Other foundations for the Mackinac Bridge (10 of 13)

Spud piles are driven into the bottom.  Some were driven at angles to provide for a wider base and more stability.  These piles were driven to refusal, at bedrock., Electronic reproduction of photograph.  The Mackinac Bridge 1954 - 1958. Mackinac Bridge Authority
Abstract/Description: Spud piles are driven into the bottom. Some were driven at angles to provide for a wider base and more stability. These piles were driven to refusal, at bedrock.
Subject(s): Bridges--Design and construction
St. Ignace (Mich.)
Mackinaw City (Mich.)
Mackinac Bridge (Mich.)
Date Created: 1955 (approximate)