BridgeSeek

Historic Bridges: 1970

Special Bridge Conditions Legend: R - Former location of relocated bridge. ! - At risk for demolition or destruction. X - Confirmed demolished or collapsed. S - Dismantled and/or in storage. L - Severe loss of historic integrity due to alteration.

Results in this list will be limited to the first 200 results. Consider performing a more narrow search from the main BridgeSeek tool if your search here is showing 200 results.

Total Bridges Found: 8

East Portage Avenue Bridge
HSR

East Portage Avenue Over Power Canal in Sault Ste. Marie: Chippewa County, Michigan, United States

Metal Tied Solid Ribbed Through Arch, Fixed

Length: 265 ft. Main Span: 265 ft. Roadway: 45 ft. Main Spans: 1

Built 1970 By: American Bridge Company of New York, New York

One of two identical arch bridges in Sault Ste Marie.

Gulfgate Bridge
Martin Luther King Bridge
HSR

TX-82 (Martin Luther King Junior Drive) Over Sabine-Neches Waterway (Gulf Intracoastal Waterway) in Port Arthur: Jefferson County, Texas, United States

Metal Cantilever (Arched) 20 Panel Bolt-Connected Warren Through Truss, Fixed and Approach Spans: Metal Deck Girder, Fixed

Length: 5,032 ft. Main Span: 664 ft. Roadway: 28 ft. Main Spans: 3

Built 1970 By: Coastal Construction Company of Houston, Texas

An extremely late example of an arched cantilever through truss, this bridge still retains the pleasing curved shape of earlier examples.

Junction Bridge
HSR

Railroad (Rail-Trail, Former Union Pacific Railroad) Over Arkansas River in Little Rock: Pulaski County, Arkansas, United States

Metal 12 Panel Bolt-Connected Polygonal Warren Through Truss, Movable: Vertical Lift and Approach Spans: Metal 10 Panel Bolt-Connected Warren Through Truss, Fixed

Length: 1,500 ft. Main Span: 360 ft. Main Spans: 1

Built 1970 By: American Bridge Company of New York, New York

This former railroad bridge was converted to a pedestrian bridge and features colored lighting at night.

Kedzie Avenue Bridge
HSR

Kedzie Avenue Over Chicago Sanitary and Ship Canal in Chicago: Cook County, Illinois, United States

Metal Through Girder, Fixed

Length: 350 ft. Main Span: 149 ft. Roadway: 48 ft. Main Spans: 4

Built 1970 By: Unknown

Although the structure type is simple, this bridge is somewhat unusual on this section of canal.

Pont Pierre-Laporte (Pierre Laporte Bridge)
HSR

Autoroute 73 (Autoroute Robert-Cliche) Over St. Lawrence River (Fleuve Saint-Laurent) in Québec City and Lévis: Capitale-Nationale, Québec and Chaudiére-Appalaches, Québec, Canada

Metal Deck Truss Stiffening Wire Cable Suspension, Fixed and Approach Spans: Concrete Stringer (Multi-Beam), Fixed

Length: 4,461 ft. Main Span: 2,190 ft. Main Spans: 3

Built 1970 By: Unknown and Parsons Brinckerhoff of New York, New York and Demers, Vaudry, Gronquist

This bridge pales in significance next to the famous Pont de Québec it parallels, however it is notable as the longest suspension span in Canada.

Rau Road Bridge
HSR

Rau Road (CR-14) Over I-75 in Rural: Ogemaw County, Michigan, United States

Metal Stringer (Multi-Beam), Fixed

Length: 179 ft. Main Span: 104 ft. Roadway: 35.8 ft. Main Spans: 3

Built 1970 By: Unknown and Michigan State Highway Department (Michigan Department of State Highways)

This bridge is an unaltered representative example of a Michigan State Highway Department railing, and also noted for crossing the highway via two bridges.

Ridgeland Avenue Bridge
HSR

Ridgeland Avenue Over Calumet Sag Channel in Worth: Cook County, Illinois, United States

Metal 8 Panel Bolt-Connected Polygonal Warren Through Truss, Fixed and Approach Spans: Metal Stringer (Multi-Beam), Fixed

Length: 433 ft. Main Span: 302 ft. Roadway: 43 ft. Main Spans: 1

Built 1970 By: Unknown and Alfred Benesch and Associates of Chicago, Illinois

One of several truss bridges on the Cal Sag Channel that document the very final years of the riveted truss era.

West Portage Avenue Bridge
HSR

West Portage Avenue (I-75 BS) Over Power Canal in Sault Ste. Marie: Chippewa County, Michigan, United States

Metal Tied Solid Ribbed Through Arch, Fixed

Length: 265 ft. Main Span: 265 ft. Roadway: 45 ft. Main Spans: 1

Built 1970 By: American Bridge Company of New York, New York

One of two identical arch bridges in Sault Ste Marie.

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