Anchor pier for Mackinac Bridge (6 of 43)

Before sheet piling is cut off.  Note the uneven height.  These sheets were driven to the bedrock bottom and shows the uneven formation they are sitting on, Electronic reproduction of photograph.  The Mackinac Bridge 1954 - 1958. Mackinac Bridge Authority
Abstract/Description: Before sheet piling is cut off. Note the uneven height. These sheets were driven to the bedrock bottom and shows the uneven formation they are sitting on
Subject(s): Bridges--Design and construction
St. Ignace (Mich.)
Mackinaw City (Mich.)
Mackinac Bridge (Mich.)
Date Created: 1954 (approximate)