KNTV NBC Bay Area News At 11AM February 22, 2016
The walls in the yerba buena tunnel. These are concrete spots that indicated corrosion and needed to be replaced. Now, this comes after a large 13 x 12 inch chunk of concrete fell from the wall and hit liz g gustens car. The collision popped her tire and caused more than 3,000 worth of damage to her car. February 1st, caltran workers tapped the walls of the tunnel with a hammer to see if any more spots rang hollow. Workers found 13 locations i mentioned that had been loosened from the rebar by moisture and rainwater and they range in size from a few inches to a few feet. All of those pieces ha...