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Detroit and Mackinac Railroad Bridge

   


Detroit and Mackinac Railroad Bridge

Primary Photographer(s): Nathan Holth

Bridge Documented: October 2, 2011
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Key Facts

Facility Carried / Feature Intersected
Railroad (Detroit and Mackinac) Over Saginaw River
Location
Bay City: Bay County, Michigan
Structure Type
Metal Pin-Connected Pratt Through Truss, Movable: Swing (Center Pier) and Approach Spans: Metal Rivet-Connected Pratt Through Truss, Fixed
Construction Date and Builder / Engineer
1892 By Builder/Contractor: Unknown

Technical Facts

Rehabilitation Date
Not Available or Not Applicable
Main Span Length
260 Feet (79.2 Meters)
Structure Length
740 Feet (225.6 Meters)
Roadway Width
15 Feet (4.6 Meters)
Spans
1 Main Span(s) and 4 Approach Span(s)
NBI Number
Not Applicable

Historic Significance Rating (HSR)

Bridge Documentation

This bridge is one of two railroad swing bridges in Bay City. This bridge is of lighter weight construction than the other swing bridge in the city, and it may be older as well. The bridge contains a traditionally composed swing span as well as four five panel fixed through truss approach spans. The bridge is surrounded by industrial properties and can be hard to get up close to without a boat.

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Photos and Videos: Detroit and Mackinac Railroad Bridge

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