Structurally deficient

Snow Hill Covered Bridge (Franklin County, Indiana)
Built 1894 by William Butts and John Horn; rehabilitated 1987
Covered bridge over Johnson Fork Whitewater River on Snow Hill Road
Open to traffic

Snyder Covered Bridge (Columbia County, Pennsylvania)
Built 1876
Covered bridge over Roaring Creek on Rarig Road, southeast of Catawissa
Open to traffic

Soledad Canyon Road over UPRR Tracks (Los Angeles County, California)
Built 1938
Rainbow arch bridge over UP Railroad on Soledad Canyon Road
Open to traffic

South Boat Ditch Bridge (Clark County, Arkansas)
Built ca. 1928
Through truss bridge over South Boat Ditch on CR 8
Open to one-lane traffic

South Boat Ditch US 67 Bridge (Clark County, Arkansas)
Built 1931 by the Virginia Bridge & Iron Co. of Roanoke, Virginia
Pony truss bridge over South Boat Ditch on US 67
Open to two-lane traffic

South Fork 186A Bridge (Christian County, Illinois)
Pony truss bridge over South Fork Sangamon River on TR 186A, 5 mi. southwest of Rosamond
Open to traffic

South Fork Blue River Main Street Bridge (Washington County, Indiana)
Built 1884; rehabilitated 1987 and 2007
Through truss bridge over South Fork Blue River on Main Street in New Pekin
Open to traffic

South Fork Bridge (Christian County, Illinois)
Pony truss bridge over South Fork Sangamon River on TR 343, 8 mi. west of Rosamond
Open to traffic

South Fork Bridge (Christian County, Illinois)
Pony truss bridge over South Fork Sangamon River on TR 307A, 7 mi. east of Morrisonville
Open to traffic

South Fork TR 343 Bridge No. 2 (Christian County, Illinois)
Pony truss bridge over South Fork Sangamon River on TR 343, 8 mi. west of Rosamond
Open to traffic

South Island Bridge (Will County, Illinois)
Pony truss bridge over East Branch Kankakee River on West Street, 0.25 mi. north of Kahler Rd
Open to one-lane traffic

South Moreau Creek Route D Bridge (Cole County, Missouri)
Built 1956
Through truss bridge over South Moreau Creek on Route D
Open to one-lane traffic

South Wea Creek Bridge (Miami County, Kansas)
Built 1915
Concrete arch bridge over South Wea Creek, 3.0 mi. south and 0.6 mi. west of Louisburg
Open to traffic

Sparkman Street Bridge (Morgan County, Alabama)
Built 1915
Concrete arch bridge over Shoal Creek on Sparkman Street in Hartselle
Open to traffic

Sparks Ferry Bridge (Jackson County, Indiana)
Built ca. 1890; closed to traffic 2006
Two-span through truss bridge over East Fork White River on Sparks Ferry Road
Open to pedestrians only

Spillman Creek Bridge (Lincoln County, Kansas)
Built ca. 1910
Pony truss bridge over Spillman Creek, 1.3 mi. north and 2.0 mi. east of Vesper
Open to traffic

Spoede Road Bridge (St. Louis County, Missouri)
Built 1937
Steel stringer bridge over I-64/US 40 on Spoede Road in Frontenac
Open to traffic above, but scheduled for demolition

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

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 (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 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 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 River Old US 60 Bridge (Lawrence County, Missouri)
Built 1927
Concrete tee beam bridge over Spring River on Business US 60 near Verona
Open to two-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 Road Bridge (Grundy County, Illinois)
Built 1910
Three-span concrete girder bridge over Mazon River on Spring Road (TR 105), .3 mi. east of Campbell Rd
Open to one-lane traffic

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

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 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. 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. 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

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

Stone Arch Road Bridge (Johnson County, Indiana)
Built 1885
Through truss bridge over Ninevah Creek on Stone Arch Road
Open to traffic

