Closing the gap on the Mackinac Bridge (1 of 3)

In July of 1957 the final section of stiffening truss was hoisted into position., Electronic reproduction of text.  The Mackinac Bridge 1954 - 1958. Mackinac Bridge Authority
Abstract/Description: In July of 1957 the final section of stiffening truss was hoisted into position.
Subject(s): Bridges--Design and construction
St. Ignace (Mich.)
Mackinaw City (Mich.)
Mackinac Bridge (Mich.)
Date Created: 1957 (approximate)