Maintenance on the Mackinac Bridge (2 of 15)

Maintenance crew rides the gantry located under the roadway designed to carry materials and crew, Electronic reproduction of text.  The Mackinac Bridge 1954 - 1958. Mackinac Bridge Authority
Abstract/Description: Maintenance crew rides the gantry located under the roadway designed to carry materials and crew
Subject(s): Bridges--Design and construction
St. Ignace (Mich.)
Mackinaw City (Mich.)
Mackinac Bridge (Mich.)
Date Created: 1962 (approximate)