Walt Whitman, Ben Franklin bridges among 5 in Philadelphia area to be evaluated for collapse risk, NTSB says
An NTSB list of 68 bridges that should be evaluated for collapse risk includes five in the Philadelphia area that cross the ...
Hoodline13d
Nationwide Alert, NTSB Targets 68 U.S. Bridges for Collapse Risk Assessments, Post-Tragedy Wake-Up Call for Michigan and Philadelphia
NTSB recommends risk assessments for 68 US bridges, including those in Philadelphia and Michigan's Mackinac Bridge, for ...
WBAL-TV11d
The Francis Scott Key Bridge Collapse One Year Later - A Wake-Up Call
Federal transportation investigators say the collapse of the Francis Scott Key Bridge wasn't just *** tragedy. It was *** warning. They have identified dozens of bridges across the country that ...