Spillman Creek Bridge (Lincoln County, Kansas)
Built 1912
Through truss bridge over Spillman Creek, 3.7 mi. west of Lincoln
Open to traffic

Splice Creek Road Bridge (Moniteau County, Missouri)
Built or relocated here ca. 1930
Pony truss bridge over Splice Creek on East Splice Creek Road near Lupus
Open to one-lane traffic

Split Rock Creek Railroad Bridge (Minnehaha County, South Dakota)
This bridge was part of a plan to convert Split Rock Creek into a lake in the 1950s.
Abandoned lattice through truss bridge over Split Rock Creek on abandoned railroad 0.3 miles east of Split Rock Blvd. near Mc Hardy Park
Abandoned

Sprague Bridge (Juneau County, Wisconsin)
Built 1913; Replaced 1990
Lost Pratt pony truss bridge over Yellow River on 9th St East in Towns of Armenia and Necedah
Unknown, but likely replaced by new bridge

Spring City Bridge (Rhea County, Tennessee)
Built 1931
Lost through truss bridge over Piney River on US 27/TN 29 in Spring City
No longer exists--replaced by concrete I-beam box girder bridge

Spring Creek 1700N Bridge (Iroquois County, Illinois)
Built 1898
Lost through truss bridge over Spring Creek on 1700N Road
Closed to all traffic after suffering damage in a car accident

Spring Creek 1900N Bridge (Iroquois County, Illinois)
Built 1916
Through truss bridge over Spring Creek on 1900N Road
Open to traffic

Spring Creek Branch 1250N Bridge (Iroquois County, Illinois)
Built 1904
Two-span bedstead pony truss bridge over a branch of Spring Creek on 1250N Road
Open to one-lane traffic

Spring Creek Bridge (Atchison County, Kansas)
Built ca. 1930
Pony truss bridge over Spring Creek, 1.0 mi. west and 1.6 mi. north of Arrington
Open to traffic

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 (Rockingham County, Virginia)
Built 1925 by the Champion Bridge Co.
Pony truss bridge over Spring Creek on Route 748 at Spring Creek
Open to one-lane 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 Hill Road Bridge (Christian County, Missouri)
Built 1914 by the Canton Bridge Co.; demolished 2006
Lost through truss bridge over Finley Creek on Spring Hill Road northeast of Sparta
No longer exists

Spring River CR 1040 Bridge (Lawrence County, Missouri)
Built ca. 1930
Through truss bridge over Spring River on CR 1040
Open to traffic

Spring River CR 2130 Bridge (Lawrence County, Missouri)
Pony truss bridge over Spring River on CR 2130
Open to one-lane traffic

Spring River Route D Bridge (Jasper County, Missouri)
Pony truss bridge over Spring River on Route D southwest of Purcell
Open to two-lane traffic

Spring River Route O Bridge (Jasper County, Missouri)
Built 1935
Through truss bridge over Spring River on Route O
Open to two-lane 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

Spring Valley Road Bridge (Miami County, Kansas)
Built ca. 1920
Pony truss bridge over North Wea Creek, 2.2 mi. north and 2.0 mi. west of Louisburg
Open to traffic

Springdale Bridge (Park County, Montana)
Built 1908; south span replaced 1916; bypassed by new bridge in 1981
Through truss bridge over Yellowstone River on Route 563
Unknown status

Springdale Covered Bridge (Leavenworth County, Kansas)
Built ca. 1859; rehabilitated 1946
Lost covered bridge over Stranger Creek near Springdale
No longer exists

Springfield Bridge (Lane County, Oregon)
Built 1929
Through truss bridge over Willamette River on Westbound OR 126 in Springfield
Open to traffic

Springfield Bridge (Faulkner County, Arkansas)
Completed July 1874 by the King Bridge Manufactory & Iron Works of Iola, Kansas, a branch of the King Bridge Co. of Cleveland, Ohio. Bypassed by a new bridge 1991.
Iron bowstring truss bridge over Cadron Creek near Springfield on the Conway-Faulkner County line
Open to pedestrians only

Spunky Creek Bridge (Rogers County, Oklahoma)
Built 1913
Pony truss bridge over Spunky Creek on Rice St. (E0570) in Catoosa
Closed to traffic within past year.

