Swan Creek Arch Bridge (Taney County, Missouri)
Built 1932 by contractor M.E. Gillioz; made obsolete in 1951 by the parallel truss bridge
Open-spandrel arch bridge over Swan Creek (part of Bull Shoals Lake) on Old US 160 near Forsyth
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

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

Sweet Potato Road Bridge (Union County, Illinois)
Built 1937
Wooden bridge over Mill Creek on Sweet Potato Road (TR 285) just off IL 127, 0.7 mi. north of Mill Creek
Open to one-lane 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

Table Rock Lake MO 39 Bridge (Barry County, Missouri)
Built 1958
Cantilevered through truss bridge over Table Rock Lake (White River) on MO 39 near Shell Knob
Open to two-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

Tallahatta Creek Bridge (Lauderdale County, Mississippi)
Built 1953
Steel stringer bridge over Tallahatta Creek on US 80
Open to traffic

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

Taos Gorge Bridge (Taos County, New Mexico)
Built 1965
Deck truss bridge over Rio Grande on US 64, northwest of Taos
Open to traffic

Tauy Creek Bridge (Franklin County, Kansas)
Built ca. 1920
Pony truss bridge over Tauy Creek, 3.0 mi. east of N. Otawa
Open to 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

Teilbur Bridge (Clay County, Iowa)
Built 1907 by the Clinton Bridge & Iron Works
Through truss bridge over Little Sioux River on 470th Street/240th Avenue east of US 71
Open to one-lane traffic with a weight limit

Temporal Road Trestle (Pulaski County, Missouri)
Built 1941 as part of a railroad spur to Fort Leonard Wood
Massive wooden trestle on the US Army Railroad over Temporal Road and an unnamed creek
Open to railroad traffic

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

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

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

Tennessee River I-24 Bridge (Marshall County, Kentucky)
Built 1974
Pair of steel through arch bridges over the Tennessee River on I-24
Open to traffic

Tennessee River Railroad Bridge (Hamilton County, Tennessee)
Built 1920
Vertical lift through truss bridge over Tennessee River on the Norfolk Southern Railway in Chattanooga
Open to railroad 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

Terre Rouge Creek US 67 Bridge (Hempstead County, Arkansas)
Built 1931 by the Virginia Bridge & Iron Co.
Pony truss bridge over Terre Rouge Creek on US 67
Open to two-lane 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

Thebes Bridge (Alexander County, Illinois)
Built 1905 by a consortium of five railroad companies
Cantilevered through truss railroad bridge over the Mississippi River at Thebes
Open to railroad traffic on two tracks

Theodosia Bridge (Ozark County, Missouri)
Built 1941; rehabilitated 1951
Ten-span through truss bridge over Little North Fork White River (arm of Bull Shoals Lake) on US 160 near Theodosia
Open to two-lane traffic

Third Avenue Bridge (Linn County, Iowa)
Built 1912; rehabilitated 1966
Arch bridge over Cedar River on Third Avenue in Cedar Rapids
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

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

Third Street Bridge (Goodhue County, Minnesota)
Built 1910 by A.Y. Bayne & Co. of Minneapolis and Louis P. Wolff, engineer
Through truss bridge over Cannon River on Third Street in Cannon Falls
Open to one-lane 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 (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 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 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

Thunder Bridge (Clay County, Iowa)
Built 1905
Through truss bridge over Little Sioux River on 355th Street (Thunder Bridge Road) just off 4th Street in Spencer
Open to one-lane traffic

Tice Railroad Bridge (Lee County, Florida)
Built ca. 1903 as a swing bridge by the Atlantic Coast Line Railroad; main span replaced 1977 with a bascule draw
Bascule bridge over the Caloosahatchee River on the Seminole Gulf Railway in North Fort Myers
Open to traffic

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

Times Beach Railroad Bridge (St. Louis County, Missouri)
Three-span deck truss bridge over Meramec River on the BNSF Railroad at Times Beach, near Deicke Road
Open to railroad 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

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

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

Tippecanoe River IN 119 Bridge (Pulaski County, Indiana)
Built 1948; rehabilitated 1996
Through truss bridge over Tippecanoe River on IN 119
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

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

Town Creek Bridge (Hinds County, Mississippi)
Built 1957
Stringer bridge over Town Creek on State Street in Jackson
Open to traffic

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

Trimble Creek IN 25 Bridge (Kosciusko County, Indiana)
Built 1946
Concrete arch bridge over Trimble Creek on IN 25
Open to traffic

Tunkhannock Viaduct (Wyoming County, Pennsylvania)
Built 1912-15 for the Lackawanna Railroad
Massive ten-span concrete arch bridge over Tunkhannock Creek on the Canadian Pacific Railroad at Nicholson
Open to traffic

Tunnel No. 1 (Jefferson County, Colorado)
Built 1951
Tunnel on US 6 west of Golden
Open to two-lane traffic

Tunnel No. 2 (Jefferson County, Colorado)
Built 1941
Tunnel on US 6 west of Golden
Open to two-lane traffic

Tunnel No. 3 (Jefferson County, Colorado)
Built 1957
Tunnel on US 6 west of Golden
Open to two-lane traffic

