On August 1, 2007, the eight lane Bridge 9340 in Minneapolis, Minnesota, experienced a catastrophic structural failure during the peak of evening rush hour. At 6:05 PM, the 1,907 foot long deck truss suddenly gave way, dropping a 1,000 foot section into the Mississippi River. Among the 111 vehicles caught in the collapse was a yellow school bus from Relief Day Services carrying 60 people, including 52 children, which miraculously came to rest on a slab of concrete just feet from the water. Inves