There are 2,066 bridges in this category · Only showing 1,937 bridges with photos
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Navigable waterway

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Sisters Creek Bridge (Duval County, Florida)
Built 1952
Bascule bridge over Sisters Creek on FL 105 in Jacksonville
Replaced by a new bridge

Siuslaw River Bridge (Lane County, Oregon)
Built 1936; rehabilitated 1977, Rehabilitated 2010
Bascule bridge over Siuslaw River on US 101 in Florence
Open to traffic

Sixteenth Street Bridge (Allegheny County, Pennsylvania)
Built 1922; rehabilitated 1982
Steel through arch bridge over Allegheny River on Sixteenth Street in Pittsburgh
Open to traffic

Sixteenth Street Bridge (Old) (Milwaukee County, Wisconsin)
Built 1890; Replaced 1929
Lost bascule bridge over Menomonee River on 16th Street
Replaced by a new bridge

Skagit River Bridge (Skagit County, Washington)
Built 1953
Swing bridge over Skagit River on WA 536 in Mount Vernon
Open to traffic

Slayton Settlement Road Bridge (Niagara County, New York)
Built 1911; rehabilitated 1993
Through truss bridge over Erie Canal on Slayton Settlement Road
Open to traffic

Sloop Channel Bridge (Nassau County, New York)
Built 1934; rehabilitated 1993
Bascule bridge over Sloop Channel on Meadowbrook State Parkway
Open to traffic

SLS&E - Skagit River Bridge (Skagit County, Washington)
Built 1890 replaced
Howe through truss bridge over Skagit River on Seattle Lakeshore & Eastern Railroad
No longer exists

SMART - Haystack's Landing Bridge (New) (Sonoma County, California)
Built 2015
Warren through truss bridge over Petaluma River on Sonoma-Marin Area Rail Transit
Open to traffic

Smith Bridge (Will County, Illinois)
Built 1957 as part of US 66; rehabilitated 1979, 1997, and 2014.
Pair of cantilevered through truss bridges over Des Plaines River on I-55 southwest of Joliet in Channahon
Open to four lanes of traffic

Smith Covered Bridge 14-70-01 (Rush County, Indiana)
Built 1877 by A. M. Kennedy; rehabilitated 1996
Covered bridge over Flatrock River on CR 150 North
Open to traffic

Smith Creek Bridge (New Hanover County, North Carolina)
Built 1931; rehabilitated 1962
Swing bridge over Smith Creek on Castle Hayne Road in Wrightsboro
Open to traffic

Smith Street Bridge (Monroe County, New York)
Built 1910
Warren pony truss bridge over Erie Canal on Smith Street in Brockport
Open to traffic

Smithfield Street Bridge (Allegheny County, Pennsylvania)
Built 1883 under the direction of engineer Gustav Lindenthal
Two-span lenticular through truss bridge over Monongahela River on Smithfield Street in Pittsburgh
Open to four lanes of traffic

Smithland Bridge (Livingston County, Kentucky)
Built 1931; rehabilitated 1954
Through truss bridge over Cumberland River on US 60 at Smithland
Open to traffic

Snake Creek Canal Bridge (Monroe County, Florida)
Built 1981
Bascule bridge over Snake Creek Canal on US 1 at Plantation Key in Islamorada, Village of Islands
Open to traffic

Snake River Bridge (Asotin County, Washington)
Built 1939
Vertical lift bridge over Snake River on US 12 in Clarkston
Open to traffic

Snow Hill Bridge (Worcester County, Maryland)
Built 1932
Bascule bridge over Pocomoke River on MD 12 in Snow Hill
Open to traffic

Snow-Reed Bridge (Broward County, Florida)
Built 1925 by the Champion Bridge Co.
Swing bridge over North Fork New River on Palm Avenue in Fort Lauderdale
Open to traffic

Somerfield Dam Bridge (Fayette County, Pennsylvania)
Built 1946; replaced 2005
Lost deck truss bridge over Youghiogheny River on US 40
Replaced by a new bridge

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 Bristol Bridge (Lincoln County, Maine)
Built 1933; rehabilitated 1984
Swing bridge over The Gut on 129 in South Bristol
Replaced by a new bridge

South First Street Bridge (Union County, New Jersey)
Built 1908
Bascule bridge over Elizabeth River on South First Street in Elizabeth
Replaced by a new bridge

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 Front Street Bridge (Union County, New Jersey)
Built 1922; rehabilitated 1974; mostly destroyed by flash flooding 2018
Lost single-leaf truss bascule bridge over Elizabeth River on South Front Street in Elizabeth
Bascule span and truss superstructure destroyed by flash flooding on April 16, 2018. Some substructure elements reportedly remain damaged but intact

