There are 6,095 bridges in this category · Only showing 4,273 bridges with photos
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Plate girder

Second Street Overpass (Kennebec County, Maine)
Built 1935
Pony/through plate girder bridge over Maine Central Railroad on Second Street
Open to traffic

Sedgewickville Bridge (Bollinger County, Missouri)
Built 1936
Three-span pony plate-girder bridge over Whitewater River on Route K north of Sedgewickville
Open to two-lane traffic

Senator Robert D. Fleming Bridge (Allegheny County, Pennsylvania)
(Main design: Warren deck truss)
Built 1960; part of approach span destroyed by fire in 1981-replaced later and reopened in 1983; rehabilitated in 1986
Deck truss bridge over the Allegheny River on PA 8 (62nd Street) in Pittsburgh
Open to traffic

Seneca Creek Norfolk Southern Railway Bridge (Campbell County, Virginia)
Built 1907
Deck plate girder bridge over Seneca Creek on NSRR
Open to traffic

SEPTA - 8th Street Overpass (Bucks County, Pennsylvania)
Bridge over 8th Street on East Penn RR/Formerly Reading Railroad
Open to traffic

SEPTA - Buck Road Overpass (Bucks County, Pennsylvania)
Abandoned 1983/1985 by Septa
Steel Plate Girder
Abandoned and overgrown

SEPTA - Maple Avenue Overpass (Bucks County, Pennsylvania)
Pony/through plate girder bridge over Maple Avenue on Railroad


SEPTA - W Hortter Street Overpass (Philadelphia County, Pennsylvania)
Pony/through plate girder bridge over W Hortter Street on SEPTA
Open to traffic

SEPTA - West Girard Avenue Overpass (Philadelphia County, Pennsylvania)
Deck plate girder bridge over West Girard Avenue on LAN & NOR
Open to traffic

SERA - Tule Canal Bridge (Yolo County, California)
Built 1911; Deck plate girder added in the 1930s.
Deck plate girder bridge over Tule Canal on Sierra Northern Railway
Open to traffic

Seventh Street Bridge (Franklin County, Indiana)
(Main design: Camelback through truss)
Built ca.1914; bypassed and abandoned in 1979; demolished 1996. Replaced earlier bridges, one lost in 1913 flood and temporary bridge built 1913.
Lost 3 span Camelback through truss bridge over West Fork Whitewater River on 7th St.
Replaced by a new bridge on a different alignment and demolished after standing for over 20 years.

SH 37 Bridge (Franklin County, Texas)
Built 1935
Pony plate girder bridge over SH 37 on St Louis Southwestern RR
Open to traffic

Shaffer's Crossing Turntable Bridge (W) (Roanoke, Virginia)
Deck plate girder bridge over NSRR on NSRR
Open to traffic

Sheboygan Riverwalk Bridge (Sheboygan County, Wisconsin)
Built 1947; Abandoned circa 1995, Opened to pedestrians 2013
Deck plate girder bridge over Sheboygan River on Sheboygan Riverwalk
Open to pedestrians only

Sheepford Road Overpass (Cumberland County, Pennsylvania)
Built 1949-1952 by the PTC
Pony/through plate girder bridge over PA Turnpike/I-76 on Sheepford Road/TR 968
Open to traffic

Sheffield Steel Blue River Lift Bridge (Jackson County, Missouri)
A replacement built in 1964 to service the Armco Steel plant. Original bridge 1950.
Abandoned pony/through plate girder vertical lift bridge over Blue River on Abandoned Railroad
Abandoned

Shell Rock River Crossing (Floyd County, Iowa)
Built 1938
Haunched deck plate girder Bridge over Shell Rock River on 180th Street
Open to traffic

Sherman Point Bridge (Palm Beach County, Florida)
Built 1926
Lost Deck plate girder bridge over Intracoastal Waterway on Sherman Point
No longer exists

Shirttail Canyon Bridge (Placer County, California)
Built 1940
Deck plate girder bridge over Shirttail Creek on Shirttail Canyon Road
Open to traffic

Shocks Mills Bridge (Lancaster County, Pennsylvania)
Built 1905
Brick arch bridge over Susquehanna River on Norfolk Southern Railway
Open to traffic

