Tower caisson for the Mackinac Bridge (33 of 45)

After the caisson was damaged by dynamiting the hardpan the channel had to be dammed up and pumps were used to keep the area dry so crews could repair the damage. This section is 44 feet tall and has a diameter of 116 feet. The buoyant caisson was divided into eight water tight compartments., Electronic reproduction of photograph. The Mackinac Bridge 1954 - 1958. Mackinac Bridge Authority
Abstract/Description: After the caisson was damaged by dynamiting the hardpan the channel had to be dammed up and pumps were used to keep the area dry so crews could repair the damage. This section is 44 feet tall and has a diameter of 116 feet. The buoyant caisson was divided into eight water tight compartments.
Subject(s): Bridges--Design and construction
St. Ignace (Mich.)
Mackinaw City (Mich.)
Mackinac Bridge (Mich.)
Date Created: 1954 (approximate)
Title: Tower caisson for the Mackinac Bridge (33 of 45).
Name(s): Superiorland Library Cooperative, contributor
Mackinac Bridge Authority, contributor
Type of Resource: still image
Date Created: 1954 (approximate)
Physical Form: photographs
Extent: 1 item
Abstract/Description: After the caisson was damaged by dynamiting the hardpan the channel had to be dammed up and pumps were used to keep the area dry so crews could repair the damage. This section is 44 feet tall and has a diameter of 116 feet. The buoyant caisson was divided into eight water tight compartments.
Note(s):

Electronic reproduction of photograph. 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: