1931
Stone arch bridge over Souhegan River on NH 13 in Milford
Open to traffic

South Andrews Avenue Bridge (Broward County, Florida)
Built 1981
Bascule bridge over New River on South Andrews Avenue in Fort Lauderdale
Open to traffic

South Avenue Bridge (Amador County, California)
Built 1925
Steel stringer bridge over South Fork Jackson Creek on South Avenue
Open to traffic

South Branch Little Wolf River Bridge (Waupaca County, Wisconsin)
Built 1907
Stone arch bridge over South Branch Little Wolf River on Mill Street in Scandinavia
Open to traffic

South Branch Roaring Creek Bridge (Northumberland County, Pennsylvania)
Built 1887 by the King Iron Bridge Co.; reconstructed 1983
Through truss bridge with steel arch reinforcement over South Branch Roaring Creek on TR 802
Closed to all traffic

South Broadway Bridge (Warren County, Ohio)
Built 1897 by the Emerson & Jones
Concrete arch bridge over Turtle Creek on South Broadway in Lebanon
Open to traffic

South Clinton Avenue Bridge (Mercer County, New Jersey)
Built 1890; rehabilitated 1983
Through truss bridge over Amtrak NE Corridor on South Clinton Avenue in Trenton
Open to traffic

South Cottonwood River Bridge (Marion County, Kansas)
Built ca. 1930
Pony truss bridge over South Cottonwood River on Goldenrod Road, 1.5 mi. west and 2.0 mi. south of Hillsboro
Open to traffic

South Deere Park Bridge (Lake County, Illinois)
Built in 1928, restored in 1994
Arch bridge over a small ravine on South Deere Park Drive in Highland Park
Open to traffic

South Dry Sac River Bridge (Greene County, Missouri)
Built 1928
Concrete bridge over South Dry Sac River on Farm Road 141 (Old MO 13)
Open to traffic

South Fabius River CR 159 Bridge (Marion County, Missouri)
Built ca. 1930; probably relocated or erected here to replace Pratt Thru Truss.
Through truss bridge over South Fabius River on CR 159
Open to traffic

South Fabius River CR 176 Bridge (Knox County, Missouri)
Built or relocated here ca. 1990
Pony truss bridge over South Fabius River on CR 176
Open to traffic

South Fork Beargrass Creek Bridge (Jefferson County, Kentucky)
Built 1926
Stone arch bridge over South Fork Beargrass Creek on Us-31e
Open to traffic

South Fork Beargrass Creek Bridge (Jefferson County, Kentucky)
Built 1956 as per NBI, but more than likely that was the year the bridge was widened for modern traffic
Stone arch bridge over South Fork Beargrass Creek on W Broadway/E Broad
Open to traffic

South Fork Bens Creek Bridge (Somerset County, Pennsylvania)
Built 1917
Concrete arch bridge over South Fork Bens Creek on PA 4016 in Jerome
Open to traffic

South Fork Big Nemaha River Bridge (Nemaha County, Kansas)
Built ca. 1930; replaced 1994
Lost through truss bridge over South Fork Big Nemaha River on a local road
Replaced by new bridge

South Fork Blue River IN 60 Bridge (Washington County, Indiana)
Built 1937
Concrete arch bridge over South Fork Blue River on IN 60 in New Pekin
Open to traffic

South Fork Blue River-Bowers Knob Rd. Bridge (Washington County, Indiana)
Built ca. 1930; replaced 1992
Lost concrete arch bridge over Blue River on Bowers Knob Road
Replaced by new bridge

South Fork Blue River-Lockenour Rd. Bridge (Washington County, Indiana)
Built 1927
Concrete arch bridge over South Fork Blue River on Lockenour Road
Open to traffic

South Fork Cumberland River KY 92 Bridge (McCreary County, Kentucky)
Built 1941
Deck truss bridge over South Fork Cumberland River on KY 92
Open to traffic