Shooting Star Trail - Upper Iowa River Bridge (Mower County, Minnesota)
Built 1903, partially removed sometime after abandonedment in 1970's, restored for recreational trail.
Repurposed deck plate girder bridge over Upper Iowa River on Shooting Star Trail
Open to pedestrians only

Short Line Bridge (Hennepin County, Minnesota)
(Main design: Baltimore deck truss)
Built 1902
Deck truss bridge over Mississippi River on Railroad
Open to traffic

Sibley Railroad Bridge (Jackson County, Missouri)
(Main design: Pennsylvania through truss)
Built 1915
Pennsylvania through truss bridge over Missouri River on BNSF Railway
Open to traffic

Sidney Street Bridge (Outagamie County, Wisconsin)
Built 1912
Lost Deck plate girder bridge over Fox River on Sidney Street
No longer exists

Silver Bridge (Gallia County, Ohio)
(Main design: Eyebar suspension)
Built 1928, collasped on December 15, 1967, killing 46 people. Replaced by a new bridge in 1969.
Lost eyebar suspension bridge over the Ohio River on US 35 between Point Pleasant, WV, and Kanauga, OH
Collapsed and replaced by new bridge

Silver Creek Bridge (Taylor County, Wisconsin)
Built 1927
Pony/through plate girder bridge over Silver Creek on Local road, Business Hwy 13 (Old 13)
Open to traffic,posted for load

Sioux City Service Co. - Floyd River Bridge (Woodbury County, Iowa)
(Main design: Pratt through truss)
Abandoned in 1948 when service ended; Removed in the 1960s when the river was channelised
Lost Pratt through truss bridge over Floyd River on Sioux City Service Co.
Removed

SIR - Nicholas Avenue Overpass (Richmond County, New York)
Abandoned Pony/through plate girder bridge over Nicholas Avenue on Staten Island Railroad
Derelict/abandoned

SIR - Park Avenue Overpass (Richmond County, New York)
Abandoned deck plate girder bridge over Park Avenue on Staten Island Railroad
Derelict/abandoned

SIRy - Chariton River Bridge (Appanoose County, Iowa)
(Main design: Warren through truss with sub-panels)
Built 1900, closed due to severe fire damage 1966, demolished soon after.
Lost Subdivided Warren through truss bridge over Chariton River on former Southern Industrial Railroad/Southern Iowa Railway
Demolished

SIRy/MILW Overpass (Appanoose County, Iowa)
Abandoned 1966 & removed sometime shortly thereafter
Lost Deck plate girder bridge over Railroad (MILW) on Southern Iowa Railway (Later Southern Industrial Railroad )
Removed but not replaced

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

SJVR - Kings River Bridge (Fresno County, California)
(Main design: Warren deck truss)
Warren Deck truss railroad bridge
Open to traffic

SKCY - Snake River Bridge (Pine County, Minnesota)
Built 1906, Repaired 2009
Pony/through plate girder bridge over Snake River on St. Croix Valley Railroad
Open to traffic

Skidaway Narrows Bridge (Chatham County, Georgia)
Built in 1971; replaced 2013
Pony/through plate girder bridge over Skidaway Narrows on US 80
Replaced by a new bridge

SKOL - Bird Creek Bridge (Rogers County, Oklahoma)
Deck girder bridge over Bird Creek on South Kansas & Oklahoma Railroad
Open to traffic

SKOL - Fall River Bridge (Fredonia) (Wilson County, Kansas)
(Main design: Pratt through truss)
Pratt Through truss bridge over Fall River on South Kansas & Oklahoma Railroad in Fredonia
Open to traffic

SKOL - Main Street Overpass (Montgomery County, Kansas)
Pony/through plate girder bridge over W Main St on ATSF RR
Open to traffic

SKOL - Mill Dam Road Overpass (Wilson County, Kansas)
Deck plate girder bridge over Mill Dam Road on South Kansas & Oklahoma Railroad
Open to traffic

SKOL - Neosho River Bridge (Neosho County, Kansas)
(Main design: Pratt through truss)
Built 1898
Pratt Through truss bridge over Neosho River on South Kansas & Oklahoma Railroad
Open to traffic

