Lordy. We had a similar thing happen in Birmingham, AL a few years ago.
Yes we did. It was bad too. :(
It's happened in the Dallas area, as well.
http://crimeblog.dallasnews.com/archives/2008/10/highway-overpass-to-be-demolis.html
And Calif.
http://www.foxnews.com/story/0,2933,269118,00.html
So it's not like it hasn't been done before.