Why did the Skagit River bridge collapse when truck hit it?

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by KING 5 News

KREM.com

Posted on May 24, 2013 at 4:20 PM

Updated Friday, May 24 at 4:21 PM

KING 5's Glenn Farley explains the science behind why the Interstate 5 bridge over the Skagit River collapsed after it was hit by an oversize truck.

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