SKOL - Spindler Creek Bridge (Wilson County, Kansas)
Built 1905
Deck plate girder bridge over Spindler Creek on Abandoned South Kansas & Oklahoma Railroad
Intact but closed to all traffic

SKOL - US75 Overpass (Montgomery County, Kansas)
Built 1908
Deck plate girder bridge over US75 on South Kansas & Oklahoma Railroad
Open to traffic

SKOL - Verdigris River Bridge (Wilson County, Kansas)
(Main design: Pratt through truss)
Pratt Through truss bridge over Verdigris River on Abandoned South Kansas & Oklahoma Railroad
Intact but closed to all traffic

SKOL - Verdigris River Bridge (Neodesha) (Wilson County, Kansas)
(Main design: Pratt through truss)
Built 1905
Pratt Through truss bridge over Verdigris River on South Kansas & Oklahoma Railroad
Open to traffic

Slade's Ferry Bridge (Bristol County, Massachusetts)
Built 1875; Swing span struck 1932 by a tanker and replaced with a bascule; Replaced 1970
Lost double-decker truss bridge over Taunton River on Remington Avenue
Removed

Sloan Creek Railroad Bridge (Cape Girardeau County, Missouri)
Built 1960, replacing an earlier bridge
Pony/through plate girder bridge over Sloan Creek on BNSF Railway
Open to traffic

Sloat Poplar Valley Road Bridge (Plumas County, California)
Built 1959, replaced unknown year.
Deck plate girder bridge over Middle Fork Feather River on Sloat-Poplar Valley Road
Replaced by Bailey truss bridge

SLR - Presumpscot River Bridge (Cumberland County, Maine)
Deck plate girder bridge over Presumpscot River on St. Lawrence and Atlantic Railroad
Open to traffic

Smith River B&M Railroad Bridge 113.84 (Merrimack County, New Hampshire)
Built 1914
1914 Pony/through plate girder bridge over Smith River on B&MRR/Northern Rail Trail
Open to traffic

Smith River Carolina & Northwestern Railroad Bridge (Rockingham County, North Carolina)
Built 1913
Deck plate girder bridge over Smith River on CNWRR/NSRR
Intact but closed to all traffic

Smith River Norfolk Southern Railway Bridge (Henry County, Virginia)
(Main design: Warren deck truss with all verticals)
Built 1904 by American Bridge Co.
Warren deck truss with all verticals bridge over Smith River on NSRR
Open to traffic

Smith River Road Bridge (Merrimack County, New Hampshire)
Built 1941; reconstructed 2001
1941 Pony/through plate girder bridge over Smith River on Smith River Road (former NH 104)
Open to traffic

Smith River US-4 Bridge (Merrimack County, New Hampshire)
Built 1929
1929 Pony/through plate girder bridge over Smith River on US-4
Open to traffic

SN - Broadway Terrace Overpass (Alameda County, California)
Built 1936; Removed 1957
Lost Pony/through plate girder bridge over Broadway Terrace on Sacramento Northern Railway
Removed

SN - East Finger Lake Temescal Bridge (Alameda County, California)
Built 1913; Removed ca. 1936
Lost Deck plate girder bridge over East Finger Lake Temescal on Sacramento Northern Railway
Removed and the finger filled

SN - Thornhill Drive Overpass (Alameda County, California)
Built ?; Deck plate girder added ca 1930; Removed in 1957
Lost Deck plate girder bridge over Thornhill Drive on Sacramento Northern Railway
Removed

SNC - Dry Brook Bridge (Saratoga County, New York)
Built ca. 1890
Deck plate girder bridge over Dry Brook on Saratoga & North Creek Railroad
Open to traffic

SNC - Hadley Bridge (Saratoga County, New York)
(Main design: Warren deck truss with all verticals)
Built 1943 to replace earlier 1894 truss bridge
Deck truss bridge over Sacandaga River on Delaware & Hudson RR
Open to traffic

SNC - NY 9N Overpass (N) (Saratoga County, New York)
Built 1939
Deck plate girder bridge over Route 9N on Saratoga & North Creek Railroad
Open to traffic

SNC - NY 9N Overpass (S) (Saratoga County, New York)
Built 1924
Deck plate girder bridge over NY 9N on Saratoga & North Creek Railway
Open to traffic

