Pier no. 22 of the Mackinac Bridge (2 of 3)

Concrete is dumped into a hopper by clam bucket.  The concrete descends through an "elephant trunk" to the bottom of the cable anchor bar frame.  This entire area will be concreted, Electronic reproduction of text.  The Mackinac Bridge 1954 - 1958. Mackinac Bridge Authority
Abstract/Description: Concrete is dumped into a hopper by clam bucket. The concrete descends through an "elephant trunk" to the bottom of the cable anchor bar frame. This entire area will be concreted
Subject(s): Bridges--Design and construction
St. Ignace (Mich.)
Mackinaw City (Mich.)
Mackinac Bridge (Mich.)
Date Created: 1955 (approximate)