Progress on Mackinac Bridge construction

This view of the bridge construction shows the many operations going on at the same time.  Cable spinning, roadway trusses, plus many unseen operations., Electronic reproduction of text.  The Mackinac Bridge 1954 - 1958. Mackinac Bridge Authority
Abstract/Description: This view of the bridge construction shows the many operations going on at the same time. Cable spinning, roadway trusses, plus many unseen operations.
Subject(s): Bridges--Design and construction
St. Ignace (Mich.)
Mackinaw City (Mich.)
Mackinac Bridge (Mich.)
Date Created: 1957 (approximate)