South Fork Fountain Creek Bridge (Maury County, Tennessee)
Built ca. 1930
Arch bridge over South Fork Fountain Creek on NFA A229
Open to traffic

South Fork Licking River KY 177 Bridge (Pendleton County, Kentucky)
Built 1936
Three-span through truss bridge over South Fork Licking River on KY 177 at Butler
Open to traffic

South Fork Mustang Creek Bridge (Lavaca County, Texas)
Built 1935
Pony truss bridge over South Fork Mustang Creek on CR 315
Open to traffic

South Fork New River Bridge (Broward County, Florida)
Built 1956
Bascule bridge over So. Fork New River on FL 84 in Fort Lauderdale
Open to traffic

South Fork Oats Creek Bridge (Jackson County, Arkansas)
Built ca. 1930; replaced 2005
Lost concrete arch bridge over South Fork Oats Creek on Bradford Road (CR 1)
No longer exists

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

South Fork Patoka River Bridge (Pike County, Indiana)
Built ca. 1920; replaced 1998
Lost through truss bridge over South Fork Patoka River on CR 300 E
Replaced by new bridge

South Fork Pine Creek Bridge (Armstrong County, Pennsylvania)
Built 1912; rehabilitated 1973
Pony truss bridge over South Fork Pine Creek on TR 529
Unknown status

South Fork Pottawatomie Creek Bridge (Anderson County, Kansas)
Built 1934
Concrete pony arch bridge over South Fork Pottawatomie Creek, 0.5 mi. south and 3.7 mi. east of Garnett
Replaced by a new bridge

South Fork Skykomish River Bridge (Snohomish County, Washington)
Built 1933
Through truss bridge over South Fork Skykomish River on US 2
Open to traffic

South Fork Solomon River Bridge (Osborne County, Kansas)
Built 1923
Through truss bridge over South Fork Solomon River, 2.5 mi. east of Alton
Open to traffic

South Fork Tenmile Creek Bridge (Greene County, Pennsylvania)
Built 1927; rehabilitated 1995
Concrete arch bridge over South Fork Tenmile Creek on PA 18
Open to traffic

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

South Fork Wildcat Creek US 421 Bridge (Clinton County, Indiana)
Built 1940; rehabilitated 1985
Pony truss bridge over South Fork Wildcat Creek on US 421
Open to traffic

South Fourche-Lefave River AR 7 Bridge (Perry County, Arkansas)
Built 1933 by McEachin and McEachin, Inc., of Little Rock
Two-span pony truss bridge over South Fourche-LeFave River on AR 7
Open to two-lane traffic

South Franklin Street Bridge (Crawford County, Pennsylvania)
Built 1939; rehabilitated 1981
Steel through arch bridge over Oil Creek on PA 8 (Franklin Street) in Titusville
Open to traffic

South G Street Bridge (Wayne County, Indiana)
Built 1932; rehabilitated 1990
Open-spandrel concrete arch bridge over Whitewater River on South G Street in Richmond
Open to traffic

South Gabouri Creek Bridge (Ste. Genevieve County, Missouri)
Built 1934, replacing an earlier through truss bridge
Concrete bridge over South Fork Gabouri Creek on Fourth Street in Ste. Genevieve, just beyond the end of MO 32
Open to two-lane traffic

South Grand Avenue Bridge (Pettis County, Missouri)
Built in 1889 at at another location, relocated here 1904
Two-span through truss bridge over Flat Creek on South Grand Avenue, south of Sedalia
Open to one-lane traffic

South Grand Boulevard at I-64 / U.S. 40 Bridge (St. Louis, Missouri)
Built 1954; rehabilitated 1982
Concrete tee beam bridge over eastbound I-64 / U. S. 40 and under westbound I-64 / U. S. 40 on South Grand Avenue in St. Louis
Open to traffic

South Grand Island Bridge (SB) (Erie County, New York)
Built 1935; rehabilitated 1963
Steel through arch bridge over Niagara River on I-190 (SB)
Open to traffic

