Five bridges in the Philadelphia area should be evaluated for collapse risk a year after a ship struck the Francis Scott Key Bridge in Baltimore, causing it to fall into Maryland's Patapsco River ...

The group developed the assessment standards in 1991 after the Sunshine Skyway Bridge in Tampa, Florida, collapsed. Here's a map of where the 68 bridges are located throughout the country.

Such an assessment could have prevented the deadly Key Bridge collapse, NTSB Chair Jennifer Homendy said Thursday. SEE ALSO: Operators of vessel that destroyed Baltimore's Key Bridge to pay nearly ...

Three Philadelphia ... evaluated for risk of collapse due to vessel strike, according to a report the agency issued Thursday as part of its investigation of the Key Bridge collapse in Baltimore ...