Final section of Mackinac Bridge construction (3 of 3)

The final mid-span section of the stiffening truss is being towed to the bridge., Electronic reproduction of text.  The Mackinac Bridge 1954 - 1958. Mackinac Bridge Authority
Abstract/Description: The final mid-span section of the stiffening truss is being towed to the bridge.
Subject(s): Bridges--Design and construction
St. Ignace (Mich.)
Mackinaw City (Mich.)
Mackinac Bridge (Mich.)
Date Created: 1957 (approximate)