Vessels used during Mackinac Bridge construction (9 of 14)

Barges are spotted under the area were the roadway trusses are being extended., Electronic reproduction of text.  The Mackinac Bridge 1954 - 1958. Mackinac Bridge Authority
Abstract/Description: Barges are spotted under the area were the roadway trusses are being extended.
Subject(s): Bridges--Design and construction
St. Ignace (Mich.)
Mackinaw City (Mich.)
Mackinac Bridge (Mich.)
Date Created: 1957 (approximate)