Salt River KY 55 Bridge (Spencer County, Kentucky)
Built 1932
Through truss bridge over Salt River on KY 55 in Taylorsville
Open to traffic

Sam Eckman Covered Bridge (Columbia County, Pennsylvania)
Built 1876
Covered bridge over Little Fishing Creek on Covered Bridge Road, north of Sereno
Open to traffic

Sam Hill Memorial Bridge (Sherman County, Oregon)
Built 1962, Deck and rail replacement 2008
Through truss bridge over Columbia River on US 97
Open to traffic

Sample's Crossing Bridge (Fergus County, Montana)
Built 1899 by the King Bridge Co.; replaced by new bridge in 1948 but allowed to remain standing
Through truss bridge over Judith River on Route 81
Unknown status

Samson of the Cimarron (Seward County, Kansas)
Built in 1939 by the Rock Island Railroad: replacing several earlier bridges
Deck truss bridge over Cimarron River on Rock Island Railroad
Open to traffic

San Antonio Bridge (Conejos County, Colorado)
Built 1988
Pony truss bridge over Rio San Antonio on CR C west of US 285
Open to two-lane traffic

San Fernando Road over the Verdugo Wash (Los Angeles County, California)
1936
Pony truss bridge over Verdugo Wash on San Fernando Road in Glendale, Los Angeles County, California
Open to traffic

San Gabriel Canyon Road over the San Gabriel River (Los Angeles County, California)
Built 1933
Deck truss bridge over San Gabriel River on CA 39 in Azusa
Open to traffic

Sand Creek Bridge (Washington County, Oklahoma)
Built 1913
Through truss bridge over Sand Creek in Bartlesville
Closed to traffic

Sand Creek Bridge (Decatur County, Indiana)
Built 1925
Pratt through truss bridge over Sand Creek on CR 500 South.
Closed to traffic, bypass bridge being constructed.

Sand Creek IN 3 Bridge (Jennings County, Indiana)
Built 1935; rehabilitated 1982
Through truss bridge over Sand Creek on IN 3
Open to traffic

Sand Creek US 31 Bridge (Jackson County, Indiana)
Built 1936; rehabilitated 1995
Through truss bridge over Sand Creek on US 31
Open to traffic

Sandy Creek Covered Bridge (Jefferson County, Missouri)
Built 1872 by the House Springs, Big River Valley Macadamized and Gravel Road Co. at a cost of $2,000
Covered bridge over Sandy Creek on Lemay Ferry Road north of Hillsboro
Open to pedestrians only

Sandy Creek MO 79 Bridge (Lincoln County, Missouri)
Built 1938
Through truss bridge over Sandy Creek on MO 79 near Foley
Open to traffic

Sandy Ford Bridge (White County, Arkansas)
Built 1929; rehabilitated 1991; replaced 2007
Lost pony truss bridge over Bull Creek on Sandy Ford Road (CR 127)
Replaced by a new bridge

Sangamon River Bridge (Christian County, Illinois)
Through truss bridge over Sangamon River on TR 192, 5 mi. north of Mt Auburn
Closed to all traffic

Sangamon River Bridge (Sangamon County, Illinois)
Built ca. 1950
Two-span through truss bridge over Sangamon River on TR 171, 2.0 mi. east of Clear Lake
Open to traffic

Santa Clara River Railroad bridge (Los Angeles County, California)
Built in 1898 to connect Ventura and Saugus mainly for agricultural freight.
Through truss bridge over Santa Clara River on railroad in Santa Clarita
Closed to railroad traffic, popular jogging path

Santa Fe Avenue Bridge (Pueblo County, Colorado)
Built 1924 by the Pueblo Bridge Co.
Through truss bridge over the Arkansas River on eastbound US 50 (Santa Fe Avenue) in Pueblo
Open to two lanes of traffic

Santa Fe Bridge (Will County, Illinois)
Built 1935
Warren through truss bridge over Des Plaines River on Santa Fe Railroad in Joliet


