Pier no. 18 of the Mackinac Bridge tilts (4 of 4)

Engineers check pier 18 as it descends after it was found to be tilting.  (3), Electronic reproduction of photograph.  The Mackinac Bridge 1954 - 1958. Mackinac Bridge Authority
Abstract/Description: Engineers check pier 18 as it descends after it was found to be tilting. (3)
Subject(s): Bridges--Design and construction
St. Ignace (Mich.)
Mackinaw City (Mich.)
Mackinac Bridge (Mich.)
Date Created: 1954 (approximate)