The National Transportation Safety Board recommended that 68 bridges undergo ... began requiring vulnerability assessments of new bridges in 1994, the NTSB said. The Key Bridge was built before ...

The 68 bridges that the NTSB recommends for assessment are those designed before the guidance was established and do not have a current vulnerability assessment, the NTSB said. They include iconic ...

The bridge is among 68 nationwide - including Boston’s Tobin Bridge and Cape Cod’s Borne and Sagamore bridges - that do not ...

NTSB urged 30 owners of 68 bridges across 19 states to conduct a vulnerability assessment ... the AASHTO acceptable level of risk. The NTSB recommended that bridge owners develop and implement ...

The Chesapeake Bay Bridge does not meet a modern risk threshold for vessel collisions according to the National ...

AND IT LISTS 68 BRIDGES ... The NTSB report recommends that bridges like the Memorial Bridge, which connects Portsmouth and Kittery, Maine, undergo a vulnerability assessment to determine what ...

The Rhode Island Turnpike and Bridge Authority has responded to a letter from the National Transportation Safety Board ...

Federal officials are warning that two important bridges connecting Washington state to Oregon could be at risk of collapsing in a ship strike like the deadly Francis Scott Key Bridge disaster in ...