美國NTSB去年發現有六十八座橋梁是在 AASHTO指導方針公布前所設計的，這些橋梁目前尚未進行脆弱性評估。該會向橋梁所有者發出建議，要求他們使用AASHTO的方法II來計算其橋梁每年倒塌頻率。

The NTSB told 30 owners of 68 bridges across 19 states to conduct a vulnerability assessment to determine the risk of a bridge collapse from a vessel collision. "We conclude in our report that had ...

Over the last year, the NTSB identified 68 bridges built before 1991 that don't have a "current vulnerability assessment." The recommendations were issued to 30 owners of the 68 different bridges ...

The NTSB's report says the Flexjet crew, prior to the incident, seemed confused about how to get to their assigned runway, and at one point seemed to misidentify a runway for a taxiway.

PORTLAND, Oregon — The National Transportation Safety Board (NTSB) recommended that nearly 70 bridges across the U.S. should conduct a vulnerability assessment as part of an ongoing ...

HOUSTON — A recent report by the National Transportation Safety Board (NTSB), released Thursday has raised urgent concerns about the vulnerability of U.S. bridges to vessel strikes, highlighting ...

Thirty-five people were killed when six vehicles and a Greyhound bus fell into the water. The NTSB released a report titled 'Safeguarding Bridges from Vessel Strikes: Need for Vulnerability ...

The recommendation from the NTSB comes nearly a year after the deadly collapse of the Francis Scott Key Bridge in Baltimore. The NTSB said the State of Maryland never ran a risk calculation on the ...

The Dames Point Bridge in Jacksonville, Florida, is among 68 bridges identified by the NTSB as having an "unknown level of risk of collapse" if hit by a vessel. These bridges, built before 1991 ...

A small airplane that crashed off the Alaska coast last month, killing all 10 people on board, was hundreds of pounds overweight before taking off, the National Transportation Safety Board said in ...

A risk assessment could have prevented the Key Bridge collapse, the NTSB said. Nearly a year since the catastrophic collapse of the Francis Scott Key Bridge after a container ship struck one of ...

The National Transportation Safety Board (NTSB) sounded an alarm during a news conference Thursday, warning 30 owners of 68 bridges across 19 states to conduct vulnerability assessments to ...