The final gap in the Mackinac Bridge (2 of 4)

The final section of the south roadway span is being closed up, piece by piece., Electronic reproduction of text.  The Mackinac Bridge 1954 - 1958. Mackinac Bridge Authority
Abstract/Description: The final section of the south roadway span is being closed up, piece by piece.
Subject(s): Bridges--Design and construction
St. Ignace (Mich.)
Mackinaw City (Mich.)
Mackinac Bridge (Mich.)
Date Created: 1957 (approximate)