Towers for the Mackinac Bridge going up (3 of 50)

The first piece of a tower is being lowered into place.  This base plate, weighing 13 tons, is the first piece of the 552 foot tower, Electronic reproduction of text.  The Mackinac Bridge 1954 - 1958. Mackinac Bridge Authority
Abstract/Description: The first piece of a tower is being lowered into place. This base plate, weighing 13 tons, is the first piece of the 552 foot tower
Subject(s): Bridges--Design and construction
St. Ignace (Mich.)
Mackinaw City (Mich.)
Mackinac Bridge (Mich.)
Date Created: 1955 (approximate)