U.S. infrastructure gets a D+ grade from civil engineers

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U.S. infrastructure gets a D+ grade from civil engineers

U.S. infrastructure gets a D+ grade from civil engineers
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U.S. infrastructure gets a D+ grade from civil engineers

by CBSTV Videos 1:58 mins

In March, a report by the American Society of Civil Engineers warned that one in nine bridges in the U.S. are structurally deficient - bridges used by over 200 million vehicles every day. CBS News Terrell Brown reports.

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