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

Sundial Bridge (Shasta County, California)
The Sundial Bridge is a bridge that spans the Sacramento River in Redding, CA. It was designed by Santiago Calatrava and completed in 2004 at a cost of 23 Million Dollars.
Cantilevered through truss bridge over Sacramento River.
Open to pedestrians

SW Fifth Street Bridge (Polk County, Iowa)
Built 1898; rehabilitated 1998
Three-span through truss bridge over Raccoon River on SW 5th Street in Des Moines
Open to pedestrians only

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

Swift River Covered Bridge (Carroll County, New Hampshire)
Built 1869
Covered bridge over Swift River on West Side Road in Conway
Open to pedestrians only

Switzer Covered Bridge (Franklin County, Kentucky)
Built 1855. Rehabilitated in 1906 and again 1990. Bridge placed on National Register of Historic Places in 1974. Bridge was washed off its supports on March 1, 1997, but restored in 1998.
Howe through truss bridge over North Elkhorn Creek on KY 1262
Open to pedestrians

Taylor Branch Katy Trail Bridge (St. Charles County, Missouri)
Wooden trestle over Taylor Branch on the Katy Trail just off MO 94
Open to pedestrians and bicyclists only

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

Tenth Street Bridge (Cascade County, Montana)
Built 1920 by Porter Brothers Co. of Spokane, WA
Eight-span open-spandrel arch bridge over the Missouri River on 10th Street in Great Falls
Open to pedestrians only

Thompson Mill Covered Bridge (Shelby County, Illinois)
Built 1868 at a cost of $2,500
Covered bridge over Kaskaskia River north of Cowden
Open to pedestrians only

Tioga Road Bridge (Carroll County, Indiana)
Built 1890 by the Wrought Iron Bridge Co.
Two-span through truss bridge over Tippecanoe River on Tioga Road
Open to pedestrians only

Towpath Bridge (Coshocton County, Ohio)
Built ca. 1872; reconstructed from parts at a later date
Iron pony truss footbridge over the Ohio & Erie Canal at Uppermost Triple Locks in Roscoe Village
Open to pedestrians only

Tunnel Drive Tunnel No. 1 (Fremont County, Colorado)
Tunnel on the Tunnel Drive Trail in Canon City
Open to pedestrians only

Tunnel Drive Tunnel No. 2 (Fremont County, Colorado)
Tunnel on the Tunnel Drive Trail in Canon City
Open to pedestrians only

Tunnel Drive Tunnel No. 3 (Fremont County, Colorado)
Tunnel on the Tunnel Drive Trail in Canon City
Open to pedestrians only

Tunnel Hill Tunnel (Johnson County, Illinois)
Tunnel on the Tunnel Hill State Trail (originally Cairo and Vincennes Railroad) under Tunnel Hill
Open to pedestrians and bicyclists only

Tunnelton Foot Bridge (Preston County, West Virginia)
Through truss bridge over CSX Mainline on Pedestrian Walkway, North St. to South St
Open to pedestrians

Turkey Creek Katy Bridge (Callaway County, Missouri)
Built 1926 by the American Bridge Co.
Through truss bridge over Turkey Creek on the Katy Trail (former MKT Railroad) north of Jefferson City in Jefferson City
Open to pedestrians and bicyclists only

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

Union Covered Bridge (Monroe County, Missouri)
Built 1870-71 by Joseph C. Elliott; closed to traffic in 1970; rehabilitated 1987-88
Covered bridge over Elk Fork Salt River, just off Route C southwest of Paris
Open to pedestrians only

Upper Elgin Bridge (Bastrop County, Texas)
Built 1923
Pony truss bridge over Wilbarger Creek on a pedestrian walkway
Open to pedestrians only

Van Buren Avenue Bridge (Stephenson County, Illinois)
Built 1885 by the Wrought Iron Bridge Co.
Through truss bridge over Pecatonica River on N. Van Buren Avenue in Freeport
Open to pedestrians only

Victorian Footbridge (St. Louis, Missouri)
Built 1885; rehabilitated 1994
Metal suspension bridge on a trail west of Forest Park Parkway
Open to pedestrians only

Vienna City Park Bridge (Johnson County, Illinois)
Built 1906 by the King Bridge Co.
Pony plate girder bridge on the Tunnel Hill State Trail (originally Cairo and Vincennes Railroad) over Little Cache Creek at Vienna City Park in Vienna
Open to pedestrians and bicyclists only

Village Creek Bridge (Jefferson County, Alabama)
Built ca. 1940
Through truss bridge over Village Creek on a pedestrian walkway in Birmingham
Open to pedestrians only

Wabash Railroad Bridge (Marion County, Iowa)
Built 1882 for the Wabash Railroad; rehabilitated for vehicular traffic in 1951
Three-span through truss bridge over Des Moines River on 216th Place
Open to pedestrians only

Waco Suspension Bridge (McLennan County, Texas)
Built 1869-70; rehabilitated 1914
Suspension bridge over the Brazos River on Bridge Street in Waco
Open to pedestrians only

