Smith Creek Katy Trail Bridge (Warren County, Missouri)
Through truss bridge over Smith Creek on the Katy Trail just off MO 94
Open to pedestrians and bicyclists only

Smith Creek Road Bridge (Moniteau County, Missouri)
Built ca. 1930
Pony truss bridge over Smith Creek on Smith Creek Road southwest of California
Open to traffic

Smith Road Bridge (Rock County, Wisconsin)
Built 1910
Single lane Pratt through truss bridge over Turtle Creek on Smith Road
Open to traffic

Smoky Hill River Bridge (Dickinson County, Kansas)
Built 1915
Through truss bridge over Smoky Hill River on Oat Road, 2.5 mi. east and 0.8 mi. south of Detroit
Closed to all traffic(?)

Smoky Hill River Bridge (McPherson County, Kansas)
Built 1919; rehabilitated 1989
Through truss bridge over Smoky Hill River on Syensk Road
Open to traffic

Smyrna Road Bridge (Christian County, Missouri)
Built 1912 by the Canton Bridge Co. of Canton, Ohio
Through truss bridge over Finley Creek on Smyrna Road northeast of Ozark
Open to one-lane traffic on a paved road

Snag Creek Bridge (Cedar County, Missouri)
Built ca. 1910
Pony truss bridge over Snag Creek on CR 1101
Open to traffic

Sni-A-Bar Creek Route H Bridge (Jackson County, Missouri)
Built 1929
Pratt through truss bridge over Sni-A-Bar Creek on Route H
Open to traffic

Sock Road Bridge (Dodge County, Wisconsin)
Built 1893; Demolished 1980
Lost Pratt through truss bridge over Beaver Dam River on Sock Road in Town of Lowell
Demolished 1980, replaced by new bridge

Sonora Road Bridge (Preble County, Ohio)
Built 1902
Through truss bridge over Twin Creek on TR 455
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 Cicero Avenue Bridge (Cook County, Illinois)
Built 1927; widened and rehabilitated 1966
Bascule bridge over the Chicago S&S Canal on S. Cicero Avenue (IL 50) in Chicago
Open to four lanes of traffic

South County Line Road Bridge (Montcalm County, Michigan)
Built 1880; Replaced 1996; Relocated
Relocated Pratt through truss bridge that was over Flat River on South County Line Road near Greenville
Relocated to Fred Meijer Heartland Trail and replaced by new bridge

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 Cane Creek Bridge (Carter County, Missouri)
Built 1922
Pony truss bridge over South Fork of Cane Creek south of Ellsinore on CR 256 (Old US 60)
Open to traffic with no posted weight limit

South Fork Powder River Bridge (Johnson County, Wyoming)
Built 1932
Deck truss bridge over South Fork Powder River on I-25 West Service Road (Old US 87) at Milepost 246.30
Open to traffic

South Fork Wolf River Bridge (Brown County, Kansas)
Built ca. 1940
Pony truss bridge over South Fork Wolf River, 1.3 mi. east and 4.5 mi. north of Everest
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 River CR 402 Bridge (Marion County, Missouri)
Built ca. 1930, replacing an earlier bridge
Pony truss bridge over South River on CR 402, east of Palmyra
Open to one-lane traffic

Southwest Fifth Street Bridge (Polk County, Iowa)
Built 1898 by J.H. Killmar; closed to traffic in 1993; rehabilitated 1998
Three-span through truss bridge over Raccoon River on SW 5th Street in Des Moines
Open to pedestrians only

Spalding Bridge (Menominee County, Michigan)
Built 1918; Moved 1934; Altered in 1988; Replaced 1995; Relocated 1997
Relocated Pratt pony truss bridge over Big Cedar River on Old US 2/Old US 41 in Spalding
Replaced by new bridge; Relocated 1997

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

Spencer's Crossing Bridge (Anderson County, Kansas)
Built 1885 by the Wrought Iron Bridge Co.; replaced 2005
Through truss bridge over Pottawatomie Creek, 0.6 mi. west and 0.1 mi. north of Greeley
Preserved

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

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 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 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 O Bridge (Jasper County, Missouri)
Built 1935
Through truss bridge over Spring River on Route O
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

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.

