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. In addition to the ...

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 National Transportation Safety Board (NTSB) is calling for a vulnerability assessment of 68 bridges ... seven bridges, most of them in San Francisco, are recommended for vulnerability assessments.

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

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

After the Francis Scott Key Bridge ... 68 bridges in need of vulnerability assessment. This list included the Clairborne Pell ...

The Rhode Island agency that oversees the Newport Pell Bridge on Monday released its response to the National Transportation ...

After the Francis Scott Key Bridge in Maryland collapsed from container ship collision, the National Transportation Safety Board identified 68 ... vulnerability assessment. In the letter NTSB ...