A closer look at bridge safety The 35W bridge collapse is shining a spotlight on bridge safety around the country. Midmorning's guests talk about the challenges of improving the nation's infrastructure.9:06 a.m.
Guests
David Billington: Engineering professor at Princeton University.
Steve Murphy: Sen. DFL-Red Wing, chairman of Senate Transportation committee.
Kevin Nelson: Manager of the bridge division for the city of St. Paul.
You can follow Kerri Miller on Twitter at @KerriMPR
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