Updated: 08/01/2014 7:46 AM
Created: 08/01/2013 8:42 AM KSTP.com
By: Jennie Olson
Video from Chopper 5 shows the wreckage of the I-35W bridge in the minutes after the collapse on Aug. 1, 2007.
The saga began seven years ago Thursday when the busy eight-lane bridge suddenly buckled on a muggy evening, sending dozens of vehicles crashing into the Mississippi River and each other, and stirring ripples of worry about the nation's aging infrastructure. Investigators blamed a design flaw that was exacerbated by extra weight from a resurfacing project.
Watch raw video of the wreckage in the video box above.