More than 63,000 US bridges, one in ten nationally, is in need of urgent repair, said a study released by the American Road and Transportation Association, citing government data.
The US Transportation Department routinely inspects then rates bridges on a scale of one to ten, with a score of four or below considered structurally deficient. These dangerous bridges are traveled over by 250 million trucks, school buses, passenger cars each day.
Worst and best states for bridges
The worst bridges in the nation were found in Pennsylvania, with...


