Baltimore bridge collapse: Here's what surprised a structura

Baltimore bridge collapse: Here's what surprised a structural engineering professor about the Francis Scott Key bridge disaster

The Baltimore bridge collapse has many people wondering: could something similar happen to any of the major spans in other parts of the country?

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Drexel University , Pennsylvania , United States , Philadelphia , John Hanson , Abieyuwa Aghayere , Delaware River Port Authority , Francis Scott Key Bridge , Betsy Ross Bridge , Key Bridge , Delaware River Port , Delaware River ,