What is the mackenaw bridge?

- The Mackinac Bridge is a suspension bridge spanning the Straits of Mackinac between the upper and lower peninsulas of the U.S. state of Michigan.

- It is the fifth-longest suspension bridge in the world and the longest in the western hemisphere.

- It carries an average of 4 million vehicles per year.

- The entire bridge is lighted with a total of 1,200 colored sodium lamps.

- It is the longest suspension bridge in the Americas

- The bridge is named after the Ojibwa word "Michilimackinac", meaning "great turtle".

- Construction of the bridge began in 1954, and it was opened to traffic on November 1, 1957.

- It is 26,372 feet (8,038 m) long, with a main span of 3,800 feet (1,200 m).

- The bridge is supported by two towers, each 552 feet (168 m) tall.

- The bridge has a vertical clearance of 206 feet (63 m) above the water.

- The bridge deck is made of concrete, and it is 46 feet (14 m) wide.

- The bridge is operated by the Mackinac Bridge Authority, a public corporation created by the state of Michigan.

- Tolls are collected from vehicles using the bridge.