A collapsed section of the Interstate 5 bridge over the Skagit River is seen in an aerial view Friday, May 24, 2013. (AP Photo/The Seattle Times, Mike Siegel)

Photo by: Mike Siegel

A collapsed section of the Interstate 5 bridge over the Skagit River is seen in an aerial view Friday, May 24, 2013. (AP Photo/The Seattle Times, Mike Siegel)