Roadway spans for the Mackinac Bridge (21 of 33)

Work progresses in the final roadway spans on the north end in the string of 1957, Electronic reproduction of text.  The Mackinac Bridge 1954 - 1958. Mackinac Bridge Authority
Abstract/Description: Work progresses in the final roadway spans on the north end in the string of 1957
Subject(s): Bridges--Design and construction
St. Ignace (Mich.)
Mackinaw City (Mich.)
Mackinac Bridge (Mich.)
Date Created: 1957 (approximate)