Tower base for the Mackinac Bridge (3 of 3)

Workers screed and level the grout that will become the surface on which the tower base plate will sit. It must be flat and level to support and transfer the 6,500 ton of tower to the pedestal. The bolts support a "roof" to keep weather off the surface that is being prepared. Note that the bolt threads and nuts are protected from damage., Electronic reproduction of text. The Mackinac Bridge 1954 - 1958. Mackinac Bridge Authority
Abstract/Description: Workers screed and level the grout that will become the surface on which the tower base plate will sit. It must be flat and level to support and transfer the 6,500 ton of tower to the pedestal. The bolts support a "roof" to keep weather off the surface that is being prepared. Note that the bolt threads and nuts are protected from damage.
Subject(s): Bridges--Design and construction
St. Ignace (Mich.)
Mackinaw City (Mich.)
Mackinac Bridge (Mich.)
Date Created: 1955 (approximate)
Title: Tower base for the Mackinac Bridge (3 of 3).
Name(s): Superiorland Library Cooperative, contributor
Mackinac Bridge Authority, contributor
Type of Resource: still image
Date Created: 1955 (approximate)
Physical Form: photographs
Extent: 1 item
Abstract/Description: Workers screed and level the grout that will become the surface on which the tower base plate will sit. It must be flat and level to support and transfer the 6,500 ton of tower to the pedestal. The bolts support a "roof" to keep weather off the surface that is being prepared. Note that the bolt threads and nuts are protected from damage.
Note(s):

Electronic reproduction of text. The Mackinac Bridge 1954 - 1958. Mackinac Bridge Authority
Subject(s): Bridges--Design and construction
St. Ignace (Mich.)
Mackinaw City (Mich.)
Mackinac Bridge (Mich.)
Held by: Superiorland Library Cooperative
Restrictions on Access: In copyright (http://rightsstatements.org/vocab/InC/1.0/)
Is Part Of: Mackinac Bridge Authority photographs. Identifier: SLC-011
In Collections: