Seamans Neck Road Bridge (Nassau County, New York)
Built 1957
Concrete arch bridge over Southern State Parkway on Seamans Neck Road in Levittown
Open to traffic

Shoal Creek Route DD Bridge (Livingston County, Missouri)
Built 1957
Pony truss bridge over Shoal Creek Drainage Ditch on Route DD
Open to traffic

Silver Creek Bridge (Calhoun County, Illinois)
Built 1957
Pony truss bridge over Silver Creek on TR 19B, 2.2 mi. northwest of Kampsville
Open to traffic

Skykomish River Bridge (Snohomish County, Washington)
Built 1957
Through truss bridge over Skykomish River on WA 203 in Monroe
Open to traffic

Slade Creek Bridge (Saratoga County, New York)
Built 1957; rehabilitated 1965
Steel arch bridge over Slade Creek on NY 29 in Saratoga Springs
Open to traffic

Slater Road Bridge (Whatcom County, Washington)
Built 1957
Through truss bridge over Nooksack River on Slater Road in Ferndale
Open to traffic

Soldier River Bridge (Crawford County, Iowa)
Built 1957
Through truss bridge over Soldier River on a local road
Open to traffic

South Branch Forest River Bridge (Grand Forks County, North Dakota)
Built 1957
Pony truss bridge over South Branch Forest River on a county highway, 2 mi. north and 12 mi. west of Inkster in Elkmount Township
Open to traffic

Southern State Parkway Bridge (Suffolk County, New York)
Built 1957
Concrete arch bridge over Southern State Parkway on NY 110 in East Farmingdale
Open to traffic

St. Cloud Division Street Bridge (Stearns County, Minnesota)
Built 1957; closed to traffic March 2008
Warren deck truss bridge over Mississippi River on MN 23 (Division Street) in St. Cloud
Closed to all traffic

St. Johns Creek Route YY Bridge (Franklin County, Missouri)
Built 1957
Three-span pony truss bridge over St. Johns Creek on Route YY
Open to two-lane traffic

St. Jones River Bridge (Kent County, Delaware)
Built 1957
Concrete arch bridge over St. Jones River on Court Street in Dover
Open to traffic

Steese Highway Bridge (Yukon-Koyukuk Census Area, Alaska)
Built 1957
Pony truss bridge over Crooked Creek on Steese Highway in Circle
Open to traffic

Steese Highway Bridge (Yukon-Koyukuk Census Area, Alaska)
Built 1957
Through truss bridge over Birch Creek on Steese Highway in Circle
Open to traffic

Stoddard County Road 316 Bridge (Stoddard County, Missouri)
Built 1957; replaced ca. 2004
Lost wooden deck bridge over a drainage ditch on CR 316
No longer exists

Sugar Creek 300E3 Bridge (Parke County, Indiana)
Built 1957
Concrete arch bridge over Sugar Creek on CR 300E3
Open to traffic

Swift Creek Bridge (Skamania County, Washington)
Built 1957
Deck truss bridge over Swift Creek
Open to traffic

TC Steele Road Bridge (Brown County, Indiana)
Built 1957
Pony truss bridge over North Fork Salt Creek on TC Steele Road
Open to traffic

Ten Mile Creek Bridge (Asotin County, Washington)
Built 1957
Pony truss bridge over Ten Mile Creek on CR 209
Open to traffic

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

Tug Fork Bridge (McDowell County, West Virginia)
Built 1957
Concrete arch bridge over Tug Fork on US 52 in Welch
Open to traffic

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

Unnamed Creek Bridge (Ringgold County, Iowa)
Built 1957
Pony truss bridge over an unnamed creek on a local road
Open to traffic

Walnut Street Bridge (New Castle County, Delaware)
Built 1957
Bascule bridge over Christina River on Walnut St. in Wilmington
Open to traffic

Walt Whitman Bridge (Philadelphia County, Pennsylvania)
Built 1957; rehabilitated 1998
Suspension bridge over Delaware River on I-76 in Philadelphia
Open to traffic

Wapsipinicon River Bridge (Chickasaw County, Iowa)
Built 1957
Pony truss bridge over Wapsipinicon River on a local road
Open to traffic

Whippoorwill Road Bridge (Caldwell County, Missouri)
Built 1957
Pony truss bridge over a branch of Shoal Creek on Whippoorwill Road
Open to traffic

Whitewater River US 27 Bridge (Wayne County, Indiana)
Built 1957; rehabilitated 1986
Concrete arch bridge over Whitewater River on US 27
Open to traffic

Wind River Bridge (Skamania County, Washington)
Built 1957
Deck truss bridge over Wind River on Wind River Road in Carson
Open to traffic