Doesn't mean that nothing can be done. https://www.ntsb.gov/news/press-releases/Pages/nr20250320.aspx https://www.ntsb.gov/news/press-releases/Pages/nr20250320.

Doesn't mean that nothing can be done. https://www.ntsb.gov/news/press-releases/Pages/nr20250320.aspx https://www.ntsb.gov/news/press-releases/Pages/nr20250320.as... > The NTSB found that the Key Bridge, which collapsed after being struck by the containership Dali on March 26, 2024, was almost 30 times above the acceptable risk threshold for critical or essential bridges, according to guidance established by the American Association of State Highway and Transportation Officials, or AASHTO. > Over the last year, the NTSB identified 68 bridges that were designed before the AASHTO guidance was established — like the Key Bridge — that do not have a current vulnerability assessment. The recommendations are issued to bridge owners to calculate the annual frequency of collapse for their bridges using AASHTO’s Method II calculation. Letters to the 30 bridge owners and their responses https://data.ntsb.gov/carol-main-public/sr-details/H-25-003 https://data.ntsb.gov/carol-main-public/sr-details/H-25-003