Time-lapse chronicles I-15 bridge construction in Mont.

Updated Aug 3, 2018
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The Montana Department of Transportation (MDT) time-lapse video below shows the reconstruction of the Capitol-Cedar Interchange project on I-15 in Helena, Montana. The two-lane bridges over the Montana Rail Link rail yard were replaced with 800-foot-long three-lane bridges. The HDR design allowed the bridge to be built during the short Montana construction seasons while minimizing impacts on the rail yard.

HDR received the 2018 American Council of Engineering Companies of Montana Honor Award for the project.