Santa Fe Truss Bridge (Monroe County, Missouri)
Built 1888 as a two-span bridge near Florida by the St. Louis Bridge & Iron Co.; relocated here in 1932; replaced 1992
Lost wrought-iron through truss bridge over South Fork Salt River on CR 645 just south of Santa Fe
Replaced by a modern bridge

Santiam Railroad Bridge (Marion County, Oregon)
Built 1906
Pratt through truss bridge over Santiam River on Union Pacific Railroad in Jefferson
Open to traffic

Sappington Bridge (Crawford County, Missouri)
Built 1904; demolished Mar. 21, 2002; new concrete bridge completed Dec. 2002.
Lost through truss bridge over Meramec River southeast of Sullivan beyond the end of Route D
No longer exists

Satank Bridge (Garfield County, Colorado)
Built 1900 by the Pueblo Bridge Co.
Wooden through truss over Roaring Fork River on CR 106 near Carbondale
Closed to all traffic

Sauk Creek Bridge (Ozaukee County, Wisconsin)
Moved to this location ca. 1925
Pony truss bridge over Sauk Creek on Acess Road in Port Washington
Open to pedestrians

Saville Covered Bridge (Perry County, Pennsylvania)
Built 1903
Covered bridge over Buffalo Creek on PA 4001
Open to traffic

Sawyer Avenue Bridge (Taylor County, Wisconsin)
Built 1906; Replaced 1997; Status unknown
Pratt pony truss bridge over Black River on Sawyer Avenue in Town of Hammel


Saxton Ford Bridge (Buchanan County, Missouri)
Built 1925 by the Witham Construction Co.; replaced 1989
Lost through truss bridge over Platte River on Saxton-Easton Road
Replaced by a modern bridge

Scenic Bridge (Mineral County, Montana)
Built 1928; rehabilitated 1965
Deck truss bridge over Clark Fork on Old US 10 (CR 012)
Open to traffic

Schell City Bridge (Vernon County, Missouri)
Built 1906
Through truss bridge over Osage River on Rockville Road/Old River Road north of Schell City
Closed to all traffic

Schilpp Road Bridge (Lee County, Illinois)
Built 1915; relocated August 2006
Relocated pony truss bridge formerly over Five Mile Branch on Schilpp Road
Awaiting reconstruction at a site near Franklin Grove

Schneider's Ford Bridge (Cole County, Missouri)
Built 1897-98 by the Youngstown Bridge Co.; rehabilitated 1979; replaced 1988
Lost through truss over Moreau River on Bald Hill Road, southeast of Jefferson City
Replaced by a concrete bridge

Schomberg Road Bridge (Warren County, Missouri)
Built 1908
Bedstead pony truss bridge over Water Run Creek on Schomberg Road
Open to one-lane traffic

Schoneman Park Bridge (Rock County, Minnesota)
Built 1908 by the Hewett Bridge Co.; relocated here 1990
Kingpost pony truss bridge on a footpath within Schoneman Park, south of Luverne
Open to pedestrian traffic

Schoolhouse Trail Bridge (Madison County, Illinois)
Pratt pony truss bridge over IL 162 on MCT Schoolhouse Trail in Troy
Open to pedestrians

Schreyer Covered Bridge (Fairfield County, Ohio)
Built 1891, moved in 1987 to Schreyer farm on Basil Road.
Multiple Kingpost through truss bridge
Open to pedestrians

Scioto River CR 4 Bridge (Pickaway County, Ohio)
Built 1914 by the Oregonia Bridge Co.; rehabilitated 1983
Through truss bridge over Scioto River on CR 4
Open to traffic

Scioto-Darby Road Bridge (Pickaway County, Ohio)
Built 1910 by the The Oregonia Bridge Co., Lebanon, Oh.; rehabilitated 1986
Through truss bridge over Big Darby Creek on Scioto-Darby Road (CR 22)
Open to traffic

Scipio Covered Bridge (Jennings County, Indiana)
Built 1886; rehabilitated 1984
Covered bridge over Sand Creek on CR 575W
Open to traffic

Scofield Road Bridge (Dodge County, Wisconsin)
Built Prior to 1891, Moved to this location and reinforced in 1891; Rebuilt 1910 for highway use; Demolished circa 1996
Lost Double-intersection Warren pony truss bridge over Union Pacific Railroad (Formerly Chicago & Northwestern) on Scofield Road near Lebanon
Removed

