One of them was the notorious I-35W Mississippi River Bridge. The collapse of this bridge in 2007 revealed how terrible the state of the traffic infrastructure in the United States was.

A memorial ceremony marking the one-year anniversary of the I-35W Bridge collapse will be held Friday, Aug. 1 from , 4:30 p.m. to 6:15 p.m. at Gold Medal Park, 10th Avenue South and 2nd Street ...