Towers for the Mackinac Bridge going up (1 of 50)

American Bridge sets the first sections of tower on the foundation of the north tower., Electronic reproduction of text.  The Mackinac Bridge 1954 - 1958. Mackinac Bridge Authority
Abstract/Description: American Bridge sets the first sections of tower on the foundation of the north tower.
Subject(s): Bridges--Design and construction
St. Ignace (Mich.)
Mackinaw City (Mich.)
Mackinac Bridge (Mich.)
Date Created: 1955 (approximate)