Equipment for Mackinac Bridge construction (3 of 4)

Specially built equipment like this derrick, being assembled on a barge at the railroad ferry dock, were brought in by train.  The railroad ferry steamer "Sainte Marie" is in the background.  Vessel was retired in 1961., Electronic reproduction of text.  The Mackinac Bridge 1954 - 1958. Mackinac Bridge Authority
Abstract/Description: Specially built equipment like this derrick, being assembled on a barge at the railroad ferry dock, were brought in by train. The railroad ferry steamer "Sainte Marie" is in the background. Vessel was retired in 1961.
Subject(s): Bridges--Design and construction
St. Ignace (Mich.)
Mackinaw City (Mich.)
Mackinac Bridge (Mich.)
Date Created: 1955 (approximate)