Cracks close Grand Boulevard bridge over I-670

Brian Kidwell, Missouri Department of Transportation bridge engineer, talks about the cracks that lead to the closing of the Grand Boulevard bridge over Interstate 670.
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Brian Kidwell, Missouri Department of Transportation bridge engineer, talks about the cracks that lead to the closing of the Grand Boulevard bridge over Interstate 670.

Mystery surrounds how Grand Boulevard bridge broke and what to do with other bridges

May 20, 2016 12:39 PM