Historic Bridges of the U.S.

Back Creek Bridge (Monroe County, West Virginia)
Built 1977
Metal arch bridge over Back Creek on CR 23/5
Open to traffic

Bay Road Bridge (Pope County, Illinois)
Built or relocated here in 1977
Pony truss bridge over Bay Creek on Bay Road (TR 137), 2.5 mi. west of Homberg
Open to two-lane traffic

Bayou Dularge LA 315 Bridge (Terrebonne Parish, Louisiana)
Built 1977
Bascule bridge over Bayou Dularge on LA 315 in Houma
Open to traffic

Big Mac Bridge (Hamilton County, Ohio)
Constructed started 1971; opened to limited traffic 1977; dedicated 1981; entire I-471 project completed 1985
Pair of tied-arch bridges over the Ohio River on I-471 in Cincinnati
Open to eight total lanes of traffic

Big Spring Bridge (Carter County, Missouri)
Built 1977, replacing an earlier wooden bridge
Wooden bridge over Spring Branch on MO 103 at Big Spring Park
Open to traffic

Bunker Hill Road Bridge (Jones County, Iowa)
Built 1977
Pony truss bridge over Bears Creek on Bunker Hill Road
Open to traffic

Caddo Creek Bridge (Carter County, Oklahoma)
Built 1977
Pony truss bridge over Caddo Creek on N3190
Open to traffic

CR 4 Bridge No. 1 (McKinley County, New Mexico)
Built 1977
Pony truss bridge over Big House Canyon on CR 4
Open to traffic

Crooked Creek Bridge (Cass County, Iowa)
Built 1977
Pony truss bridge over Crooked Creek on a local road
Open to traffic

East Nodaway River Bridge (Adams County, Iowa)
Built 1977
Pony truss bridge over East Nodaway River on a local road
Open to traffic

East River Bridge (Taylor County, Iowa)
Built 1977
Pony truss bridge over East River on a local road
Open to traffic

Hackberry Bridge (Cameron Parish, Louisiana)
Built 1977
Swing bridge over Kelso Bayou on LA 27 at Hackberry
Open to traffic

Harms Road Bridge (Klickitat County, Washington)
Built 1977
Pony truss bridge over Swale Creek on Harms Road
Open to traffic

Intracoastal Waterway LA 27 Bridge (Calcasieu Parish, Louisiana)
Built 1977
Vertical lift bridge over the Intracoastal Waterway on LA 27
Open to traffic

Meridian Bridge (Sutter County, California)
Built 1977
Swing bridge over Sacramento Riv(Meridian) on CA 20
Open to traffic

Middle Lick Creek CR 472 Bridge (Audrain County, Missouri)
Built 1977; replaced 2005
Lost pony truss bridge over Middle Lick Creek on CR 472
No longer exists

New River Gorge Bridge (Fayette County, West Virginia)
Opened Oct. 22, 1977
Massive steel arch bridge over New River on US 19
Open to traffic

Nishnabotna River Bridge (Audubon County, Iowa)
Built 1977
Pony truss bridge over Nishnabotna River on a local road
Open to traffic

Nose Rock Wash Bridge (McKinley County, New Mexico)
Built 1977
Pony truss bridge over Nose Rock Wash on CR 43
Open to traffic

Paradise Creek Bridge (Crawford County, Iowa)
Built 1977; rehabilitated 1993
Pony truss bridge over Paradise Creek on a local road
Open to traffic

Second Clark Lane Bridge (Union County, Illinois)
Built 1977
Wooden deck bridge over a branch of Dutch Creek on Clark Lane (TR 72)
Open to one-lane traffic with a 7 ton weight limit

South Branch Rock Creek Bridge (Somerset County, Maryland)
Built 1977
Wooden bridge over South Branch Rock Creek on MD 363
Open to traffic

Tolt River Bridge (King County, Washington)
Built 1977
Through truss bridge over Tolt River on WA 203 in Carnation
Open to traffic

Unnamed Creek Bridge (Cass County, Iowa)
Built 1977
Pony truss bridge over an unnamed creek on a local road
Open to traffic

Unnamed Creek Bridge (Comanche County, Oklahoma)
Built 1977
Pony truss bridge over an unnamed creek on IRR 1662C
Open to traffic

West Nodaway River Bridge (Cass County, Iowa)
Built 1977
Pony truss bridge over West Nodaway River on a local road
Open to traffic