A new study compiled by Johns Hopkins University and led by Dr. Michael Shields shows vulnerabilities among U.S. bridges. "It (Francis Scott Key Bridge) wasn't an aberration," Shields said.

YEAH, SOON AFTER THE DALI SLAMMED INTO THE FRANCIS SCOTT KEY BRIDGE. PROFESSOR MICHAEL SHIELDS BEGAN WORKING TO FIGURE OUT HOW LIKELY BRIDGE AND SHIP COLLISIONS WERE ACROSS THE COUNTRY.

Was it an aberration? We found it's really not," said Michael Shields, a Johns Hopkins engineer specializing in risk assessment and lead investigator of the National Science Foundation–supported study ...

“We have dramatically underestimated the risk that large ships pose to bridges across the country,” said Michael Shields, an associate professor at Johns Hopkins who led the study. After ...

At the time, Michael Shields, an associate professor at Johns Hopkins University, described the collision as "a wake-up call." If a Baltimore landmark like the Key Bridge, which had carried more than ...