Stones River TN 24 Bridge (Davidson County, Tennessee)
Built 1928
Through truss bridge over Stones River on TN 24 in Nashville
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 (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 1925; rehabilitated 1980
Pony truss bridge over Stranger Creek on Haskell Road, 0.5 mi. south of Farmington
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

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

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

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

Sugar Creek 2470E Bridge (Iroquois County, Illinois)
Built 1927
Through truss bridge over Sugar Creek on TR 324, 1.5 mi. east of Milford
Closed to all 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
Open to 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 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 (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
Closed to all traffic

Sugar Creek Bridge (Sullivan County, Indiana)
Built 1935
Concrete arch bridge over Sugar Creek on CR 400 West
Open to traffic

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

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

Sumner Avenue Bridge (Humboldt County, Iowa)
Built 1919
Three-span concrete arch bridge over West Fork Des Moines River on Sumner Avenue in Humboldt
Open to traffic

Sumnerville Station Bridge (Ottawa County, Kansas)
Built ca. 1930
Pony truss bridge over Solomon River on Quaker Road
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 Creek US 160 Bridge (Taney County, Missouri)
Built 1951
Two-span through truss bridge over Swan Creek (part of Bull Shoals Lake) on US 160 near Forsyth
Open to two-lane traffic

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

Tallahatchie River Bridge (Panola County, Mississippi)
Built 1940
Through truss bridge over Tallahatchie River on MS 6 west of Batesville
Open to two-lane traffic

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

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

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

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

Tennessee River Bridge (Morgan County, Alabama)
Built 1931
Through truss bridge over Tennessee River on US 231/AL 53 in Huntsville
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

Terre Noire Creek US 67 Bridge (Clark County, Arkansas)
Built 1931 by the Virginia Bridge & Iron Co. of Roanoke, Virginia
Pony truss bridge over Terre Noire Creek on US 67
Open to traffic

Texas Creek Bridge (Fremont County, Colorado)
Built 1907 by the Pueblo Bridge Co.
Pony truss bridge over Arkansas River on CR 27 at Texas Creek
Open to traffic

Texas Street Bridge (Bossier Parish, Louisiana)
Built 1934; rehabilitated 1984
Cantilevered through truss bridge over Red River on US 80 in Shreveport
Open to four-lane traffic

Thayer Viaduct (Oregon County, Missouri)
Built by M.S. Cartter & Co. of St. Louis
Through truss bridge over the BNSF railroad and Two Mile Creek on MO 19/Business US 63 in Thayer
Open to two-lane traffic

The Sny Bridge (Pike County, Illinois)
Through truss bridge over The Sny on TR 136, 2 mi. south of Rockport
Open to traffic

Third Street Bridge (Allen County, Ohio)
Built 1912
Arch bridge over Flat Fork Creek on Third Street in Delphos
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 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 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

Tippah River Bridge (Marshall County, Mississippi)
Built 1937
Wooden bridge over Tippah River on MS 178 (Old US 78) northwest of Potts Camp
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

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

Topanga Canyon Road over Garapito Creek (Los Angeles County, California)
Built 1927
Concrete arch bridge over Garapito Creek on CA 27 in Los Angeles
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

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

Town Creek Bridge (Hinds County, Mississippi)
Built 1914
Stringer bridge over Town Creek on South Street in Jackson
Open to traffic

Township Road 7 Bridge (Moultrie County, Illinois)
Through truss bridge over an unnamed creek on TR 7, 3.3 mi. northwest of Lovington
Closed to all traffic

TR 177A Bridge (Jasper County, Illinois)
Arch bridge over an unnamed creek on TR 177A, 2.5 mi. northeast of Willow Hil
Open to traffic

TR 193 Bridge (Crawford County, Illinois)
Built 1912
Arch bridge over an unnamed creek on TR 193, 2 mi. southeast of Oblong
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

Tuque Creek Bridge (Warren County, Missouri)
Built 1933
Pony truss bridge over Tuque Creek on MO 47/94 just southeast of Marthasville
Open to two-lane traffic

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