Emergency personnel respond at the scene of a freeway bridge collapse over the Mississippi River in Minneapolis Wednesday, Aug. 1, 2007. The entire span of the 35W bridge collapsed about 6:05 p.m. where the freeway crosses the river near University Avenue. (AP Photo/Adam Wolf)
A collapsed portion of the Interstate 35W bridge over the Mississippi River is seen Wednesday, Aug. 1, 2007, in Minneapolis. (AP Photo/Star Tribune, David Denney)