South Greenfield Overpass (Dade County, Missouri)
Built 1924; replaced 1996
Lost Pratt through truss bridge over BNSF Railroad on Old MO 39
Replaced by new bridge

South Irvine Road Bridge (Estill County, Kentucky)
Built 1940
Steel rigid frame bridge over Station Camp Creek on KY-89
Open to traffic

South Kingshighway Boulevard MetroLink Overpass (St. Louis, Missouri)
Built 1937
Steel stringer bridge over the MetroLink on South Kingshighway Boulevard in St. Louis
Open to traffic

South Leighton Street Bridge (Hardin County, Ohio)
Built 1993
Pony truss bridge over Scioto River on South Leighton Street
Open to traffic

South Main Street Bridge (Winnebago County, Illinois)
Built 1905; rehabilitated 1961
Arch bridge over Kent Creek on South Main Street in Rockford
Open to traffic

South Main Street Bridge (Danville, Virginia)
Open-spandrel arch bridge
Open to traffic

South Market Street Overpass (Cumberland County, Pennsylvania)
Built 1950 by the PTC
Concrete rigid frame bridge over PA Turnpike/I-76 on PA Route 114 in Upper Allen Township
Open to traffic

South Mills Bridge (Camden County, North Carolina)
Built 1934
Bascule bridge over Dismal Swamp Canal on US 17
Open to traffic

South Park Road Bridge (Stephenson County, Illinois)
Built 1934
Concrete rigid frame bridge over Yellow Creek on S. Park Road
Open to traffic

South River Bridge (Warren County, Iowa)
Built ca. 1950
Through truss bridge over South River on 120th Avenue in Indianola
Open to traffic

South River CR 402 Bridge (Marion County, Missouri)
Built ca. 1930, replacing an earlier bridge
Pony truss bridge over South River on CR 402, east of Palmyra
Open to one-lane traffic

South Shepherd Drive Bridge (Harris County, Texas)
Built 1921; rehabilitated 1951
Concrete tee beam bridge over Buffalo Bayou on Shepherd Drive
Open to traffic

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

South Street Bridge (Rutland County, Vermont)
Built 1923 by Palmer Steel Co.; Rehabilitated 1975
Pratt through truss bridge over Poultney River on VT 31 in Poultney
Open to traffic

South Tenth Street Bridge (Allegheny County, Pennsylvania)
Built 1933; rehabilitated 1994
Suspension bridge over the Monongahela River on South Tenth Street in Pittsburgh
Open to traffic

South Timber Creek Bridge (Marshall County, Iowa)
Built 1954
Pratt Through truss bridge over South Timber Creek on 260th Street
Open to traffic

South Timberlake Road Bridge (Campbell County, Virginia)
Built 1932
Concrete arch bridge over Timberlake Spillway on South Timberlake Road in Timberlake
Open to traffic

South Umpqua River Bridge (Douglas County, Oregon)
Built 1925
Pennsylvania-Petit through truss bridge over South Umpqua River on Days Creek Cut-Off Road
Open to traffic

Southpointe Blvd. Bridge (Washington County, Pennsylvania)
Built 1990
Concrete stringer bridge over Chartiers Creek on Southpointe Blvd.
Open to traffic

Sowell Mill Bridge (Maury County, Tennessee)
Built 1925
Arch bridge over Duck River on Sowell Mill Pike (NFA 1903) in Columbia
Open to traffic

Spangler Road Bridge (Dearborn County, Indiana)
Built ca. 1920
Concrete arch bridge over Peter Creek on Spangler Road
Open to traffic

Spanglers Mill Bridge (Cumberland County, Pennsylvania)
Steel stringer bridge over Yellow Breeches Creek on Sr 2031
Open to traffic

Spanish River Boulevard Bridge (Palm Beach County, Florida)
Built 1971
Pair of bascule bridges over Intracoastal Waterway on Spanish River Blvd. in Boca Raton
Open to traffic

