Mackinac Bridge construction during winter (3 of 48)

Inspection was done with care as this ice, even though is may reach a thickness of three feet, currents and wind can cause thin spots that can take a life., Electronic reproduction of photograph.  The Mackinac Bridge 1954 - 1958. Mackinac Bridge Authority
Abstract/Description: Inspection was done with care as this ice, even though is may reach a thickness of three feet, currents and wind can cause thin spots that can take a life.
Subject(s): Bridges--Design and construction
St. Ignace (Mich.)
Mackinaw City (Mich.)
Mackinac Bridge (Mich.)
Date Created: 1955 (approximate)