The I. B. Perrine Bridge at Twin Falls, Idaho, United States, is a truss arch four-lane bridge carrying U.S. Highway 93 over the Snake River Canyon. Perrine Bridge is approximately 1,500 feet (457 m) long and 486 feet (148 m) above the Snake River. The elevation of the road deck is approximately 3,600 feet (1,097 m) above sea level. The bridge serves as the Twin Falls area's main link to Jerome County and Interstate 84.
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