The City, the River, the BridgeOn August 1, 2007, just after 6: 00 p. m., during the evening rush hour in Minneapolis, the 1,900 foot long, eight lane I 35W bridge buckled and crashed into the Mississippi River. The unimaginable had happened right on the doorstep of the University of Minnesota Twin Cities campus. Many of the first responders were from the University, persevering in the midst of chaos and disbelief. In the ensuing weeks, research and engineering teams from the