SNETT - Blackstone River Bridge (West) (Worcester County, Massachusetts)
Built 1911; abandoned 1970s; in process of trail conversion 7/2014
Deck plate girder bridge over Blackstone River on future Southern New England Trunkline Trail
Under construction

SNETT - Canal Street Overpass (North) (Worcester County, Massachusetts)
Built 1917; being converted to trail use 2014
Deck plate girder bridge over Canal Street on Southern New England Trunkline Trail
Under construction

SNETT - St. Paul Street Bridge (Worcester County, Massachusetts)
Built 1901
Deck plate girder bridge over St. Paul Street on Southern New England Trunkline Trail/East Coast Greenway
Under construction

SNETT - Triad Bridge (Worcester County, Massachusetts)
(Main design: Pratt deck truss)
Abandoned Pratt deck truss girder bridge over Blackstone River, P&W Providence Main on Southern New England Trunkline Trail
Derelict/abandoned

Snoqualmie Valley Trail - Tokul Creek Trestle (King County, Washington)
Deck plate girder bridge over Tokul Creek on Trail
Open to pedestrians only

Snoqualmie Valley Trail - Tolt River Bridge (King County, Washington)
Deck plate girder bridge over Tolt River on Trail
Open to pedestrians only

Snowmobile Trail 17 - Silver Street Overpass (Iron County, Wisconsin)
Built 1914 by American Bridge Co., railroad abandoned 1982, bridge still used as snowmobile trail
Pony/through plate girder bridge over Silver Street on Snowmobile Trail 17
Open to pedestrians

Soakas Creek Winston-Salem Southbound Railway Bridge (Forsyth County, North Carolina)
Built 1910
Deck plate girder bridge over Soakas Creek on WSSRR/CSXTRR
Open to traffic

Soo Line "S" Bridge (Eau Claire County, Wisconsin)
(Main design: Warren deck truss with all verticals)
Warren deck truss bridge over Chippewa River on the Chippewa River State Trail (formerly Soo Line Railroad)
Open to pedestrians

Soo Line - Albany Trestle (Stearns County, Minnesota)
Built 1936. Part over I-94 added on 1956. Awaiting future trail development.
Trestle over I-94, Lake Wobegon Trail, CR 157 on Abandoned Soo Line Brooten Sub
Abandoned

Soo Line - Ashland Ore Dock (Ashland County, Wisconsin)
Deck plate girder over Main/2nd Street built 1910; DPG over Front Street/Lake Shore Boulevard built 1917, DPG over Water Street built 1922; Abandoned 1965;Removed 2011-2013
Lost Ore dock + Viaduct over Burlington Northern Railroad, Water Street, St. Claire Street, Front Street/Lake Shore Boulevard, Main Street/2nd Street, & Bay City Creek
Removed but not replaced

Soo Line ATV Trail - Genola Bridge (Morrison County, Minnesota)
Deck plate girder bridge over Platte River on Soo Line ATV Trail
Open to pedestrians

Soo Line ATV Trail - Platte River Bridge (Morrison County, Minnesota)
Timber stringer and girder bridge over Platte River on Soo Line ATV Trail
Open to pedestrians only

Soo Line ATV Trail - US10 Overpass (Morrison County, Minnesota)
Built in 1909; extended in 1973 when US Hwy. 10 was widened to 4 lanes; converted into bike use in 2007
Deck plate girder bridge over US Hwy. 10, BNSF Railroad, and Twp. 316 (180th Avenue) on Soo Line Bike Trail
Open to pedestrians

Soo Line High Bridge (Washington County, Minnesota)
(Main design: Steel arch)
Built 1910 replacing a bridge downstream.
Steel arch bridge over St. Croix River on Canadian National Railroad
Open to traffic

Soo Line Trail - Kettle River Bridge (Pine County, Minnesota)
(Main design: Warren deck truss)
Built 1909
Warren deck truss bridge over Kettle River on Soo Line Trail
Open to pedestrians only

Soo Line Trail - Mississippi River Bridge (Aitkin County, Minnesota)
(Main design: Warren through truss)
Riveted Warren through truss bridge over Mississippi River on Soo Line Trail
Open to pedestrians

Soo Line Trail - Moose Horn River Bridge (Carlton County, Minnesota)
Deck plate girder bridge over Moose Horn River on Soo Line State Trail
Open to pedestrians only

