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Historic Bridges: St. Louis County, Minnesota

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: 4

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Blatnik Bridge
John A. Blatnik Bridge, High Bridge
HSRNational HSR. Local HSR.
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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: 7985 ft. Main Span: 600 ft. Roadway: 58 ft. Main Spans: 3
Built 1961 By: Unknown
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Lake Avenue Over Duluth Ship Canal in Duluth: St. Louis County, Minnesota, United States
Metal 16 Panel Rivet-Connected Pennsylvania Through Truss, Movable: Vertical Lift and Approach Spans: Concrete T-Beam, Fixed
Length: 501.7 ft. Main Span: 385.8 ft. Roadway: 24 ft. Main Spans: 1
Built 1905 By: and Thomas McGilvray of Duluth, Minnesota, Claude Allen Porter Turner of Minneapolis, Minnesota, and Harrington, Howard, and Ash
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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: 1660 ft. Main Span: 430 ft. Main Spans: 1
Built 1912 By: American Bridge Company of New York, New York
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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

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