NTSB urged 30 owners of 68 bridges across 19 states to conduct a vulnerability assessment. The bridges “have not undergone a vulnerability assessment based on recent vessel traffic, and ...

In an April 18 letter to the NTSB, Lori Caron-Silveira, executive director of RIBTA, wrote the agency has contacted an engineering firm to complete a vulnerability ... that the 68 bridges are ...

While RITBA states it has already conducted an internal review of the vulnerability of its bridges, it has responded to ... 68 bridges across 19 states in need of vulnerability assessments to ...