Scott Highway Bridge (Lenawee County, Michigan)
Built 1897; Closed 1989; Replaced 1998
Lost Pratt through truss bridge over Black Creek on Scott Hwy near Blissfield
Replaced by new bridge

Scottsboro Bridge (Jackson County, Alabama)
Built 1930
Cantilevered through truss bridge over Tennessee River on AL 35 at Scottsboro
Open to traffic

Seal Bridge (Franklin County, Indiana)
Was originally connected to a barn that has since collapsed. Also originally had doors on it.
Abandoned queenpost through truss bridge over Big Cedar Creek
Abandoned

Searcy Bridge (White County, Arkansas)
Lost swing through truss bridge over Little Red River on US 67W (now Davis Road, CR 76)
No longer exists

Second Boonville Railroad Bridge (Cooper County, Missouri)
Built 1894-96, replacing the first Boonville bridge, but reusing the substructure. Replaced by the third and current Boonville bridge in 1932 on a slightly different
Lost through truss swing bridge over the Missouri River on the MKT Railroad at Boonville
Replaced by a new bridge

Second Creek Road Bridge (Clay County, Missouri)
Built or relocated here ca. 1970
Pony truss bridge over Second Creek on Second Creek Road at Smithville
Open to two-lane traffic

Second Hannibal Bridge (Jackson County, Missouri)
Built 1917 to replace First Hannibal Bridge; auto deck abandoned 1956
Through truss bridge over Missouri River on the BNSF Railroad in Kansas City
Open to railroad traffic

Seigrist's Mill Covered Bridge (Lancaster County, Pennsylvania)
Built 1885
Covered bridge over Big Chickies Creek on Seigrist Road
Open to traffic

Selby Avenue Bridge (Ramsey County, Minnesota)
Built 1890; modified 1960; closed to trafic in 1989; replaced 1993
Lost skewed through truss bridge over the Soo Line Railroad and Ayd Mill Road on Selby Avenue
Replaced by new bridge

Sellwood Bridge (Multnomah County, Oregon)
Built 1925
Deck truss bridge over Willamette River on Tacoma Street in Portland
Open to traffic

SEMO Port Railroad Bridge (Cape Girardeau County, Missouri)
Through truss bridge over the Diversion Channel on the SEMO Port Railroad south of Cape Girardeau
Open to railroad traffic

Seneca Bridge (Newton County, Missouri)
Through truss pedestrian bridge over Lost Creek in Seneca along MO 43
Open to pedestrians only

Seneca Bridge (La Salle County, Illinois)
Built 1932; rehabilitated 1986
Four-span through truss bridge over the Illinois River on IL 170 at Seneca
Open to two-lane traffic

Service Road Bridge (Cuyahoga County, Ohio)
Built 1922 by the King Bridge Co.
Through truss bridge over the Cuyahoga River on a service road within the Cuyahoga Valley National Park
Open to authorized National Park vehicles only

Settles Bridge (Forsyth County, Georgia)
Built 1896; abandoned 1950's
Abandoned pratt through truss bridge over Chattahoochee River on former Settles Bridge Road
Abandoned

Seven Mile Creek TR 331 Bridge (Preble County, Ohio)
Built 1906 by the Indiana Bridge Co. of Muncie, In.
Through truss bridge over Seven Mile Creek on TR 331
Open to traffic

Seven Mile Creek TR 333 Bridge (Preble County, Ohio)
Built 1931 by the Brookville Bridge Co. of Brookville, Oh.
Through truss bridge over Seven Mile Creek on TR 333
Open to traffic

Sevenmile Bridge (Mineral County, Colorado)
Built 1935; relocated 1981
Deck truss bridge over the Rio Grande at the entrance to Marshall Park Campground, just off CO 149
Open to traffic

Severn Creek KY 355 Bridge (Owen County, Kentucky)
Built 1942
Through truss bridge over Severn Creek on KY 355
Open to traffic

