Roadway spans for the Mackinac Bridge (32 of 33)

View of the underside of a roadway span, Electronic reproduction of text.  The Mackinac Bridge 1954 - 1958. Mackinac Bridge Authority
Abstract/Description: View of the underside of a roadway span
Subject(s): Bridges--Design and construction
St. Ignace (Mich.)
Mackinaw City (Mich.)
Mackinac Bridge (Mich.)
Date Created: 1956 (approximate)