Installing the deck of the Mackinac Bridge

The open steel grid of the inside driving lanes is being welded into place, Electronic reproduction of text.  The Mackinac Bridge 1954 - 1958. Mackinac Bridge Authority
Abstract/Description: The open steel grid of the inside driving lanes is being welded into place
Subject(s): Bridges--Design and construction
St. Ignace (Mich.)
Mackinaw City (Mich.)
Mackinac Bridge (Mich.)
Date Created: 1957 (approximate)