Square Rock Creek AR 28 Bridge (Scott County, Arkansas)
Built 1961; replaced 2003
Lost pony truss bridge over Square Rock Creek on AR 28
Replaced by new bridge

Squaw Creek Bridge (Brown County, Kansas)
Built ca. 1950
Pony truss bridge over Squaw Creek, 3.5 mi. east and 4.3 mi. north of Everest
Open to traffic

Squaw Creek MO 118 Bridge (Holt County, Missouri)
Built 1928; replaced 2003
Lost pony truss bridge over Squaw Creek on MO 118 southwest of Mound City
No longer exists

Squirrel Bridge (Fremont County, Idaho)
Built during the late 1930's by the Civilian Conservation Corps; replaced 1983
Lost wooden Howe pony truss bridge over Fall River on CCC Camp Road
Replaced by a new bridge

St. Clair River Bridge (St. Clair County, Michigan)
Built 1938; rehabilitated 1999
Through truss bridge over St. Clair River on Westbound I-94 in Port Huron
Open to traffic

St. Clair Street Bridge (Preble County, Ohio)
Built 1887 by the Columbia Bridge Works; rehabilitated 1999
Through truss bridge over a branch of Seven Mile Creek on St. Clair Street in Eaton
Open to traffic

St. Francis River Bridge (Sherburne County, Minnesota)
Built 1915
Through truss bridge over St. Francis River on CR 64
Closed to all traffic

St. Francis River Bridge (Madison County, Missouri)
Lost through truss bridge over St. Francis River
No longer exists

St. Francis River Bridge (Mille Lacs County, Minnesota)
Built ca. 1900
Lost pratt through truss bridge over St. Francis River on Local road at wildlife refuge just off CSAH 5
Removed

St. Francis River Route E Bridge (Madison County, Missouri)
Built 1936
Two-span through truss bridge over St. Francis River on Route E
Open to two-lane traffic

St. Francisville Bridge (Lawrence County, Illinois)
Through truss swing bridge over the Wabash River near St. Francisville
Open to one-lane traffic, with a tollbooth in St. Francisville

St. Johns Creek Route YY Bridge (Franklin County, Missouri)
Built 1957
Three-span pony truss bridge over St. Johns Creek on Route YY
Open to two-lane traffic

St. Joseph Railroad Bridge (Buchanan County, Missouri)
Built 1906, replacing an earlier swing bridge
Pennsylvania through truss swing bridge over Missouri River on the Union Pacific Railroad at St. Joseph
Open to traffic

St. Laurent Creek Bridge (Ste. Genevieve County, Missouri)
Built ca. 1920
Pony truss bridge over St. Laurent Creek on Second Street (unmarked) in St. Mary just south of US 61 and just north of the Perry County line
Open to one-lane traffic with a weight limit

St. Louis Avenue Bridge (Jackson County, Missouri)
Built 1914; replaced 2003
Lost skewed Pratt through truss over the KCS Railroad on St. Louis Avenue
Replaced by new bridge

St. Mary River Aqueduct Bridge (Glacier County, Montana)
Built 1915 by the Minneapolis Bridge Co.
Two-span through truss bridge over St. Mary River on CR 224, also carrying a pair of water pipelines
Open to traffic

St. Marys Bridge (Pleasants County, West Virginia)
Cantilevered through truss bridge over Ohio River on WV 16 at St. Marys
Open to traffic

Stagecoach Road Bridge (Jersey County, Illinois)
Through truss bridge over Piasa Creek on Stagecoach Road (TR 154)
Open to one-lane traffic

Stark Street Bridge (Multnomah County, Oregon)
Built 1914
Truss bridge over Sandy River on Stark Street
Open to traffic

State Road Covered Bridge (Ashtabula County, Ohio)
Built 1983 by John Smolen
Modern covered bridge over Conneaut Creek on State Road (CH 354)
Open to traffic

State Sanatorium Covered Bridge (Parke County, Indiana)
Built 1912
Burr arch-truss bridge over Little Raccoon Creek
Closed to all traffic

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

State Street Bridge (Fountain County, Indiana)
Built 1963
Pony truss bridge over Coal Creek on State Street in Veedersburg
Open to traffic

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

Station Road Bridge (Cuyahoga County, Ohio)
Built 1881-82 by the Massillon Bridge Co.; rehabilitated 1992
Through truss bridge over the Cuyahoga River on Station Road in Cuyahoga Valley National Park
Open to pedestrians only

Steamboat Bill Bridge (Limestone County, Alabama)
Built 1963 and replaced the older Keller Memorial Bridge, which was a drawbridge. Eastbound bridge built 1999.
Cantilevered through truss bridge over Tennesee River on US 31/ALT US 72/AL 20
Open to traffic

Stearns Truss (Carroll County, Indiana)
Moved from Pulaski County and Rehabilitated in 2008
Stearns through truss bridge over Old Wabash & Erie Canal on Delphi Historic Trails in Delphi
Open to pedestrians

Steel Bridge (Multnomah County, Oregon)
Built 1912
Through truss bridge over Willamette River on OR 99W in Portland
Open to traffic

Stephens Bridge (Ouachita County, Arkansas)
Built 1928; rehabilitated 1990
Pony truss bridge over the railroad tracks on AR 57 in Stephens
Closed to all traffic