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

SOU Pacolet River Bridge (Spartanburg County, South Carolina)
Bridge over Pacolet River on Norfolk Southern Railway
Closed

South Bridgeville Road Overpass - RR (Warren County, New Jersey)
Pony/through plate girder bridge over South Bridgeville Road (County Road 519) on Railroad


South Buffalo Creek Norfolk Southern Bridge (Guilford County, North Carolina)
Deck plate girder bridge over S Buffalo Ck on NSRR
Open to traffic

South Busway (PAT) CSX Transportation Bridge (Allegheny County, Pennsylvania)
Abandoned deck plate girder bridge over South Busway (PAT) on CSXTRR
Derelict/abandoned

South Carrollton Avenue Bridge (Orleans Parish, Louisiana)
Built 19XX; Removed 1951
Lost Pony/through plate girder bridge over New Basin Canal on South Carrollton Avenue & New Orleans Public Service Incorporated
Removed

South Carrollton Avenue Bridge (Mechinism Removed) (Orleans Parish, Louisiana)
Lost Pony/through plate girder bridge over New Basin Canal on South Carrollton Avenue & New Orleans Public Service Incorporated
Replaced by a new bridge

South Division Street Railroad Viaduct (St. Francis County, Arkansas)
Bridge over Division Street on Union Pacific Railroad


South Duff Avenue Bridge (Old) (Story County, Iowa)
Built 1919, Replaced ?
Lost Pony/through plate girder bridge over Squaw Creek on South Duff Avenue
Replaced by a new bridge

South Flat River Norfolk & Western Railway Bridge (Person County, North Carolina)
Built 1910
Deck plate girder bridge over South Flat River on NWRR
Intact but closed to all traffic

South Fork Muddy Creek Winston-Salem Southbound Railway Bridge (Forsyth County, North Carolina)
Built 1910
1910 Deck plate girder bridge over South Fork Muddy Creek on WSSRR/CSXTRR


South Fork Roanoke River Norfolk Southern Railway Bridge (N) (Montgomery County, Virginia)
Built 1906
Deck plate girder bridge over South Fork Roanoke River/Big Springs Dr on NSRR
Open to traffic

South Fork Roanoke River Norfolk Southern Railway Bridge (S) (Montgomery County, Virginia)
Deck plate girder bridge over South Fork Roanoke River on NSRR
Open to traffic

South Grand Island Bridge (NB) (Erie County, New York)
(Main design: Steel through arch)
Built 1963
Steel through arch bridge over Niagara River/Rt 266 on I-190 (NB)
Open to traffic

South Kingshighway Blvd. UPRR Overpass (St. Louis, Missouri)
Built in 1898 by the Union Bridge Co. of New York
Deck plate girder bridge over S. Kingshighway Boulevard on the Union Pacific Railroad in St. Louis City, Mo.
Open to one track of railroad traffic

South Main Street Bridge (Trumbull County, Ohio)
(Main design: Pratt through truss)
Built about 1887 (based on design ques) by Columbia Bridge Co., replaced 1918
Lost Pratt through truss bridge over Mahoning River on South Main Street
Replaced by a new bridge

South Main Street Bridge (Allegheny County, Pennsylvania)
Lost Pony/through plate girder bridge over Sawmill Run on South Main Street
Replaced by a new bridge

South Main Street Overpass (Tarrant County, Texas)
Built in 1937 under the direction of the Texas Highway Department and the United States Bureau of Public Roads.
Deck plate girder bridge over Multiple railroad tracks on South Main Street
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 Millvale Avenue Bridge (Allegheny County, Pennsylvania)
Built 1927; rehabilitated 1972 and 2007
Deck girder bridge over Norfolk Southern Railroad on South Millvale Avenue
Open to traffic

South Rapids Road Bridge (Manitowoc County, Wisconsin)
Built 1956;
Deck plate girder bridge over Manitowoc River on County Highway R
Open to traffic

South Scenic Avenue Railroad Bridge (Greene County, Missouri)
Deck plate girder bridge over South Scenic Avenue on Missouri and Northern Arkansas Railroad line in Springfield
Open to railroad traffic above and highway traffic below