NEW : `` We 're going to do everything we can to get the bridge open '' daily . Pieces of steel from bridge fell onto roadway on Monday , forcing closure . 73-year-old bridge spans the Bay Area 's , carries two vehicles daily . Crews worked Friday to replace four steel rods . BART has been swamped with riders since the San Francisco-Oakland Bay Bridge closed .
NEW : `` We 're going to do everything we can to get the bridge open '' daily . Pieces of steel from bridge fell onto roadway on Monday , forcing closure . 73-year-old bridge spans the Bay Area 's , carries two vehicles daily . BART has been swamped with riders since the San Francisco-Oakland Bay Bridge closed .