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 (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. 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; replaced 2005
Bedstead pony truss bridge over St. Laurent Creek on CR 930 southeast of St. Mary
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

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

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

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

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

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 (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

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

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 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 (Christian County, Kentucky)
Built 1894 by the Groton Bridge & Manufacturing Co. of Groton, NY. Replaced 1985
Lost bedstead pony truss bridge over Sugar Creek on KY 124
Replaced(?) by modern bridge

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

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

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

Surgoinsville Bridge (Hawkins County, Tennessee)
Built 1955
Pratt Truss bridge over Holston River on County Road 2604 in Surgoinsville
Open to traffic

Surprise School Bridge (Henry County, Missouri)
Lost through truss bridge over South Grand River near Gaines, probably beyond the end of Route W
Destroyed by the creation of Truman Reservoir

Swinney Park Footbridge (Allen County, Indiana)
Built in 1898 by the King Bridge Co. as a pedestrian bridge.
Pratt through truss bridge over St Mary's River on Park trail in Fort Wayne
Open to pedestrians

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

Tallman Road Bridge (Clinton County, Michigan)
Built 1880; Replaced 1996
Lost Pratt through truss bridge over Looking Glass River on Tallman Road in Eagle
Replaced by new bridge

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

Ten Eyck Road Bridge (Green County, Wisconsin)
Built 1907; Replaced 1996
Lost Pratt pony truss bridge over Sugar River on Ten Eyck Road in Town of Decatur
Replaced by new bridge

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

Terre Bleue Bridge (St. Francois County, Missouri)
Replaced in 1964
Lost through truss bridge over Terre Bleue Creek on Route K east of Bonne Terre
Replaced by a modern bridge

Terre Noire Branch AR 26 Bridge (Clark County, Arkansas)
Lost pony truss bridge over a branch of Terre Noire Creek on AR 26
No longer exists

Terre Noire Creek AR 26 Bridge (Clark County, Arkansas)
Replaced 1954
Lost through truss bridge over Terre Noire Creek on AR 26
Replaced by a new bridge

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)
Closed to all 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

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

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

Thompson Creek Bridge (East Feliciana Parish, Louisiana)
Built 1925
Through truss bridge over Thompson Creek on a local road, west of Norwood
Closed to all 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

Tiskilwa Bridge (Bureau County, Illinois)
Built 1884 by the Smith Bridge Co.; replaced 1995
Lost through truss bridge over Bureau Creek on TR 236 near Tiskilwa
Replaced by modern bridge

Trent Railroad Bridge (Moody County, South Dakota)
Abandoned pratt pony truss bridge over Big Sioux River on abandoned railroad
Abandoned

Trenton Viaduct (Grundy County, Missouri)
Built 1931; replaced 2003
Lost through truss bridge over the Union Pacific Railroad on MO 6 in Trenton
Replaced by a new bridge

Trickum Road Bridge (Pettis County, Missouri)
Built 1884-85 by the King Bridge Co. on the county seat road between Sedalia and Marshall. Relocated ca. 1920 a short distance to the southwest. Replaced by a new concrete bridge in 1991
Lost through truss over Heaths Creek on Trickum Road just west of the intersection between US 65 and Route BB
Replaced by a concrete bridge

Troutdale Bridge (Multnomah County, Oregon)
Built 1912
Through truss bridge over Sandy River on Historical Columbia River Highway in Troutdale
Open to traffic

Trunk Line Bridge (St. Clair County, Michigan)
Replaced 1990
Lost Pratt through truss bridge over Pine River on Griswold Road in Near Kimball
Replaced by new bridge

Tull Bridge (Saline County, Arkansas)
Built 1916 by the Boardman Co. of Oklahoma City, OK
Through truss bridge over Saline River on CR 5 (Old AR 291) at Tull
Closed with approaches removed and awaiting rehabilitation

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
Closed to all 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

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

University Heights Bridge (New York County, New York)
Originally built 1895; main span relocated in 1906; opened to traffic January 8, 1908
Swing bridge over Harlem River on W. 207th Street in New York
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
Closed to all traffic

Valley Road Bridge (Macoupin County, Illinois)
Through truss bridge over Macoupin Creek on Valley Road (TR 170) near Beaver Dam State Park
Open to one-lane traffic

Vanduser Bridge (Stoddard County, Missouri)
Built 1950
Through truss bridge over Spoil Bank on Route DD, west of Vanduser
Open to two-lane traffic

Verdigris River Bridge (Greenwood County, Kansas)
Pratt through truss bridge over Verdigris River, 3.0 mi. east and 1.5 mi. south of Madison
Open to traffic

Victor Bridge (Ravalli County, Montana)
Built 1907; replaced 2000
Lost through truss bridge over Bitterroot River on CR 404, just east of Victor
Replaced by new bridge

Vine Street Bridge (Butler County, Missouri)
Built 1883, replacing an earlier wooden toll bridge built by Daniel Kitchen in 1868 which had collapsed. Closed to traffic in 1968 because of poor condition, and soon replaced by a new concrete bridge at the same location
Lost through truss over Black River on Vine Street in Poplar Bluff
No trace of old bridge visible