Stevenson Road Covered Bridge (Greene County, Ohio)
Built 1877 by the Smith Bridge Co.; rehabilitated 1975; closed to traffic 2003
Covered bridge over Massies Creek on Stevenson Road (CR 76) in Wilberforce
Open to pedestrians only

Stewart Covered Bridge (Lane County, Oregon)
Built in 1930 and remained in use until 1982. Due to flood water debris it was then closed. Restored in 1996.
Howe through truss bridge on Garoutte Road
Closed to all traffic

Stewart Park Road Bridge (Douglas County, Oregon)
Built 1946
Truss bridge over South Umpqua River on Stewart Park Road in Roseburg
Open to traffic

Stillions Bridge (Ashley County, Arkansas)
Built 1906 by the Pennsylvania Steel Co.
Through truss swing bridge over Saline River on the Fordyce and Princeton Railroad (formerly Rock Island) northwest of Crossett
Open to railroad traffic

Stillwater Covered Bridge (Columbia County, Pennsylvania)
Built 1849 by James McHenry
Covered bridge over Fishing Creek in Stillwater
Open to pedestrians only

Stinson Creek Railroad Bridge (Callaway County, Missouri)
Through truss bridge over Stinson Creek, just off Hickman Avenue in Fulton
Open to pedestrians only

Stockheughter Covered Bridge (Franklin County, Indiana)
Built 1887 by the Smith Bridge Co.; rehabilitated 1988
Covered bridge over Salt Creek on Enochsburg Road
Open to traffic

Stone Arch Road Bridge (Johnson County, Indiana)
Built 1885
Through truss bridge over Ninevah Creek on Stone Arch Road. Located in Atterbury Fish and Wildlife Area.
Open to traffic

Stone Creek Bridge (Fayette County, Illinois)
Built 1925; rehabilitated 1940
Pony truss bridge over Stone Creek on TR 438
Open to traffic

Stonelick Covered Bridge (Clermont County, Ohio)
Built 1878; rehabilitated 1971
Covered bridge over Stonelick Creek on Stonelick Williams Corner Road (CR 116)
Open to traffic

Stonelick Creek CR 116 Bridge (Clermont County, Ohio)
Built 1904 by the Champion Bridge Co.; rehabilitated 1982
Through truss bridge over Stonelick Creek on CR 116


Stones Branch Bridge (Bollinger County, Missouri)
Built 1922
Pony truss bridge over Stones Branch on MO 51, near the Route A intersection
Open to two-lane traffic on a paved road

Stones River TN 24 Bridge (Davidson County, Tennessee)
Built 1928
Through truss bridge over Stones River on TN 24 in Nashville
Open to 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
Open to traffic

Stranger Creek Bridge (Atchison County, Kansas)
Built 1925
Pony truss bridge over Stranger Creek, 0.5 mi. south and 0.5 mi. east of Farmington
Open to traffic

Stranger Creek Bridge (Atchison County, Kansas)
Built 1925; rehabilitated 1980
Pony truss bridge over Stranger Creek on Haskell Road, 0.5 mi. south of Farmington
Open to traffic

Stranger Creek Bridge (Leavenworth County, Kansas)
Through truss bridge over Stranger Creek on Metro Avenue, 5.0 mi. north and 0.7 mi. east of Linwood
Open to traffic

Stranger Creek Bridge (Atchison County, Kansas)
Built 1922
Pony truss bridge over Stranger Creek, 1.3 mi. north and 0.5 mi. east of Cummings
Open to traffic

Stranger Creek Bridge (Atchison County, Kansas)
Built 1925
Pony truss bridge over Stranger Creek, 2.2 mi. north and 5.0 mi. west of Cummings
Closed to all traffic

Streit Road Bridge (McHenry County, Illinois)
Pony truss bridge over North Branch Kishwaukee Creek on Streit Road
Open to two-lane traffic

Stringtown Bridge (Cole County, Missouri)
Built 1930; made obsolete by new bridge in 1974
Through truss bridge over North Moreau Creek on Hemstreet Road west of Jefferson City
Open to two-lane traffic

Stucker Creek IN 3 Bridge (Scott County, Indiana)
Built 1939; rehabilitated 1979
Pony truss bridge over Stucker Creek on IN 3
Open to traffic

Stuckey's Bridge (Lauderdale County, Mississippi)
Built 1901 by the Virginia Bridge & Iron Co.
Stearns through truss bridge over Chunky River on Stuckey Bridge Road
Closed to all traffic

Stueber Road Bridge (Crawford County, Missouri)
Built 1917
Pony truss bridge over a branch of Little Bourbeuse River on Stueber Road
Open to traffic

