If the bridge owners determine that a bridge has a high risk level ... in response to the NTSB’s investigation of the Sunshine Skyway Bridge collapse in Florida. In the March report, the ...

One in 100 is extremely high," Shields said in the published ... it in 1991 as a result of a ship collision with the Sunshine Skyway Bridge in Florida in 1980. All bridges built over navigable ...

"To keep our bridges safe and operational, we want the chances of a collision strong enough to take down the bridge to be less than one in 10,000 in a given year, not one in a 100. One in 100 is ...