Split Rock Bridge (Pipestone County, Minnesota)
Built 1938 by the Works Progress Administration
Stone arch bridge at Split Rock Creek State Park on CR 54
Open to traffic

Sprague River Bridge I (Klamath County, Oregon)
Built 1944
Bridge over Sprague River on Sprague River Highway in Sprague River
Open to traffic

Sprague River Bridge II (Klamath County, Oregon)
Built 1944
Concrete deck girder bridge over Sprague River on Sprague River Highway
Open to 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 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 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 Lake Bridge (Yell County, Arkansas)
Built 1936 by the United States Resettlement Administration (WPA)
Small two-span stone arch bridge over Bob Barnes Branch at Spring Lake Recreation Area
Open to traffic

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 CR 74 Bridge (Fulton County, Arkansas)
Built 1916 by H.B. Walton
Five-span concrete deck girder bridge over Spring River on CR 74 (Old US 63) in Mammoth Spring
Open to one-lane traffic

Spring Street Bridge (Crawford County, Missouri)
Built 1937 by the Works Progress Administration
Stringer bridge over Yadkin Creek on Spring Street in Steelville
Open to one-lane traffic with a 15 ton weight limit

Spring Street Bridge (Floyd County, Indiana)
Built ca. 1920
Four-span concrete arch bridge over Silver Creek on Spring Street in Clarksville
Open to 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

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

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. Elmo Bridge (Chaffee County, Colorado)
Built 1953
Wooden deck bridge over Chalk Creek on CR 267 at St. Elmo
Open to one-lane 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. 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. Laurent Creek CR 930 Bridge (Perry County, Missouri)
Built ca. 1930
Bedstead pony truss bridge over St. Laurent Creek on CR 930 southeast of St. Mary
Open to traffic on a gravel road with a 4 ton weight limit

Stark Steet Bridge (Multnomah County, Oregon)
Built 1915
Concrete arch bridge over an unnamed draw on Stark Steet
Open to 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 Street Bridge (Fountain County, Indiana)
Built 1963
Pony truss bridge over Coal Creek on State Street in Veedersburg
Open to 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 Creek Bridge (Cowley County, Kansas)
Built 1904
Stone arch bridge over Stewart Creek on a local road east of Udall
Open to one-lane traffic

Steyer Bridge (Winneshiek County, Iowa)
Limestone deck arch was locally built by Michael Steyer.
Bridge over Twin Springs Creek on Oneata Drive
Open to traffic

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

Stony Creek Bridge (Glenn County, California)
Built 1913; rehabilitated 1952
Concrete arch bridge over Stony Creek on CA 99W
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
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

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

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
Open to one-lane 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

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 Bridge (Sullivan County, Indiana)
Built 1899
Through truss bridge over Sugar Creek on CR 550 West
Closed to all traffic

Sugar Creek Bridge (Sullivan County, Indiana)
Built 1935
Concrete arch bridge over Sugar Creek on CR 325 West
Open to traffic

Sugar Creek Bridge (Iroquois County, Illinois)
Built 1904(?)
Steel through arch bridge over Sugar Creek on 900N Road (CH 9), 3.25 mi. east of Milford
Open to one-lane traffic

Sugar Creek Bridge (Sullivan County, Indiana)
Built 1935
Concrete arch bridge over Sugar Creek on CR 400 West
Open to 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 (Shelby County, Indiana)
Built ca. 1920
Through truss bridge over Sugar Creek on CR 275 North
Open to traffic

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

Sugar Creek CR 930E Bridge (Clinton County, Indiana)
Closed pony truss bridge over Sugar Creek on CR 930 East
Closed to all traffic

Sulphur Creek Bridge (Sullivan County, Indiana)
Built 1925
Concrete arch bridge over Sulphur Creek on CR 600 East
Open to traffic

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

Swan Creek Bridge (Osage County, Missouri)
Built ca. 1930
Pony truss bridge over Swan Creek on CR 625
Open to one-lane traffic

Swan Street Bridge (Jefferson County, Kentucky)
Built 1911
Concrete arch bridge over South Fork Beargrass Creek on Swan Street in Louisville
Open to traffic

Swann Covered Bridge (Blount County, Alabama)
Built 1933
Covered bridge over Locust Fork River on Swann Bridge Road
Open to traffic

Swede Creek Bridge (Riley County, Kansas)
Built ca. 1940
Pony truss bridge over Swede Creek on Carlson Road, 4.9 mi. east and 6.4 mi. north of Randolph
Open to traffic

