Pier no. 18 of the Mackinac Bridge tilts (1 of 4)

Pier No. 18, the south cable bent pier, started to tilt. This was discovered from the constant inspections and surveying. Piles were driven to bedrock on the low side to stop the movement and digging and loading on the high side was done to right the caisson. It eventually was properly placed on bedrock. This caisson was concreted to within sixteen feet of the water surface and two round pedestals were built atop this foundation., Electronic reproduction of photograph. The Mackinac Bridge 1954 - 1958. Mackinac Bridge Authority
Abstract/Description: Pier No. 18, the south cable bent pier, started to tilt. This was discovered from the constant inspections and surveying. Piles were driven to bedrock on the low side to stop the movement and digging and loading on the high side was done to right the caisson. It eventually was properly placed on bedrock. This caisson was concreted to within sixteen feet of the water surface and two round pedestals were built atop this foundation.
Subject(s): Bridges--Design and construction
St. Ignace (Mich.)
Mackinaw City (Mich.)
Mackinac Bridge (Mich.)
Date Created: 1954 (approximate)
Title: Pier no. 18 of the Mackinac Bridge tilts (1 of 4).
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: Pier No. 18, the south cable bent pier, started to tilt. This was discovered from the constant inspections and surveying. Piles were driven to bedrock on the low side to stop the movement and digging and loading on the high side was done to right the caisson. It eventually was properly placed on bedrock. This caisson was concreted to within sixteen feet of the water surface and two round pedestals were built atop this foundation.
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: