Over the last year, the NTSB identified 68 bridges built before 1991 that don't have a "current vulnerability assessment" and ...
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Daily Voice on MSNThese Maryland Bridges Are At Risk Of Failure, NTSB Says After Key Bridge Collapse In BaltimoreThe catastrophic collapse of Baltimore’s Francis Scott Key Bridge in Maryland is sparking national concern as federal ...
The catastrophic collapse of Baltimore’s Francis Scott Key Bridge in Maryland is sparking national concern as federal ...
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