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NTSB: Francis Scott Key Bridge risk far above guidance; agency urges vulnerability assessments for 68 bridges
Summary
National Transportation Safety Board Chair Jennifer Homendy told the House Appropriations Subcommittee the Key Bridge was found to be well above AASHTO risk thresholds and that the agency has urged 30 owners of 68 bridges to complete vulnerability assessments and take action if warranted.
The National Transportation Safety Board told a House Appropriations Subcommittee that the Francis Scott Key Bridge’s collision risk exceeded long-standing engineering guidance and prompted urgent recommendations for other high‑risk crossings.
At a subcommittee hearing, Jennifer Homendy, Chairwoman of the National Transportation Safety Board, said the NTSB’s rapid vulnerability assessment of the Key Bridge found the structure’s calculated risk was “almost 30 times greater than the risk threshold that AASHTO sets for critical bridges,” and that Pier 17 was “almost 15 times greater.” Homendy said the board asked 30 bridge owners of 68 bridges to perform similar vulnerability assessments and take immediate action if warranted.
Why it matters: The recommendation is aimed at preventing…
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