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Historic Bridges: US-45

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: 3

US-45 East Branch Ontonagon River Bridge
HSRNational HSR. Local HSR.
Click to visit page.
US-45 Over East Branch Ontonagon River in Rural: Ontonagon County, Michigan, United States
Metal Continuous Variable Depth Deck Girder, Fixed
Length: 384 ft. Main Span: 144 ft. Roadway: 35 ft. Main Spans: 3
Built 1958 By: Jackson Construction Company and Michigan State Highway Department
An example of a haunched deck plate girder designed by the Michigan State Highway Department.
US-45 Flat Branch Bridge
HSRNational HSR. Local HSR.
Click to visit page.
US-45 Over Flat Branch in Humboldt: Coles County, Illinois, United States
Concrete Continuous Curved T-Beam, Fixed
Length: 120 ft. Main Span: 46 ft. Roadway: 30 ft. Main Spans: 3
Built 1954 By: Unknown
This is a representative example of a curved t-beam bridge in Illinois.
US-45 Middle Branch Ontonagon River Bridge
HSRNational HSR. Local HSR.
Click to visit page.
US-45 Over Middle Branch Ontonagon River in Watersmeet: Gogebic County, Michigan, United States
Concrete T-Beam, Fixed
Length: 40 ft. Main Span: 40 ft. Roadway: 38 ft. Main Spans: 1
Built 1953 By: Unknown and Michigan State Highway Department
A representative example of a mid 20th Century t-beam in Michigan, this small bridge is on a curve and has superelevation.

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