Sylamore Creek Swinging Bridge (Stone County, Arkansas)
Built 1943; rehabilitated 1985
Swinging bridge over South Sylamore Creek on CR 238 (Old AR 14)
Open to one-lane traffic

Talbot Stone Arch Bridge (Lawrence County, Missouri)
Derelict stone arch bridge over a branch of Spring River in Talbot Conservation Area, near CR 1082
Abandoned and partially collapsed

Tallahatchie River Bridge (Union County, Mississippi)
Built 1927; made obsolete by a new bridge in 1955
Pony truss bridge over Tallahatchie River on CR 115 (Old MS 15) at New Albany
Abandoned with northern approach spans missing

Tama Lincoln Highway Bridge (Tama County, Iowa)
Built 1915 by Paul Kingsley
Concrete bridge over Mud Creek on 5th Street E in Tama
Open to traffic

Tauy Creek Bridge (Franklin County, Kansas)
Built 1895 by the Kansas City Bridge Co.
Through truss bridge over Tauy Creek on Nebraska Road, northeast of Ottawa
Closed to all traffic

Tauy Creek Bridge (Franklin County, Kansas)
Built ca. 1920, removed June 2008
Pony truss bridge over Tauy Creek, 3.0 mi. east of N. Otawa
No longer exists

Taylor Bridge (Marion County, Missouri)
Built 1929, replacing an earlier bridge
Through truss bridge over North Fabius River on CR 313 (Old US 24/61)
Open to traffic with a weight limit

Teegarden Covered Bridge (Columbiana County, Ohio)
Built 1876 by Robinson and McCracken
Covered bridge over Middle Fork Little Beaver on Eagleton Road (TR 761)
Open to pedestrians only

Ten Mile Creek Bridge (Winneshiek County, Iowa)
Built 1900
Pony truss bridge over Ten Mile Creek on a local road
Open to traffic

Ten Mile Creek Bridge (Miami County, Kansas)
Built ca. 1910; replaced 2004
Lost through truss bridge over Ten Mile Creek, 6.0 mi. north and 6.6 mi. west of Louisburg
No longer exists

Ten Mile Creek Bridge (Winneshiek County, Iowa)
Built ca. 1895
Pony truss bridge over Ten Mile Creek on Happy Hollow Road
Open to traffic

Tennessee Avenue Bridge (Allen County, Indiana)
Built 1912; rehabilitated 1998
Two-span arch bridge over St. Joseph River on Tennessee Avenue in Fort Wayne
Open to traffic

Terre Noire Creek CR 10 Bridge (Clark County, Arkansas)
Built 1928; rehabilitated 1995
Through truss bridge over Terre Noire Creek on CR 10 (Bateman Road)
Open to traffic

Thatcher Bridge (Franklin County, Idaho)
Built 1910 by H.J. Forbes & Co.; replaced 1984
Lost Pratt through truss bridge over Bear River on FAS 1769
Replaced by new bridge

The Old Road over Castaic Creek (Los Angeles County, California)
Built 1931
Bridge over Castaic Creek on The Old Road
Open to traffic

The Old Road over the Santa Clara River (Los Angeles County, California)
Built 1928
Steel stringer bridge over Santa Clara River on The Old Road in Santa Clarita
Open to traffic

Third Street Bridge (Ottawa County, Kansas)
Built 1915
Concrete arch bridge over Pipe Creek on 3rd Street in Minneapolis
Open to traffic

Thomas Bridge or Waveland Bridge (Shawnee County, Kansas)
Open-spandrel arch bridge over Wakarusa River on Wanamaker Road
Open to traffic

Thompson Creek Bridge (East Feliciana Parish, Louisiana)
Built 1925
Through truss bridge over Thompson Creek on a local road, west of Norwood
Open to one-lane traffic, but in very poor condition

Thompson Creek Bridge (Mercer County, Kentucky)
Built 1935
Pony truss bridge over Thompson Creek on Central Pike
Open to traffic

Thompson Creek Bridge (Polk County, Arkansas)
Built 1925
Pony truss bridge over Thompson Creek on CR 37 (Old US 71)
Open to traffic

Thompson River 3rd Street Bridge (Grundy County, Missouri)
Built 1921
Two-span through truss bridge over Thompson River on 3rd Street (Old MO 6) west of Trenton
Open to traffic

Timber Bridge (Callaway County, Missouri)
Built 1992
Wooden bridge over Hillers Creek on CR 328
Open to traffic