Waddell 'A' Truss Bridge (Platte County, Missouri)
Built 1898 for the Quincy, Omaha and Kansas City Railway. Abandoned in 1939, but converted into a highway bridge on MO 4 in 1953. Dismantled in 1980 to make room for Smithville Reservoir, but relocated and reassembled in 1987 as a pedestrian bridge
Through truss bridge originally spanning Linn Branch Creek in Clinton County near Trimble, but relocated to Parkville
Open to pedestrians only

Wagner Covered Bridge (Columbia County, Pennsylvania)
Originally built 1856 over Roaring Creek; recently relocated
Relocated covered bridge next to Hunt Club Road, west of Bloomsburg
Open to pedestrians only

Wagoner's Mill Covered Bridge (Perry County, Pennsylvania)
Built 1889
Covered bridge over Bixler Run on Wagner Road (TR 579)
Open to pedestrians only

Wainscott Creek Katy Bridge (Callaway County, Missouri)
Wooden trestle over Wainscott Creek on the Katy Trail (former MKT Railroad) just west of the junction of MO 94 and Route AA
Open to pedestrians and bicyclists only

Walnut Street Bridge (Wabasha County, Minnesota)
Built 1904
Through truss bridge over North Branch Zumbro River at the end of Walnut Street in Mazeppa
Open to pedestrians only

Walnut Street Bridge (Hamilton County, Tennessee)
Built 1889-91
Six-span through truss bridge over the Tennessee River on Walnut Street in Chattanooga
Open to pedestrians only

Warsaw Upper Bridge (Benton County, Missouri)
Built 1927 by Joseph Dice; closed to traffic in 1979; rehabilitated 2007
Swinging bridge over Osage River on MO 7 (formerly Route A) in Warsaw
Open to pedestrians only

Waterville Bridge (Lebanon County, Pennsylvania)
Built 1890 by the Berlin Iron Bridge Co.; relocated 1985
Lenticular through truss bridge over Swatara Creek on the Appalachian Trail in Fort Indiantown Gap
Open to pedestrians only

Watonwan River Bridge (Watonwan County, Minnesota)
Built 1908
Through truss bridge over Watonwan River in Madelia
Open to pedestrians only

Waverly Railroad Bridge (Bremer County, Iowa)
Deck plate girder bridge over Cedar River on former railroad now a pedestrian trail in Waverly
Open to pedestrians

Wawona Bridge (Mariposa County, California)
Built in 1878 this bridge is located in the south part of Yosemite National Park. Just down the hill from historic Wawona Hotel.
Bridge over South Fork of Merced River
Open to pedestrians

Wea Creek Bridge (Shawnee County, Kansas)
Built 1870 by the Buckeye Bridge Works; relocated 1988
Relocated bowstring truss bridge on the grounds of the Kansas State Historical Society in Topeka
Open to pedestrians only

Wells Street Bridge (Allen County, Indiana)
Built 1884 by the Wrought Iron Bridge Co.
Whipple through truss bridge over St. Marys River on Wells Street in Fort Wayne
Open to pedestrians only

Wertz Covered Bridge (Berks County, Pennsylvania)
Built 1867 or 1869
Covered bridge over Tulpehocken Creek on Red Bridge Road
Open to pedestrians only

West Union Covered Bridge (Parke County, Indiana)
Built 1876 by J.J. Daniels; bypassed in 1964
Two-span covered bridge over Sugar Creek on CR N525W, north of West Union
Open to pedestrians only

Whittier Covered Bridge (Carroll County, New Hampshire)
Built 1870
Covered bridge over Bearcamp River on Old NH 25 in Ossipee
Open to pedestrians only

Wildcat Creek Bridge (Riley County, Kansas)
Built as a railroad bridge, but abandoned and converted to pedestrian use.
Warren through truss bridge over Wildcat Creek on Linear Park Trail (formerly an abandoned railroad line)
Open to pedestrians

Windsor Harbor Bridge (Jefferson County, Missouri)
Originally built 1875 by the Keystone Bridge Co. over River Des Peres at Lemay Ferry in St. Louis. Relocated to Kimmswick in 1930; bypassed by new bridge in 1985.
Wrought-iron through truss over Rock Creek at Kimmswick in Imperial
Open to pedestrians only

Wishart Bridge (Polk County, Missouri)
Wooden trestle over a branch of Slagle Creek on the Frisco Highline Trail at Wishart
Open to pedestrians only

Zane Gray Bridge (Muskingum County, Ohio)
Originally built 1909 by the Mt. Vernon Bridge Co. over Salt Creek on Wheeling Road (TR 442). Relocated 2000.
Pony truss bridge on the grounds of the National Road/Zane Gray Museum, east of Zanesville
Open to pedestrians only

Zinc Swinging Bridge (Boone County, Arkansas)
Built ca. 1927
Swinging footbridge over Sugar Orchard Creek in the town of Zinc
Open to pedestrians only

Zumbrota Covered Bridge (Goodhue County, Minnesota)
Originally built 1869; relocated in 1932, 1970, and finally 1997
Relocated covered bridge over North Fork Zumbro River in Zumbrota
Open to pedestrians only