Built 1971
11th Street Viaduct (Minnehaha County, South Dakota)Built 1971; rehabilitated 1986
Steel stringer bridge over 3rd Ave, Big Sioux R & RR on 11th Street in Sioux Falls
Open to traffic
Adolph Whitaker Road Bridge (Holmes County, Florida)
Built 1971; rehabilitated 2000
Truss bridge over Wrights Creek on Adolph Whitaker Road
Open to traffic
Built 1971; rehabilitated 2000
Truss bridge over Wrights Creek on Adolph Whitaker Road
Open to traffic
Atchafalaya River LA 1 Bridge (Avoyelles Parish, Louisiana)
Built 1971
Three-span through truss bridge over Atchafalaya River on LA 1 at Simmesport in Simmesport
Open to traffic
Built 1971
Three-span through truss bridge over Atchafalaya River on LA 1 at Simmesport in Simmesport
Open to traffic
Bayou Dulac LA 57 Bridge (Terrebonne Parish, Louisiana)
Built 1971
Swing bridge over Bayou Dulac on LA 57 in Dulac
Open to traffic
Built 1971
Swing bridge over Bayou Dulac on LA 57 in Dulac
Open to traffic
Bayou Teche LA 322 Bridge (St. Mary Parish, Louisiana)
Built 1971
Swing bridge over Bayou Teche on LA 322 in Franklin
Open to traffic
Built 1971
Swing bridge over Bayou Teche on LA 322 in Franklin
Open to traffic
Bear Creek Bridge (Searcy County, Arkansas)Built 1971
Wooden bridge over Bear Creek on CR 278
Open to one-lane traffic
Big Creek Ditch AR 349 Bridge (Craighead County, Arkansas)Built 1971
Pony truss bridge over Big Creek Ditch on AR 349
Open to two-lane traffic
Boone Pond Ditch Bridge (Stoddard County, Missouri)Built 1971
Wooden deck bridge over Boone Pond Ditch on CR 250
Open to one-lane traffic
Boyer River Bridge (Crawford County, Iowa)
Built 1971
Pony truss bridge over Boyer River on a local road
Open to traffic
Built 1971
Pony truss bridge over Boyer River on a local road
Open to traffic
Boyer River Bridge (Crawford County, Iowa)
Built 1971
Pony truss bridge over Boyer River on a local road
Open to traffic
Built 1971
Pony truss bridge over Boyer River on a local road
Open to traffic
Branch Des Moines River Bridge (Van Buren County, Iowa)
Built 1971
Pony truss bridge over a branch of Des Moines River on a local road
Open to traffic
Built 1971
Pony truss bridge over a branch of Des Moines River on a local road
Open to traffic
Chippewa River Bridge (Chippewa County, Wisconsin)
Built 1971
Steel through arch bridge over Chippewa River on Bridge Street (WI 64) in Cornell
Open to traffic
Built 1971
Steel through arch bridge over Chippewa River on Bridge Street (WI 64) in Cornell
Open to traffic
Dent Bridge (Clearwater County, Idaho)
Built 1971
Suspension bridge over North Fork Clearwater River on STC 4783
Open to traffic
Built 1971
Suspension bridge over North Fork Clearwater River on STC 4783
Open to traffic
Dibble Creek Bridge (Fayette County, Iowa)
Built 1971
Pony truss bridge over Dibble Creek on a local road
Open to traffic
Built 1971
Pony truss bridge over Dibble Creek on a local road
Open to traffic
East 102 River Bridge (Taylor County, Iowa)
Built 1971; rehabilitated 1990
Through truss bridge over East 102 River on a local road
Open to traffic
Built 1971; rehabilitated 1990
Through truss bridge over East 102 River on a local road
Open to traffic
East Nishnabotna River Bridge (Audubon County, Iowa)
Built 1971
Pony truss bridge over E Nishnabotna River on a local road
Open to traffic
Built 1971
Pony truss bridge over E Nishnabotna River on a local road
Open to traffic
East Nishnabotna River Bridge (Audubon County, Iowa)
Built 1971
Pony truss bridge over East Nishnabotna River on a local road
Open to traffic
Built 1971
Pony truss bridge over East Nishnabotna River on a local road
Open to traffic
East Nishnabotna River Bridge (Audubon County, Iowa)
Built 1971
Pony truss bridge over East Nishnabotna River on a local road
Open to traffic
Built 1971
Pony truss bridge over East Nishnabotna River on a local road
Open to traffic
Grandad Bridge (Clearwater County, Idaho)
Built 1971
Deck truss bridge over North Fork Clearwater River on a county road
Open to traffic
Built 1971
Deck truss bridge over North Fork Clearwater River on a county road
Open to traffic
Harbor Drive Bridge (Sitka Borough, Alaska)
Built 1971
Cable-stayed bridge over Sitka Harbor on Harbor Drive in Sitka
