Roadway of the Mackinac Bridge (9 of 12)

Once the grating for the center of the roadway was in place a driving surface was provided which improved supply and other operations., Electronic reproduction of text.  The Mackinac Bridge 1954 - 1958. Mackinac Bridge Authority
Abstract/Description: Once the grating for the center of the roadway was in place a driving surface was provided which improved supply and other operations.
Subject(s): Bridges--Design and construction
St. Ignace (Mich.)
Mackinaw City (Mich.)
Mackinac Bridge (Mich.)
Date Created: 1957 (approximate)