Federal officials investigating the catastrophic collapse of the Francis Scott Key Bridge ... the water to bridge and water channel geometry. The American Association of State Highway and ...

The Federal Highway Administration started requiring vulnerability assessments of new bridges in 1994, the NTSB said. The Key Bridge was built before that requirement. The 68 bridges that the NTSB ...

All this week, WTOP’s team coverage of “The Key Bridge, One Year Later” revisits ... such as when a highway bridge collapsed in Minneapolis in 2007. “So that money is locked away in ...

"We conclude in our report that had the MDTA conducted a vulnerability assessment of the Key Bridge ... aware that the bridge was above the American Association of State Highway and Transportation ...