(CNN) — Before its disastrous collapse last week, the Francis Scott Key Bridge served as an economically crucial gateway: thousands of container ships crossing from the Atlantic to Baltimore’s port ...

Add Yahoo as a preferred source to see more of our stories on Google. Before its disastrous collapse last week, the Francis Scott Key Bridge served as an economically crucial gateway: thousands of ...

CNN reviewed the protective design features of more than a dozen major US bridges that cross shipping channels leading to the biggest ports in the country. Most have stronger defenses against ship ...