Washington bridge collapse and the state of our aging infrastructure

A boat cruises past the scene of a bridge collapse on Interstate 5 on May 23, 2013 near Mt. Vernon, Washington. 1-5 connects Seattle, Washington to Vancouver, B.C., Canada.

Last night, a bridge off Interstate 5 north of Seattle collapsed, reportedly after an overloaded truck hit part of the structure while crossing. Though there were no serious injuries, the incident has renewed concerns about our country's aging infrastructure.

Last night, a bridge off Interstate 5 north of Seattle collapsed, reportedly after an overloaded truck hit part of the structure while crossing.

Two cars went off the edge and into the waters of the Skagit River, but all three passengers were rescued and are in good condition:

Though there were no serious injuries, the incident has renewed concerns about our country's aging infrastructure. Professor Richard Little, director of the Keston Institute for Infrastructure at USC, joins the show to talk about the state of bridges in Southern California.