South Grand Island Bridge (NB) (Erie County, New York)
Built 1963
Steel through arch bridge over Niagara River/Rt 266 on I-190 (NB)
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 Lafourche Bridge (Lafourche Parish, Louisiana)
Built 1972
Vertical lift bridge over Bayou Lafourche on LA 308S in Galliano
Open to traffic

South Market Street Bridge (New Castle County, Delaware)
Built 1927
Bascule bridge over Christina River on South Market Street in Wilmington
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 Omaha Bridge (Douglas County, Nebraska)
Built 1936; rehabilitated 1999; demolished 2010
Lost through truss bridge over Missouri River on US 275/NE 92/IA 92 in Omaha
Demolished and replaced

South Park Avenue Bridge (Erie County, New York)
Built 1952; rehabilitated 2005
Vertical lift through truss bridge over Buffalo River on South Park Avenue in Buffalo
Open to traffic

South Park Bridge (King County, Washington)
Built 2014
Through truss bridge over Duwamish River on 14 Avenue
Open to traffic

South Park Bridge (Old) (King County, Washington)
Built 1931
Bascule bridge over Duwamish River on 14th Avenue South in Seattle
Demolished. Main span removed September 1, 2010.

South Quay Road Bridge (Southampton County, Virginia)
Built 1940
Swing bridge over Blackwater River on Southquay Road in Suffolk
Open to traffic

South Shore - 130th Street Railroad Bridge (Old) (Cook County, Illinois)
Built 1908; Replaced 1966
Lost Through truss bridge over Calumet River on Chicago Southshore & South Bend
Superstructure replaced

South Slough Bridge (Coos County, Oregon)
Built 1991
Bascule bridge over South Slough on Cape Arago Highway in Charleston
Open to traffic

South Slough Bridge (Coos County, Oregon)
Built 1934, Replaced 1991
Lost through truss swing span bridge over South Slough on Cape Arago Highway
Replaced by a new bridge

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

Southern - New Basin Canal Bridge (Orleans Parish, Louisiana)
Lost Girder bridge over New Basin Canal on Southern Railway
Demolished

Southern - Ocmulgee River Bridge (Pulaski County, Georgia)
Built 1890 Lost 1993
Lost Warren through truss with no verticals bridge over Ocmulgee River on Southern Railway Company
Removed

Southern Boulevard Bridge (Palm Beach County, Florida)
Built 1950
Bascule bridge over Intracoastal Waterway on Southern Boulevard in West Palm Beach
Open to traffic

Southern Boulevard Temporary Lift Bridge (Palm Beach County, Florida)
Built 2018
ACROW pony truss bridge over Inracoastal Waterway on Southern Boulevard
Open to traffic

Southside Bridge (Kanawha County, West Virginia)
Built 1936; rehabilitated 1990
Through truss bridge over Kanawha Blvd., Maccorkle Ave. (WV 61), railroad tracks, Kanawha River on Dickinson Street in Charleston
Open to traffic

Southwest Highway Bridge (Cook County, Illinois)
Built 1931; rehabilitated 1971
Through truss bridge over Cal Sag Channel on Southwest Highway (IL 7) in Palos Heights
Open to traffic

SP - Clear Creek Swing Bridge (Galveston County, Texas)
Removed in the 1990s
Lost Pony/through plate girder bridge over Clear Creek on Southern Pacific Railroad
Removed but not replaced

SP - Dumbarton Bridge (Alameda County, California)
Built 1910, last used for freight 1982; acquired by San Mateo County Transit District 1994
Abandoned baltimore through truss bridge over San Francisco Bay on Caltrain
Abandoned

SP - Neches River Bridge (Jefferson County, Texas)
Opened in 1941, abandoned in 1967, and removed in 1969.
Lost Warren through truss Abt bascule bridge over Neches River on Railroad (Southern Pacific)
Removed but not replaced

SP - Neches River Bridge (Older) (Jefferson County, Texas)
Replaced 1918
Lost Through truss bridge over Neches River on Southern Pacific RR
Removed but not replaced

SP - Snodgrass Slough Bridge (Sacramento County, California)
Built 1912: Removed 1971
Lost Baltimore through truss bridge over Snodgrass Slough on Southern Pacific Railroad
Removed

SP - Willamette River Bridge (Old) (Linn County, Oregon)
Built 1887; Replaced 1921
Lost Howe pony truss bridge over Willamette River on Southern Pacific RR
Replaced by a new bridge

SP - Yuma Swing Bridge (1st) (Yuma County, Arizona)
Built 1877; Destroyed July 1, 1884
Lost Howe pony truss bridge over Colorado River on Southern Pacific Railroad
Destroyed by flooding

SP - Yuma Swing Bridge (2nd) (Yuma County, Arizona)
Built 1884; Burned 1885
Lost Howe pony truss bridge over Colorado River on Southern Pacific Railroad
Destroyed by fire

