Anchor pier for Mackinac Bridge (18 of 43)

This photo shows the aggregate is above the surface of the surrounding water and the two inch reinforcing bar (rebar) is above the aggregate ready for the next course after grouting is completed below.  The future superstructure will be added here and all in view will be buried beneath many thousands of tons of concrete., Electronic reproduction of photograph.  The Mackinac Bridge 1954 - 1958. Mackinac Bridge Authority
Abstract/Description: This photo shows the aggregate is above the surface of the surrounding water and the two inch reinforcing bar (rebar) is above the aggregate ready for the next course after grouting is completed below. The future superstructure will be added here and all in view will be buried beneath many thousands of tons of concrete.
Subject(s): Bridges--Design and construction
St. Ignace (Mich.)
Mackinaw City (Mich.)
Mackinac Bridge (Mich.)
Date Created: 1954 (approximate)