Fatal 2007 Bridge Collapse Spurs New, Affordable, Instant Warnings
New Technology for Monitoring 150,000 Aging U.S. Highway BridgesJuly 31, 2012 Fatal I35-W collapse COLLEGE PARK, Md. - On August 1, 2007, without warning, the roadway suddenly disappeared beneath drivers on Minneapolis' I-35W Bridge. The collapse sent more than 100 cars into the Mississippi River, killing 13 and injuring145. In the five years since, advances in wireless sensor technology are making warning systems to prevent such tragedies affordable and practical, say engineers at the