Sparks Road Bridge (Baltimore County, Maryland)
Built 1888; rehabilitated 1990
Pratt through truss (with added arch) over Gunpowder Falls on Sparks Road
Open to traffic

Spaulding Bridge (Windsor County, Vermont)
Built 1905; rehabilitated 2005
Pin connected Parker pony truss bridge over Black River on C2004 in Cavendish
Open to traffic

Speer Boulevard/Interstate 25 Overpass (Denver County, Colorado)
Built 1952
Concrete rigid frame bridge over I 25 Ml on Speer Blvd Sbnd
Open to traffic

Speer Boulevard/Little Raven Street Overpass (Denver County, Colorado)
Built 1990
Steel through arch bridge over Little Raven Street on Speer Blvd Wb in Denver
Open to traffic

Spencerville Covered Bridge 14-17-01 (De Kalb County, Indiana)
Built 1873 by John McKay
Covered bridge over Saint Joseph River on CR 68
Reopened June 2013 after repairs after being heavily damaged by a semi driver who crossed it.

Spillman Creek Bridge (Lincoln County, Kansas)
Built ca. 1930
Stone arch bridge over Spillman Creek, 3.5 mi. south and 0.3 mi. east of Ash Grove
Open to traffic

Spillman Creek Bridge (Lincoln County, Kansas)
Built ca. 1910
Pony truss bridge over Spillman Creek, 1.5 mi. south and 0.2 mi. east of Denmark
Intact but closed to all traffic

Spillway Ditch Bridge (Pulaski County, Arkansas)
Built 1956
Beam bridge over Spillway Ditch on Sh 300 Log 16.54
Open to traffic

Sprague River Bridge II (Klamath County, Oregon)
Built 1944
Concrete deck girder bridge over Sprague River on Sprague River Highway
Replaced by a pre-cast girder bridge in 2008.

Spring Creek 1900N Bridge (Iroquois County, Illinois)
Built 1916; replaced 2009
Lost through truss bridge over Spring Creek on 1900N Road
Lost

Spring Creek Bridge (Colusa County, California)
Built 1930; rehabilitated 1992
Wooden bridge over Spring Creek on E Camp Road
Open to traffic

Spring Creek Bridge (Cerro Gordo County, Iowa)
Built 1924; replaced 2016
Lost concrete arch bridge over Spring Creek on 300th Street (CR B20)
Replaced by a new bridge

Spring Creek Bridge (Lincoln County, Kansas)
Built ca. 1930
Pony truss bridge over Spring Creek, 4.0 mi. south and 3.4 mi. east of Vesper
Open to traffic

Spring Creek Bridge (Wilson County, Tennessee)
Built 1927
Two-span arch bridge over Spring Creek on NFA A717
Open to traffic

Spring Creek Bridge (Carson County, Texas)
Built 1930
Pony truss bridge over Spring Creek on CR 25
Open to traffic

Spring Creek Bridge (Yell County, Arkansas)
Built 1955
Slab bridge over Spring Creek on Sh 27
Open to traffic

Spring Creek CR 519 Bridge (Maries County, Missouri)
Built ca. 1930
Concrete tee beam bridge over Spring Creek on CR 519
Open to traffic

Spring Creek Road Bridge (Ellis County, Texas)
Built 1890
Through truss bridge over Grove Creek on Spring Creek Road in Waxahachie
Preserved awaiting full restoration

Spring Hollow Bridge (Morrow County, Oregon)
Built 1909
Pin-connected Pratt through truss bridge over Rhea Creek on Spring Hollow Road
Open to pedestrians only

Spring Run Bridge (Adams County, Pennsylvania)
Built 1940
Steel stringer bridge over Spring Run on Bullfrog Run Road
Open to traffic

Spring Street Bridge (Auglaize County, Ohio)
Built 1921 by the Roberts Supply Co.
Arch bridge on Spring Street over the Miami & Eric Canal in St. Marys
Open to traffic