Sewell Bridge (Ripley County, Missouri)
Built 1924, but may have been moved to this location from elsewhere
Pony truss bridge over Little Black River on CR H-5, just north of Hemenway Bridge
Open to traffic

Shackelford Bridge (Cooper County, Missouri)
Built 1913
Through truss bridge over Lamine River on Shackelford Bridge Road
Open to traffic

Shaw Bridge (Saline County, Arkansas)
Built ca. 1920; replaced 1997
Lost through truss bridge over Saline River on Grand Avenue (CR 27) south of Benton
Replaced by a new bridge

Shaw Road Bridge (Jones County, Iowa)
Built 1924; rehabilitated 1954
Two-span through truss bridge over Wapsipinicon River on Shaw Road
Open to traffic

Shawnee Bridge (Warren County, Indiana)
Built 1905; rehabilitated 1980
Through truss bridge over Wabash River on CR 100 East
Open to traffic

Shawnee Ford Bridge (Franklin County, Missouri)
Built ca. 1920; rehabilitated 1990
Through truss bridge over Bourbeuse River on Shawnee Ford Road beyond the end of Route AN
Open to one-lane traffic with a 19 ton weight limit

Shelby Street Bridge (Davidson County, Tennessee)
Built 1907-09; rehabilitated for pedestrian use in 2003
Three-span through truss bridge over Cumberland River on Shelby Street in downtown Nashville
Open to pedestrians only

Shell Rock River Bridge (Cerro Gordo County, Iowa)
Built 1927; replaced 2003
Lost through truss bridge over Shell Rock River on a local road
No longer exists

Shell Rock River Bridge (Cerro Gordo County, Iowa)
Built ca. 1950
Through truss bridge over Shell Rock River on a local road
Open to traffic

Shell Rock River Bridge at Northwood (Worth County, Iowa)
Pratt pony truss bridge over Shell Rock River on pedestrian trail at Hurd Park in Norwood
Open to pedestrians

Shenk's Mill Covered Bridge (Lancaster County, Pennsylvania)
Built 1855; rehabilitated 1977
Covered bridge over Big Chickies Creek on Erisnan Road
Open to traffic

Sheridan Road Bridge (Saginaw County, Michigan)
Built 1923; Replaced 1993
Lost Pratt through truss bridge over Flint River on Sheridan Road in Taymouth Township
Replaced by new bridge

Sheyenne River Bridge (Griggs County, North Dakota)
Built 1912
Through truss bridge over Sheyenne River on a county highway, 1 mi. east and 8 mi. north of Cooperstown in Romness Township
Open to traffic

Shieldstown Covered Bridge (Jackson County, Indiana)
Built 1876 by J.J. Daniels
Covered bridge over East Fork White River
Open to pedestrians only

Shinn Covered Bridge (Washington County, Ohio)
Built 1886 by E.B. Henderson; rehabilitated 1998
Covered bridge over West Branch Wolf Creek on Palmer Road (TR 447)
Unknown status

Shippingsport Bridge (La Salle County, Illinois)
Lost 7 span through truss vertical lift bridge, replaced with a modern span.
Lost through truss bridge over Illinois River on once carried US 51 and later IL 351
Replaced by new bridge

Shirley AR 9 Bridge (Van Buren County, Arkansas)
Lost through truss bridge over Middle Fork Little Red River on AR 9 at Shirley
Replaced by a new bridge in 1960

Shirley Bridge (Van Buren County, Arkansas)
Built 1908 by the Wisconsin Bridge & Iron Co. as a railroad bridge; rehabilitated 1988
Through truss bridge over Middle Fork Little Red River on River Road (CR 125) just outside of Shirley in Shirley
Open to one-lane traffic

Shoemaker Covered Bridge (Columbia County, Pennsylvania)
Built 1881
Covered bridge over West Branch Run on Shoemaker Bridge Road (PA 4027)
Open to pedestrians only

Short Mountain Creek Bridge (Logan County, Arkansas)
Built 1928 by the Virginia Bridge & Iron Co.; rehabilitated 1976
Pony truss bridge over Short Mountain Creek on CR 64
Open to traffic

