When did construction of the Mackinac Bridge begin? How many months did it take to complete construction?

Question

8. How many wires are wrapped together to form the cables that suspend the Mackinac Bridge?
As the workers were wiring the cables, what did they use to alert other workers that wire was coming?

Answer 1

Construction of the Mackinac Bridge began on May 7, 1954. It took approximately 48 months (4 years) to complete construction.

There are a total of 42 wires wrapped together to form each cable that suspends the Mackinac Bridge.

To alert other workers that wire was coming during the cable-wiring process, the workers used a system of signal horns.