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Credit: 杏吧原创/Mike Murillo

D.C. metro area home to ‘structurally deficient’ bridges

Loose concrete removed from 5 Md. bridges over weekend

Transportation secretary: Funding needed to help nation鈥檚 run-down bridges

Ray LaHood: New approach needed to repair America’s crumbling infrastructure

D.C. bridge named in honor of Ethel Kennedy

AP IMPACT: Many U.S. bridges old, risky and rundown