The Washington Monument stands behind the Frederick Douglass Memorial Bridge which spans the Anacostia River in Washington on Wednesday, Sept. 4, 2013. (AP...
This Sept. 12, 2013, photo shows evening rush hour traffic moveing along one of Pittsburgh's parkways under the superstructure of the Liberty Bridge in downtown Pittsburgh, Pa. A(AP Photo/Keith Srakocic) by Marc LevyAssociated Press Writer HARRISBURG, Pa. (AP) — Pennsylvania is among the nation's leaders in bridges that both lack backup protection against collapse in case a single, vital component fails and are designated by highway officials as being in need of repair, an Associated Press review of national bridge records found.
