The Bay Bridge is ready to undergo 'them changes'So, by now you know that engineers are planning to give the Bay Bridge a makeover between Thursday and Tuesday, namely instituting an "S-curve" approaching the tunnel. The "Speed Limit 40" signs are already up, albeit with rags covering them until Sept. 8. But that's not the only change we'll be seeing on the Bay Bridge. During its four-day sojourn, workers will paint it orange and up the toll to $6. Just kidding. But they will do away with the