Roadway spans for the Mackinac Bridge (12 of 33)

Roadway  spans ready to receive deck, Electronic reproduction of text.  The Mackinac Bridge 1954 - 1958. Mackinac Bridge Authority
Abstract/Description: Roadway spans ready to receive deck
Subject(s): Bridges--Design and construction
St. Ignace (Mich.)
Mackinaw City (Mich.)
Mackinac Bridge (Mich.)
Date Created: 1957 (approximate)