Stump Ford Bridge (Cedar County, Missouri)
Pony truss bridge over Cedar Creek on CR 274
Open to one-lane traffic

Sturgeon Road Bridge (Baraga County, Michigan)
Replaced 1994
Lost Pratt pony truss bridge over Sturgeon River on Sturgeon Road in Baraga
Replaced by new bridge

Sturgis Road Bridge (Faulkner County, Arkansas)
Originally built 1937 over Gold Creek on Sturgis Road; replaced and relocated in 1997
Relocated through truss bridge over an inlet of Gold Creek at Wilhelmina Cove Subdivision
Open to pedestrians only

Sugar Creek 2470E Bridge (Iroquois County, Illinois)
Built 1927
Lost through truss bridge over Sugar Creek on TR 324, 1.5 mi. east of Milford
Razed

Sugar Creek 331st Street Bridge (Cass County, Missouri)
Built ca. 1920
Pony truss bridge over Sugar Creek on 331st Street
Open to traffic

Sugar Creek 350 West Bridge (Boone County, Indiana)
Built ca. 1910
Through truss bridge over Sugar Creek on CR 350 West (Creek Road) just east of I-65
Open to one-lane traffic

Sugar Creek Branch 3000E Bridge (Iroquois County, Illinois)
Built 1916; rehabilitated 1933
Through truss bridge over a branch of Sugar Creek on 3000E Road, 2 mi. northeast of Stockland
Closed to all traffic

Sugar Creek Bridge (Pike County, Missouri)
Pony truss bridge over Sugar Creek on CR 115
Open to one-lane with a 7 ton weight traffic

Sugar Creek Bridge (Sullivan County, Indiana)
Built 1899
Through truss bridge over Sugar Creek on CR 550 West
Abandoned with deck removed

Sugar Creek Bridge (Shelby County, Indiana)
Built ca. 1920
Through truss bridge over Sugar Creek on CR 275 North
Open to traffic

Sugar Creek Covered Bridge (Sangamon County, Illinois)
Built 1880 by Thomas Black; rehabilitated 1965
Covered bridge over Sugar Creek at Covered Bridge Road southeast of Chatham in Chatham
Open to pedestrians only

Sugar Creek CR 203 Bridge (Maries County, Missouri)
Built 1998-99 with a superstructure relocated from elsewhere
Pony truss bridge over Sugar Creek on CR 203 south of Meta
Open to traffic

Sulfur Fork Bridge (Montgomery County, Tennessee)
Built 1890 by the Converse Bridge Company
Pratt through truss bridge over Sulfur Fork on an old alignment of the Old Clarksville-Springfield Rd. in Port Royal State Park
Open to pedestrians

Sulpher Lake Bridge (Redwood County, Minnesota)
Built 1927
Through truss bridge over Sulpher Lake on MN 19
Open to traffic

Sulphur Avenue Bridge (St. Louis, Missouri)
Built ca. 1925; made obsolete by new bridge in 1970
Baltimore through truss bridge over River Des Peres on Sulphur Avenue between I-44 and Manchester
Closed to all traffic

Sulphur Springs Railroad Bridge (Hillsborough County, Florida)
Through truss bridge over Hillsborough River on the former Seaboard Air Line Railway (now CSX)
Open to traffic

Sumnerville Station Bridge (Ottawa County, Kansas)
Built ca. 1930
Pony truss bridge over Solomon River on Quaker Road
Open to traffic

Suncook Connector Bridge (Merrimack County, New Hampshire)
Built 2007
Deck truss bridge over Suncook River and Buck Street on US 3 in Suncook
Open to traffic

Suncook River Bridge (Merrimack County, New Hampshire)
Built 1931, removed 2007.
Deck truss bridge over Suncook River on US 3 in Allenstown
Open to traffic

Sunny Valley Covered Bridge (Josephine County, Oregon)
Built 1920; rehabilitated 2001
Covered bridge over Grave Creek on Sunny Valley Loop
Open to traffic

Sunset Bridge (Polk County, Missouri)
Built 1884-85 on the Bolivar-Buffalo Road at Burns by the King Bridge Co.; relocated to Sunset Ford in 1931-32
Lost through truss bridge over Pomme de Terre River on 475th Road between the ends of Route Y and Route YY
No longer exists

Sunshine Drive Bridge (Jefferson County, Missouri)
Built 1934; replaced 2004
Lost through truss over Joachim Creek on Sunshine Drive (Old Route A) in Festus
Removed to make room for new concrete bridge

Supple Ford Bridge (Jones County, Iowa)
Built 1875; Washed away 1947 but hauled back and reset; Replaced 1991
Lost Bowstring pony truss bridge over South Fork Maquoketa River on Temple Hill Road in Clay Township
Replaced by new bridge