Soper Road Bridge (Clinton County, New York)
Built 1910; rehabilitated 1960
Through truss bridge over Saranac River on Soper Road
Open to traffic

South Front Street Bridge (Union County, New Jersey)
Built 1922; rehabilitated 1974
Bascule bridge over Elizabeth River on South Front Street in Elizabeth
Open to traffic

Spile Bridge Road Bridge (St. Lawrence County, New York)
Built 1890; rehabilitated 1977
Through truss bridge over Black Lake Outlet on Spile Bridge Road
Open to traffic

Sprucevale Road Bridge (Columbiana County, Ohio)
Built 1950
Two-span pony truss bridge over Little Beaver Creek on Sprucevale Road (TR 428) in Calcutta
Open to traffic

St. Mary's River Bridge (Nassau County, Florida)
Built 1927
Swing bridge over St. Mary's River on US 17
Closed to all traffic

State Line Road Bridge (Columbiana County, Ohio)
Built 1914 by the Central Construction Co.; rehabilitated 1970
Pony truss bridge over North Fork Little Beaver Creek on State Line Road (TR 945)
Open to traffic

Steamboat Slough Bridge (Sacramento County, California)
Built 1924; rehabilitated 1953
Bascule bridge over Steamboat Slough on CA 160
Open to traffic

Stone Run Bridge (Erie County, Pennsylvania)
Built 1940; replaced ca. 1996
Lost pony truss bridge over Stone Run on TR 301 (Boyce Road)
Closed to all traffic

Sturgeon Bay Bridge (Door County, Wisconsin)
Built 1978
Bascule bridge over Sturgeon Bay on WI 42/WI 57 in Sturgeon Bay
Open to traffic

Sudbury River Bridge (Middlesex County, Massachusetts)
Built 1878; rehabilitated 1952
Pony truss bridge over Sudbury River on Main Street in Framingham
Closed to all traffic

Sugar Run Bridge (Brooke County, West Virginia)
Built 1901
Pony truss bridge over Sugar Run on WV 67
Open to traffic

Sutterby Road Bridge (Cayuga County, New York)
Built 1900; rehabilitated 2002
Pony truss bridge over Sterling Creek on Sutterby Road
Open to traffic

The Gut Bridge (Lincoln County, Maine)
Built 1933; rehabilitated 1984
Swing bridge over The Gut on 129 in South Bristol
Open to traffic

Tonawanda Creek Bridge (Erie County, New York)
Built 1937; rehabilitated 1984
Through truss bridge over Tonawanda Creek on Burdick Road (CR 258)
Open to traffic

Townsend Gut Bridge (Lincoln County, Maine)
Built 1939; rehabilitated 1987
Swing bridge over Townsend Gut on ME 27 in Southport
Open to traffic

Tuscarora Creek Bridge (Juniata County, Pennsylvania)
Built 1902; rehabilitated 1950
Through truss bridge over Tuscarora Creek on PA 3008
Open to traffic

Tygart Valley River Bridge (Randolph County, West Virginia)
Built 1900; rehabilitated 1993
Through truss bridge over Tygart Valley River on CR 37
Open to traffic

Upper Lisle Road Bridge (Broome County, New York)
Built 1902; rehabilitated 1992
Through truss bridge over Otselic River on Upper Lisle Road
Open to traffic

US Canal Bridge (Brown County, Wisconsin)
Built 1932; rehabilitated 1965
Bascule bridge over US Canal on Main Street (WI 32) in De Pere
Open to traffic

Valley Street Bridge (Berkshire County, Massachusetts)
Built 1890; rehabilitated 1983
Pony truss bridge over Housatonic River on Valley Street in Lee
Open to traffic

Vangorders Mill Road Bridge (Lawrence County, Pennsylvania)
Built 1891; rehabilitated 1954
Through truss bridge over Slippery Rock Creek on Vangorders Mill Road
Open to traffic

Venetian Causeway Bridge (Miami-Dade County, Florida)
Built 1927
Bascule bridge over Biscayne Bay (Frac Crt) on Venetian Causeway in Miami Beach
Open to traffic

W. Cherry Street Bridge (Milwaukee County, Wisconsin)
Built 1940
Bascule bridge over Milwaukee River on W. Cherry Street in Milwaukee
Open to traffic

W. Juneau Avenue Bridge (Milwaukee County, Wisconsin)
Built 1953
Bascule bridge over Milwaukee River on W. Juneau Avenue in Milwaukee
Open to traffic

W. Wisconsin Avenue Bridge (Milwaukee County, Wisconsin)
Built 1975
Vertical lift bridge over Milwaukee River on W. Wisconsin Avenue in Milwaukee
Open to traffic

