Getting roadway spans ready for the Mackinac Bridge (1 of 7)

Aerial view of yards in St.Ignace where final roadway spans are made ready for the trip out to the bridge., Electronic reproduction of text.  The Mackinac Bridge 1954 - 1958. Mackinac Bridge Authority
Abstract/Description: Aerial view of yards in St.Ignace where final roadway spans are made ready for the trip out to the bridge.
Subject(s): Bridges--Design and construction
St. Ignace (Mich.)
Mackinaw City (Mich.)
Mackinac Bridge (Mich.)
Date Created: 1957 (approximate)