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 63 Bridge (Callaway County, Missouri)
Built 1924; rehabilitated 1940
Concrete bridge with balustrade over Turkey Creek on Cedar City Drive (Old US 63) in Jefferson City
Open to two-lane 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 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

Turnback Creek Route DD Bridge (Lawrence County, Missouri)
Built 1955
Pony truss bridge over Turnback Creek on Route DD
Open to one-lane traffic

Turner Station Railroad Bridge (Greene County, Missouri)
Pony plate girder railroad bridge over James River just south of the Turner Station Bridge near Route D
Open(?) to railroad traffic

Tuscumbia Bridge (Miller County, Missouri)
Built 1932
Through and deck truss bridge over the Osage River on MO 17 at Tuscumbia
Open to two-lane traffic, but in poor condition

Twelfth Avenue Bridge (Linn County, Iowa)
Built 1974
Five-span open-spandrel arch bridge over Cedar River on 12th Avenue in Cedar Rapids
Open to traffic

Twelfth Street Viaduct (Jackson County, Missouri)
Built 1915; rehabilitated 1965 and 2006
Concrete viaduct over the railroad tracks on Twelfth Street, just west of downtown Kansas City
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

Twin Bridges North Fork Bridge (Douglas County, Missouri)
Built 1931
Three-span open-spandrel arch bridge over North Fork White River on MO 14 at Twin Bridges
Open to two-lane traffic

Twin Bridges Spring Creek Bridge (Douglas County, Missouri)
Built 1931
Two-span open-spandrel arch bridge over Spring Creek on MO 14 at Twin Bridges
Open to two-lane traffic

Two Bayou Creek AR 274 Bridge (Ouachita County, Arkansas)
Built 1942
Wooden stringer bridge over Two Bayou Creek on AR 274
Open to traffic

Two Mile Creek Bridge (Polk County, Arkansas)
Built 1920
Through truss bridge over Two Mile Creek on CR 37 (Old US 71)
Open to one-lane traffic

Two Mile Creek Relief Bridge (Polk County, Arkansas)
Built 1923
Pony truss bridge over Two Mile Creek Relief on CR 37 (Old US 71)
Open to one-lane traffic

Two Mile North/ Golf Course Bridge (Lyon County, Iowa)
Built 1980 Replaces a five span bridge built in 1900. Original bridge consisted of a 244 ft. long combination steel trestle with a 7 panel Pratt through truss bridge as its main span (130 ft.)
Stringer bridge over Rock River on Local road
Open to traffic

Tyler Park Bridge (Jefferson County, Kentucky)
Built 1904
Stone arch bridge over a pedestrian underpass on KY 1703 in Tyler Park
Open to traffic

Underwood Avenue Bridge (Marshall County, Iowa)
Steel stringer bridge over Unnamed creek on Underwood Avenue and Merle Hibbs Blvd
Open to traffic

Union Avenue Bridge (Pueblo County, Colorado)
Built 1925; rehabilitated 1988
Two-span deck truss bridge over the Arkansas River on Union Avenue in Pueblo
Open to traffic

Union Road and 1500 Avenue Bridge (Dickinson County, Kansas)
Timber stringer bridge over Union Road and 1500 Avenue on Abandoned Railroad Line
Open to traffic

Unnamed Creek Bridge (Winneshiek County, Iowa)
Built 1946
Pony truss bridge over an unnamed creek on a local road
Open to traffic

Upper Bluffton Bridge (Winneshiek County, Iowa)
Built 1878 by the Wrought Iron Bridge Co.
Through truss bridge over Upper Iowa River on W. Ravine Road
Open to one-lane traffic

Upper Iowa River Bridge (Winneshiek County, Iowa)
Built 1900
Through truss bridge over Upper Iowa River on a local road
Open to traffic

Upper Iowa River Bridge (Winneshiek County, Iowa)
Rehabilitated 1974
Through truss bridge over Upper Iowa River on a local road
Open to traffic

Upper Sulphur Creek Bridge (Orange County, Indiana)
Built ca. 1920
Pony truss bridge over Upper Sulphur Creek on CR 100 South
Open to traffic

Upper Sulphur Creek Bridge (Orange County, Indiana)
Built ca. 1920
Pony truss bridge over Upper Sulphur Creek on CR 200 South
Open to traffic

UPRR Bridge (Tama County, Iowa)
Built ca. 1920
Pony truss bridge over UPRR on a local road
Open to traffic

UPRR Bridge (Boone County, Iowa)
Built 1900
Pony truss bridge over UPRR on a local road
Open to traffic

UPRR Bridge (Boone County, Iowa)
Built 1900
Pony truss bridge over UPRR on a local road
Open to traffic

UPRR Bridge at Shell Rock Crossing (Freeborn County, Minnesota)
Deck plate girder bridge over Shell Rock River on UPRR Parallel to US 65 in Glennville
Open to traffic

US 11/49 Interchange Bridge (Forrest County, Mississippi)
Built 1946
Concrete bridge over US 11 on US 49 in Hattiesburg
Open to traffic above and below