SP/PE - West Basin Bascule Bridge (Los Angeles County, California)
Built 1912; Removed 1955
Lost Warren baltimore through truss bascule bridge over West Basin/Turning Basin on Pacific Electric Railway/Southern Pacific Railroad
Removed

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

Spokane Street Bridge (King County, Washington)
Built 1991
Swing bridge over W. Waterway of Duwamish River on SW Spokane Street in Seattle
Open to traffic

Spoor's Bridge (Waushara County, Wisconsin)
Lost Pratt through truss bridge over Fox River on Road
Replaced by a new bridge

Spottsville Bridge (Henderson County, Kentucky)
Dedicated Dec. 18, 1931; tolls removed Aug. 25, 1945
Through truss bridge over Green River on US 60 at Spottsville
Open to traffic

Spring Valley Bridge (Bureau County, Illinois)
Built 1934; rehabilitated 1989
Five-span through truss bridge over the Illinois River on IL 89 south of Spring Valley
Open to two-lane traffic

SPS - Youngs Bay Bridge (Clatsop County, Oregon)
Built 1895, Abandoned 1978; Removed 1986
Lost swing span bridge over Youngs Bay on Seattle, Portland and Spokane Railroad
Removed

St. Ann Bridge (Terrebonne Parish, Louisiana)
Built ca. 1960; replaced 2012
Lost swing bridge over Bayou Terrebonne on Country Drive in Bourg
Replaced by a new bridge

St. Charles Air Line Bridge (Cook County, Illinois)
Built in 1919, original length was 260 ft. -- later shortened to 220 ft. in 1930
Railroad Baltimore trough truss bascule bridge over the Chicago River near downtown Chicago
Open to traffic

St. Claude Avenue Bridge (Orleans Parish, Louisiana)
Built 1919 by the Bethlehem Steel Bridge Corporation as a combination rail/highway bridge; later converted to an all highway bridge
Bascule through truss bridge over the Inner Harbor Navigation Canal (Industrial Canal) on St. Claude Avenue (LA Hwy 46)
Open to traffic

St. Croix River Bridge (Pierce County, Wisconsin)
Built 1990
Bascule bridge over St. Croix River on US 10 in Prescott
Open to traffic

St. George River Bridge (Knox County, Maine)
Built 1928; rehabilitated 1991
Through truss bridge over St. George River on Wadsworth Street in Thomaston
Open to traffic

St. Johns River Bascule Bridge (Lake County, Florida)
Built 1955
Bascule bridge over St. Johns River on FL 44
Open to traffic

St. Johns River Bridge (New) (Lake County, Florida)
Built 1980
Bascule bridge over St. Johns River on FL 40
Open to traffic

St. Joseph Swing Bridge (Buchanan County, Missouri)
Built 1906
Pennsylvania through truss swing bridge over Missouri River on the Union Pacific Railroad in St. Joseph, MO and Elwood, KS.
Open to traffic

St. Louis Bay Bridge (St. Louis County, Minnesota)
Built 1908, Removed 1986
Lost Pratt through truss bridge over St. Louis Bay on Burlington Northern
Removed

St. Lucie River Bridge (Martin County, Florida)
Built 1964
Bascule bridge over St. Lucie River on FL 707 (Dixie Highway) in Stuart
Open to traffic

St. Marys Bridge (Pleasants County, West Virginia)
Cantilevered through truss bridge over Ohio River on WV 807 at St. Marys
Open to traffic

St. Marys River Bridge (Nassau County, Florida)
Built 1927, rehabilitated 2005.
Swing bridge over St. Marys River on US 17
Open to all traffic.

State Boat Channel Bridge (Suffolk County, New York)
Built 1951; rehabilitated 1994
Bascule bridge over State Boat Channel on Robert Moses State Parkway (Robert Moses Causeway) in Gilgo-Oak Beach-Captree
Open to traffic

State Street Bascule Bridge (New) (Racine County, Wisconsin)
Built 1988
Single span bascule bridge over Root River on State Street (WI 38) in Racine
Open to traffic

State Street Bridge (Cook County, Illinois)
Built 1949
Twin-leaf bascule bridge over Main Branch Chicago River on State Street in Chicago
Open to traffic

State Street Bridge (Old) (Cook County, Illinois)
Built 1903; removed 1941, replacement bridge completed 1947
Lost Deck truss bridge over Chicago River on State Street
Replaced by a new bridge

State Street Bridge (Older) (Racine County, Wisconsin)
Built 1906; Replaced 1928
Lost Through truss bridge over Root River on WI 38 State Street
Replaced by a new bridge

State Street Swing Bridge (Old) (Cook County, Illinois)
Built 1872 to replace bridge lost in Chicago Fire; center pier rehabilitated 1898; bridge replaced 1903
Lost Through truss bridge over Chicago River on State Street
Replaced by a new bridge

