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Historic Bridges: Douglas County, Wisconsin

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.

Total Bridges Found: 3

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Blatnik Bridge
John A. Blatnik Bridge, High Bridge
HSRNational HSR. Local HSR.
Click to visit page.
I-535 and US-53 Over St. Louis Bay in Duluth: St. Louis County, Minnesota and Douglas County, Wisconsin, United States
Metal Cantilever (Arch and Suspended Deck) 20 Panel Rivet-Connected Warren Through Truss, Fixed and Approach Spans: Metal Deck Girder, Fixed
Length: 7,985 ft. Main Span: 600 ft. Roadway: 58 ft. Main Spans: 3
Built 1961 By: American Bridge Company of New York, New York and Howard, Needles, Tammen and Bergendorff of Kansas City, Missouri
This bridge is a rare example of a cantilever truss bridge that features a tied arch suspended span.
Grassy Point Bridge
HSRNational HSR. Local HSR.
Click to visit page.
Railroad (BNSF) Over St. Louis River in Superior: Douglas County, Wisconsin and St. Louis County, Minnesota, United States
Metal Multiple-Type-Connected Baltimore Through Truss, Movable: Swing (Rim Bearing Center Pier) and Approach Spans: Metal Through Girder, Fixed
Length: 1,660 ft. Main Span: 430 ft. Main Spans: 1
Built 1912 By: American Bridge Company of New York, New York
This railroad bridge is noted for its very large swing span.
Interstate Bridge (Approach Span)
HSRNational HSR. Local HSR.
Click to visit page.
Pedestrian Walkway Over St. Louis River in Duluth: St. Louis County, Minnesota and Douglas County, Wisconsin, United States
Metal 10 Panel Pin-Connected Parker Through Truss, Fixed
Length: 845 ft. Main Span: 325 ft. Main Spans: 1
Built 1897 By: Pennsylvania Steel Company of Steelton, Pennsylvania and Alfred P. Boller of Philadelphia, Pennsylvania
Originally a large swing bridge over the river, today only one of the fixed approach truss spans remain today.

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