Wabash Road Bridge (Lancaster County, Pennsylvania)
Built 1936; rehabilitated ca. 1970
Pony truss bridge over Cocalico Creek on Wabash Road
Open to traffic

Walnut Grove Xing Bridge (Sacramento County, California)
Built 1952
Bascule bridge over Sacramento River on Walnut Grove Xing in Walnut Grove
Open to traffic

Walnut Street Bridge (Livingston County, New York)
Built 1895; rehabilitated 1952
Pony truss bridge over Keshequa Creek on Walnut Street in Nunda
Open to traffic

Walworth Road Bridge (Wayne County, New York)
Built 1911; rehabilitated 1990
Through truss bridge over Erie Canal on Walworth Road
Open to traffic

Ward Drive Bridge (Erie County, New York)
Built 1933; rehabilitated 1975
Deck truss bridge over Big Gulf Creek on Ward Drive
Open to traffic

Washington Crossing Bridge (Bucks County, Pennsylvania)
Built 1904
Through truss bridge over Delaware River on PA 32-NJ 29
Open to traffic

Washington Street Bridge (Suffolk County, Massachusetts)
Built 1900; rehabilitated 1956
Through truss bridge over Charles River on N. Washington Street in Boston
Open to traffic

Waterbury Road Bridge (Oswego County, New York)
Built 1942; rehabilitated 1965
Pony truss bridge over Salmon River on Waterbury Road
Open to traffic

Waterloo Road Bridge (Morris County, New Jersey)
Built 1894
Pony truss bridge over Musconetcong River on Waterloo Road in Netcong
Open to traffic

Wawa Station Road Bridge (Delaware County, Pennsylvania)
Built 1882
Pony truss bridge over Chester Creek on Wawa Station Road in Chester Heights
Open to traffic

West Branch Penobscot River Bridge (Penobscot County, Maine)
Built 1935
Through truss bridge over West Branch Penobscot River on ME 116 in Medway
Open to traffic

West Ferry Street Bridge (Erie County, New York)
Built 1913
Bascule bridge over Black Rock Canal on West Ferry Street in Buffalo
Open to traffic

West Fork Fish Creek Bridge (Wetzel County, West Virginia)
Built 1893
Through truss bridge over West Fork of Fish Creek on CR 12 in Littleton
Open to traffic

West River Bridge (Windham County, Vermont)
Built 1919
Through truss bridge over West River on C3062 in Dummerston
Closed to all traffic

Wheeling Suspension Bridge (Ohio County, West Virginia)
Built 1849; rehabilitated 1999
Suspension bridge over Ohio River on WV 251 in Wheeling
Open to traffic

White Salmon Bridge (Hood River County, Oregon)
Built 1924
Deck truss bridge over Columbia River on I-84 in Hood River
Open to traffic

Wicomico River Bridge (Wicomico County, Maryland)
Built 1928; rehabilitated 1980
Bascule bridge over Wicomico River on MD 991 in Salisbury
Closed to all traffic

Willow Springs Road Bridge (Fayette County, Texas)
Built 1910
Through truss bridge over Cummins Creek on Willow Springs Road
Open to traffic

Willuski River Bridge (Clatsop County, Oregon)
Built 1980
Vertical lift bridge over Willuski River on OR 202
Open to traffic

Wisconsin Avenue Bridge (Outagamie County, Wisconsin)
Built 1984
Vertical lift bridge over US Government Canal Fox River on Wisconsin Avenue in Kaukauna
Open to traffic

Wishkah River Bridge (Grays Harbor County, Washington)
Built 1949
Swing bridge over Wishkah River on US 12 in Aberdeen
Open to traffic

Wishkah River Bridge (Grays Harbor County, Washington)
Built 1925; rehabilitated 2003
Bascule bridge over Wishkah River on US 12 in Aberdeen
Open to traffic

Wolf River Bridge (Winnebago County, Wisconsin)
Built 1934; rehabilitated 1975
Bascule bridge over Wolf River on WI 116 (Main Street) in Winneconne
Open to traffic

Wood Battle Road Bridge (Lewis County, New York)
Built 1939; rehabilitated 1963
Pony truss bridge over Cobb Creek on Wood Battle Road
Open to traffic

Y-Camp Road Bridge (Columbiana County, Ohio)
Built 1950; rehabilitated 1996
Pony truss bridge over West Fork Little Beaver on Y-Camp Road (TR 914)
Open to traffic

Yaleville Road Bridge (St. Lawrence County, New York)
Built 1892; rehabilitated 1969
Through truss bridge over Raquette River on Yaleville Road in Norfolk
Open to traffic