Station Road Bridge (Huntington County, Indiana)
Built 1915; rehabilitated 1988
Camelback through truss bridge over Little Wabash River on Station Road in Roanoke
Open to traffic

Steamboat Slough Bridge (Sacramento County, California)
Built 1924; rehabilitated 1953
Bascule bridge over Steamboat Slough on CA 160
Open to traffic

Steel Bridge (Multnomah County, Oregon)
Built 1912
Vertical-lift through truss bridge over Willamette River on Pacific Highway West & MAX Blue Line in Portland
Open to highway and light rail traffic on upper deck; bicycle/pedestrian and rail traffic on lower deck

Steel Bridge (Old) (Multnomah County, Oregon)
Built 1888, Replaced 1912
Lost Truss bridge over Willamette river on Oregon Railway and Navigation Co. & Road
Replaced by a new bridge

StLIM&S - Baring Cross Bridge (Older) (Pulaski County, Arkansas)
Built 1873; Replaced 1890
Lost Howe through truss bridge over Arkansas River on Missouri Pacific Railroad
Replaced by a new bridge

Stone Arch Bridge (Hennepin County, Minnesota)
Built 1883 for the St. Paul, Minneapolis, and Manitoba Railway; rehabilitated 1994
Stone arch bridge over the Mississippi River at St. Anthony Falls in Minneapolis
Open to pedestrians only

Stone Bridge (Newport County, Rhode Island)
Built 1907; Damaged by Hurricane Carol 1954; Closed 1955; Replaced 1956
Lost Double leaf bascule bridge over Sakonnet River on Stone Bridge Road
Replaced by a new bridge

Stone Bridge (Old) (Newport County, Rhode Island)
Replaced 1907
Lost Warren pony truss with alternating verticals bridge over Sakonnet River on Stone Bridge Road
Replaced by a new bridge

Stone Harbor Bridge (Cape May County, New Jersey)
Built 1939; rehabilitated 2003
Bascule bridge over Great Channel on Ocean Highway (CR 619) in Stone Harbor
Open to traffic

Stoney Creek Bridge (Anne Arundel County, Maryland)
Built 1946; rehabilitated 1986
Bascule bridge over Stoney Creek on MD 173 in Riviera Beach
Open to traffic

Stoney Creek Road Bridge (Oneida County, New York)
Built 1911; rehabilitated 1987
Through truss bridge over Erie Barge Canal on Stoney Creek Road in Rome
Intact but closed to all traffic

Stono River SC 700 Bridge (Charleston County, South Carolina)
Built 1929 by the Greenville Steel & Iron Co.; rehabilitated and widened in 1951; replaced 2004
Lost pony truss swing bridge over Stono River on SC 700, west of Charleston
Bridge replaced in 2004.

Stratford Avenue Bridge (Fairfield County, Connecticut)
Built 1975
Vertical lift bridge over Pequonnock River on CT 130 in Bridgeport
Open to traffic

Stutson Street Bridge (Monroe County, New York)
Built 1915; replaced 2004
Lost bascule bridge over Genesee River on Stutson Street in Rochester
No longer exists

Summit Bridge (New Castle County, Delaware)
Built 1959; rehabilitated 1987
Through truss bridge over C&D Canal on US 301/DE 896
Open to traffic

Sunshine Bridge (St. James Parish, Louisiana)
Built 1963, opened October 12, 1964. The bridge was a toll bridge until 1979 but tolls were reinstated in 1989 before being removed for good in 1999 when the bridge's debt was paid.
Through truss bridge over the Mississippi River on LA 70
Open to traffic

Sunshine Skyway Bridge (Pinellas County, Florida)
Opened to traffic April 20, 1987
Cable-stayed bridge over Tampa Bay on I-275/US 19 at Saint Petersburg
Open to four lanes of traffic

Superior Canal LA 82 Bridge (Cameron Parish, Louisiana)
Built 1956
Swing bridge over Superior Canal on LA 82
Open to traffic

Superior Viaduct (Cuyahoga County, Ohio)
Built 1875; Replaced by the Detroit-Superior High Level Bridge in 1917; Swing span removed 1923;
Deck truss swing bridge on Superior Street over Cuyahoga River
Stone arch approach is still in use.

Surf City Bridge (Pender County, North Carolina)
Built 1954-55
Swing bridge over Intracoastal Waterway on NC50/NC210 in Surf City
Open to traffic

T&P - Torras Bridge (Pointe Coupee Parish, Louisiana)
Built 1915; Demolished 19XX
Lost Parker through truss bridge over Red River on Texas & Pacific Railroad
Removed

Tacoma Narrows Bridge (1950) (Pierce County, Washington)
Built 1950 as the replacement of the original 1940 bridge
Suspension bridge over Tacoma Narrows on WB WA 16 in Tacoma
Open to traffic