search of the river reporting from baltimore on mariel carbone. >> the collapse in baltimore has many wondering how bay area bridges would fare if there was a crash like the one in baltimore kron. 4 grant lodes joins us here in studio with what caltrans is saying could happen grant. that's right. ken vicki, some of the bay area bridges, sea cargo ships passing under other sea oil tankers, for instance, in caltrans says the possibility of a crash was always a consideration when these bridges were first designed and then built and then upgrade. every one of them has a protection device around it. that's a fender system that either is completely different than the bridge foundations themselves. >> or it's designed to absorb the energy. caltrans says it's more likely the xbridge fenders around the bridges to protect them would damage ship as opposed to the other way around. however, caltrans it's you cannot plan for everything. vicki and ken. and that is why caltrans says. and case of a crash, you know, they have protocols in place which are actually implemented last night as well where y