Short Road Bridge (Montgomery County, Missouri)
Built ca. 1910
Through truss bridge over Loutre River on Short Road
Open to traffic

Shreveport Railroad Bridge (Bossier Parish, Louisiana)
Rail bridge over Red River in Shreveport. Rail line is active. Build date unknown.
Through truss bridge over Red River on railroad in Shreveport
Open to traffic

Siam Steel Bridge (Carter County, Tennessee)
Built 1941
One lane, two-span Pratt Truss bridge over Watauga River on Steel Bridge Road (County Road 1011)
One lane bridge, open to traffic

Sibley Railroad Bridge (Jackson County, Missouri)
Originally built 1887-88 as a three-span Whipple through truss; later reconstructed with Parker through truss spans
Three-span through truss railroad bridge over the Missouri River at Sibley
Open to railroad traffic

Side Ditch Entrance Bridge (Dubuque County, Iowa)
Built 1900
Pony truss bridge over Side Ditch on an entrance road
Open to traffic

Silver Bridge (Franklin County, Arkansas)
Built ca. 1929 by the Lakeside Bridge & Steel Co.; rehabilitated 1976; closed to traffic Nov. 2006; Reopened Nov 2007
Three-span through truss bridge over Mulberry River on CR 67 (Wire Road) just north of I-40 in Mulberry
Open to traffic with 3 Ton weight Limit

Silver Creek Bridge (Cedar County, Missouri)
Lost pony truss bridge over Silver Creek on CR 1651
No longer exists

Silver Creek Bridge (Minnehaha County, South Dakota)
Built 1938
Through truss bridge over Silver Creek on 255th Street, 3 mi. north and 1 mi. east of Renner
Unknown status

Silver Creek IN 403 Bridge (Clark County, Indiana)
Built ca. 1940; rehabilitated 1976
Through truss bridge over Silver Creek on IN 403
Open to traffic

Sim Smith Covered Bridge (Parke County, Indiana)
Built 1883 by J.A. Britton; rehabilitated 1977
Covered bridge over Leatherwood Creek on CR N50W
Open to traffic

Singer Bridge (Miller County, Missouri)
Built ca. 1910
Through truss bridge over Tavern Creek on Singer Bridge Road (CR 52-60) just off MO 52 near St. Elizabeth
Open to one-lane traffic on a gravel road

Singing Bridge (Franklin County, Kentucky)
Built 1893; rehabilitated 1956
Through truss bridge over Kentucky River on US 60 in Frankfort
Open to traffic

Sinking Creek KY 144 Bridge (Breckinridge County, Kentucky)
Built ca. 1950
Through truss bridge over Sinking Creek on KY 144
Open to traffic

Sixth Street Bridge (Greene County, Arkansas)
Built 1934; rehabilitated 1995; removed sometime after 1997
Lost pony truss bridge over Eight Mile Creek on North Sixth Street in Paragould
No longer exists

Sixth Street Viaduct (Des Moines County, Iowa)
Built 1996; Enhanced 1903; Replaced 1993
Lost Pratt through truss bridge over Over BNSF Railroad & Valley Street on 6th Street in Burlington
Replaced by new bridge

Skillet Fork Bridge (Marion County, Illinois)
Built 1915
Through truss bridge over Skillet Fork on CH 30
Open to traffic

Skillet Fork Bridge (Marion County, Illinois)
Built 1946
Through truss bridge over Skillet Fork Creek on FAS 795, 1 mi. west of Helm
Open to traffic

Smackover Creek AR 7 Bridge (Union County, Arkansas)
Replaced 1990
Lost pony truss bridge over Smackover Creek on AR 7 (northbound)
Replaced by a new bridge

Smalling Bridge (Carter County, Tennessee)
Built 1941
Pratt Truss bridge over Watauga River on Smalling Road
Open to traffic, one-lane bridge

Smart Ditch Bridge (Jackson County, Indiana)
Through truss bridge over Smart Ditch on CR 600 East
Open to traffic

Smiley Bayou Bridge (Yell County, Arkansas)
Built 1923 by the International Steel & Iron Co.
Abandoned through truss bridge over Smiley Bayou on CR 5
Abandoned