This photo taken Thursday, July 26, 2012 in St. Paul, Minn., shows the door from a school bus carrying children on the Interstate 35W bridge when it collapsed Aug. 1, 2007 in Minneapolis. The door is ... more 
This photo taken Thursday, July 26, 2012 in St. Paul, Minn., shows the door from a school bus carrying children on the Interstate 35W bridge when it collapsed Aug. 1, 2007 in Minneapolis. The door is part of the collection of artifacts at the Minnesota History Center. Wednesday, Aug. 1, marks the fifth anniversary of the collapse. (AP Photo/Jim Mone) less 
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Associated Press | Photo By Jim Mone
Tue, Jul 31, 2012 4:01 PM EDT