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Utah Moves On Down the Road

Publication Date: 4/6/2011
Author: Aileen Cho
Format: HTML

A 354-ft-long, two-span steel bridge was lifted, rolled and set into construction history on March 26. With more than 1,000 spectators on hand, the nearly 4-million-lb structure traveled about 500 ft across Interstate 15 in Utah on a Self-Propelled Modular Transporter (SPMT), a vehicle-pulled platform supported by remote-controlled wheels and hydraulics. Eight hours later, the longest-ever SPMT-assisted bridge move in the Western Hemisphere was complete and ready for vehicular traffic.

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