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.

Blackhawk was playing and singing with her 3-year-old great grandson when she heard about the Interstate 35W bridge collapse in Minneapolis ... she worked in customer service, rallied around ...

Blackhawk was playing and singing with her 3-year-old great grandson when she heard about the Interstate 35W bridge collapse in Minneapolis ... she worked in customer service, rallied around ...