Open to traffic
Built 1971
Cable-stayed bridge over Sitka Harbor on Harbor Drive in Sitka
Open to traffic
Henderson Road Bridge (Stephenson County, Illinois)
Built 1971; replaced 2004
Lost pony truss bridge over Cedar Creek on N. Henderson Road, 1.0 mi. east of Cedarville
No longer exists
Built 1971; replaced 2004
Lost pony truss bridge over Cedar Creek on N. Henderson Road, 1.0 mi. east of Cedarville
No longer exists
I-79 Bridge (Monongalia County, West Virginia)
Built 1971
Steel arch bridge over I-79 on CR 45
Open to traffic
Built 1971
Steel arch bridge over I-79 on CR 45
Open to traffic
Indian Creek Bridge (Montgomery County, Iowa)
Built 1971
Pony truss bridge over Indian Creek on a local road
Open to traffic
Built 1971
Pony truss bridge over Indian Creek on a local road
Open to traffic
Indian Creek Bridge (Jackson County, Indiana)
Built 1971
Arch bridge over Indian Creek on CR 550 North
Open to traffic
Built 1971
Arch bridge over Indian Creek on CR 550 North
Open to traffic
Johns Pass Bocaciega Bay Bridge (Pinellas County, Florida)
Built 1971
Pair of bascule bridges over Johns Pass Bocaciega Bay on FL 699 (Gulf Blvd.) in Madeira Beach
Open to traffic
Built 1971
Pair of bascule bridges over Johns Pass Bocaciega Bay on FL 699 (Gulf Blvd.) in Madeira Beach
Open to traffic
Koocanusa Bridge Bridge (Lincoln County, Montana)
Built 1971
Deck truss bridge over Koocanusa Reservoir on Koocanusa Bridge
Open to traffic
Built 1971
Deck truss bridge over Koocanusa Reservoir on Koocanusa Bridge
Open to traffic
Little Sioux River Bridge (Harrison County, Iowa)
Built 1971; rehabilitated 1986
Through truss bridge over Little Sioux River on 120th Street
Open to traffic
Built 1971; rehabilitated 1986
Through truss bridge over Little Sioux River on 120th Street
Open to traffic
Muskingum River CR 66 Bridge (Muskingum County, Ohio)
Built 1971 by the Ohio Bridge Corp.; rehabilitated 1971
Pony truss bridge over Muskingum River on CR 66
Open to traffic
Built 1971 by the Ohio Bridge Corp.; rehabilitated 1971
Pony truss bridge over Muskingum River on CR 66
Open to traffic
Parks Highway Bridge (Denali Borough, Alaska)
Built 1971
Steel arch bridge over Hurricane Gulch on Parks Highway in Cantwell
Open to traffic
Built 1971
Steel arch bridge over Hurricane Gulch on Parks Highway in Cantwell
Open to traffic
Plaquemine Bayou LA 3066S Bridge (Iberville Parish, Louisiana)
Built 1971
Swing bridge over Plaquemine Bayou on LA 3066S at Indian Village
Open to traffic
Built 1971
Swing bridge over Plaquemine Bayou on LA 3066S at Indian Village
Open to traffic
Spanish River Blvd. Bridge (Palm Beach County, Florida)
Built 1971
Pair of bascule bridges over Intracoastal Waterway on Spanish River Blvd. in Boca Raton
Open to traffic
Built 1971
Pair of bascule bridges over Intracoastal Waterway on Spanish River Blvd. in Boca Raton
Open to traffic
Sugar Creek Bridge (Caddo County, Oklahoma)
Built 1971
Pony truss bridge over Sugar Creek on IRR 0816C
Open to traffic
Built 1971
Pony truss bridge over Sugar Creek on IRR 0816C
Open to traffic
Tensas River LA 15 Bridge (Catahoula Parish, Louisiana)
Built 1971
Vertical lift bridge over Tensas River on LA 15 at Clayton
Open to traffic
Built 1971
Vertical lift bridge over Tensas River on LA 15 at Clayton
Open to traffic
Unnamed Creek Bridge (Van Buren County, Iowa)
Built 1971
Pony truss bridge over an unnamed creek on a local road
Open to traffic
Built 1971
Pony truss bridge over an unnamed creek on a local road
Open to traffic
Unnamed Creek Bridge (Montgomery County, Iowa)
Built 1971
Pony truss bridge over an unnamed creek on a local road
Open to traffic
Built 1971
Pony truss bridge over an unnamed creek on a local road
Open to traffic
Vernon Fork Muscatatuck River Bridge (Jackson County, Indiana)
Built 1971
Arch bridge over Vernon Fork Muscatatuck River on CR 400 South
Open to traffic
Built 1971
Arch bridge over Vernon Fork Muscatatuck River on CR 400 South
Open to traffic
West Branch 102 Bridge (Taylor County, Iowa)
Built 1971
Pony truss bridge over West Branch 102 on a local road
Open to traffic
Built 1971
Pony truss bridge over West Branch 102 on a local road
Open to traffic