Catwalk on the Mackinac Bridge (32 of 35)

In this photo the catwalks are just about to meet at mid-span, Electronic reproduction of text.  The Mackinac Bridge 1954 - 1958. Mackinac Bridge Authority
Abstract/Description: In this photo the catwalks are just about to meet at mid-span
Subject(s): Bridges--Design and construction
St. Ignace (Mich.)
Mackinaw City (Mich.)
Mackinac Bridge (Mich.)
Date Created: 1956 (approximate)