Mackinac Bridge clears national safety check prompted by bridge collapse in Baltimore

The Mackinac Bridge was found to have a lower risk of collapse from ship collisions than national safety thresholds, according to a report by engineering firm Parsons. The study calculated a 10,350-year return period for potential collapse, below the .0001 limit for critical bridges, contrasting sharply with the 2024 Francis Scott Key Bridge collapse in Baltimore.