Timpas Bridge (Otero County, Colorado)
Built 1924, rehabilitated in 1966
Through truss bridge over Timpas Creek on CR N, just off US 350
Open to one-lane traffic

Tippecanoe River 75 East Bridge (Pulaski County, Indiana)
Built ca. 1890
Two-span through truss bridge over Tippecanoe River on Road 75 East, south of Winamac
Closed to all traffic

Tippecanoe River Bridge (Pulaski County, Indiana)
Built 1948
Pony truss bridge over Tippecanoe River on CR 625 East in Monterey
Open to traffic

Tipton Ford Bridge (Newton County, Missouri)
Built ca. 1920
Deck girder bridge over Shoal Creek on Old US 71 at Tipton Ford
Open to traffic with a 15 ton weight limit

Tobias Bridge (Jefferson County, Indiana)
Built 1885; rehabilitated 2004
Wrought-iron through truss bridge over Big Creek on CR 1360 West
Open to one-lane traffic

Tongue River Bridge (Sheridan County, Wyoming)
Built 1917
Parker Pony truss bridge over Tongue River on CN3-71
Open to traffic

Tongue River Bridge (Custer County, Montana)
Built 1897 by W.S. Hewett & Co.
Through truss bridge over Tongue River on CR 054 in Miles City
Closed to all traffic

Tonovay Bridge (Greenwood County, Kansas)
Built 1928
Marsh arch bridge over Bachelor Creek on Old US 54, 1.0 mi. north and 5.3 mi. east of Eureka
Open to traffic

Toston Bridge (Broadwater County, Montana)
Built 1919-20 by Security Bridge Co. of Billings; made obsolete by new bridge in 1955
Through truss bridge over Missouri River on CR 415 (Old US 287) at Toston
Open to traffic

Totten Ford Bridge (Crawford County, Indiana)
Built ca. 1910; rehabilitated 1995
Through truss bridge over Blue River on CR 590 North
Open to traffic

Town Branch Bridge (Polk County, Missouri)
Small two-span arch bridge over Town Branch on 435th Road in Bolivar
Open to traffic

Tull Bridge (Saline County, Arkansas)
Through truss bridge over Saline River on CR 5 (Old AR 291) west of Tull in Tull
Closed with approaches removed and awaiting rehabilitation

Turkey Creek Bridge (Cedar County, Missouri)
Built ca. 1940; rehabilitated 1984
Pony truss bridge over Turkey Creek on CR 752 (Powerline Road)
Open to one-lane traffic

Turkey Creek Bridge (Benton County, Missouri)
Built ca. 1930; rehabilitated 1974
Pony truss bridge over Turkey Creek on CR SE 810 near the end of Route PP
Open to traffic

Turkey Creek Old US 65 Bridge (Pettis County, Missouri)
Built 1925
Pony truss bridge over Turkey Creek on Claycomb Road (Old US 65) north of Sedalia
Open to traffic

Turkey Knob Bridge (Polk County, Missouri)
Through truss bridge over Little Sac River on 505th Road, southeast of Aldrich
Closed to all traffic

Turkey River Bridge (Winneshiek County, Iowa)
Built 1873 by the Wrought Iron Bridge Co.
Bowstring through truss bridge over Turkey River on Little Church Road
Open to traffic

Turnback Creek Old US 66 Bridge (Lawrence County, Missouri)
Built 1923; made obsolete by new bridge on US 66 (now MO 96) in 1960
Three-span pony truss bridge over Turnback Creek on Old US 66
Open to traffic with a 3 ton weight limit

Turner Station Bridge (Greene County, Missouri)
Built ca. 1925
Through truss bridge over James River on FM 148 (Old Route D) east of Springfield
Only to pedestrians only, but could still handle two-lane vehicular traffic

Twin Bridge (Hendricks County, Indiana)
Built 1886
Closed through truss bridge over West Fork White Lick Creek on CR 50 South
Closed to all traffic

Twin Bridge (Fayette County, Iowa)
Built ca. 1910 by N.M. Stark & Co.
Concrete arch bridge over Little Volga River on 130th Street
Open to traffic

Twin Bridges No. 1 Bridge (Washington County, Arkansas)
Built 1922 by the Luten Bridge Co.
Closed-spandrel arch bridge over Barron Fork on CR 3412, just off CR 11 (Bush Valley Road)
Open to traffic

Twin Bridges No. 2 Bridge (Washington County, Arkansas)
Built 1922 by the Luten Bridge Co.
Closed-spandrel arch bridge over an unnamed creek, just off CR 11 (Bush Valley Road)
Open to traffic