NTSB recommends 68 bridges in U.S. be evaluated for risk of collapse. See the full list.
Over the last year, the NTSB identified 68 bridges built before 1991 that don't have a "current vulnerability assessment" and ...
Maryland officials failed to assess vulnerability of Francis Scott Key Bridge before collapse, NTSB says
An assessment after last year's deadly accident found the Baltimore bridge's vulnerability was almost 30 times greater than ...