Mackinac+Bridge

=**Human Characteristic: Mackinac Bridge**=

//Location//: At the Straits of Mackinac on Interstate 75. The bridge connects the upper and lower peninsulas of Michigan.

//Date constructed//: The bridge opened on November 1, 1957

//Purpose//: To connect the two peninsulas of Michigan and allow travel between them after a year-round boat service was determined to not be possible.

//Other interesting information//:
 * Third longest suspension bridge in the world.
 * It is 5 miles long.
 * The bridge had its 100 millionth crossing on June 25, 1998.
 * The bridge is also known as the Mighty Mac or Big Mac.

//Image//:



//Image location on the internet//: http://upload.wikimedia.org/wikipedia/commons/9/9c/Mackinac_Bridge.jpg

//Sources of information//:
 * Mackinac Bridge Authority http://www.mackinacbridge.org
 * Wikipedia - Mackinac Bridge http://en.wikipedia.org/wiki/Mackinac_Bridge