Roadway progress during Mackinac Bridge construction (12 of 15)

A mobile crane is used to place a section of the outer lane roadway forms that will be filled with light-weight concrete., Electronic reproduction of text.  The Mackinac Bridge 1954 - 1958. Mackinac Bridge Authority
Abstract/Description: A mobile crane is used to place a section of the outer lane roadway forms that will be filled with light-weight concrete.
Subject(s): Bridges--Design and construction
St. Ignace (Mich.)
Mackinaw City (Mich.)
Mackinac Bridge (Mich.)
Date Created: 1957 (approximate)