Stiffening trusses for the Mackinac Bridge (30 of 67)

One of the last pieces of the stiffing truss system is hoisted onto position., Electronic reproduction of text.  The Mackinac Bridge 1954 - 1958. Mackinac Bridge Authority
Abstract/Description: One of the last pieces of the stiffing truss system is hoisted onto position.
Subject(s): Bridges--Design and construction
St. Ignace (Mich.)
Mackinaw City (Mich.)
Mackinac Bridge (Mich.)
Date Created: 1957 (approximate)