Mackinac Bridge is among 68 U.S. bridges NTSB recommends for risk-of-collapse evaluation
Michigan's Macinac Bridge is among 68 bridges nationwide the National Transportation Safety Board has recommended be ...
NTSB recommends 68 bridges in U.S. be evaluated for risk of collapse. See the full list.
Over the last year, the NTSB identified 68 bridges built before 1991 that don't have a "current vulnerability assessment" and ...
USA Today11d
68 bridges in 19 states potentially at risk: Is one near you?
Among them are major New York City bridges including the Verrazano, Brooklyn, George Washington, Manhattan and Williamsburg. Also on the list are the Chicago Skyway, Mackinac Bridge in Michigan ...
mlive11d
Mackinac Bridge among 68 that should be assessed for risk of collapse if hit by a ship
Michigan’s iconic Mighty Mac suspension bridge is among 68 in the United States that should be assessed for risk of collapse ...