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| | MDOT |
 | | The major construction achievement of 1954 was the erection of the bridge's six principal piers, including those for the two towers, the anchorages, and the backstay spans. |
 | | The Mackinac Bridge began to take shape in 1956, when the main cables were strung and the twenty-eight truss spans that made up the approaches were built. |
 | | The bridge's total length, 8614 feet, the longest in the world, combined with towers standing 552 feet above the water line, a 155 feet clearance under the bridge, and a total weight of 11,840 tons, is indeed an impressive sight. |
| www.michigan.gov /mdot/0,1607,7-151-9620_11154_11188-26923--,00.html (916 words) |
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