Tower for the Mackinac Bridge going up (4 of 11)

Tower continues going up.  Note the riveting platforms on each leg.  They to move up as the tower "grows"., Electronic reproduction of text.  The Mackinac Bridge 1954 - 1958. Mackinac Bridge Authority
Abstract/Description: Tower continues going up. Note the riveting platforms on each leg. They to move up as the tower "grows".
Subject(s): Bridges--Design and construction
St. Ignace (Mich.)
Mackinaw City (Mich.)
Mackinac Bridge (Mich.)
Date Created: 1955 (approximate)