It was at Minneapolis. The collapse was during rush hour and it was packed with cars. I've been across the Mississippi at Davenport Iowa and also at St Louis, Mo. That's a huge river.

Story
http://apnews.myway.com/article/20070802/D8QOTC180.html
Security cam video
http://www.liveleak.com/view?i=1ab_1186054443&p=1