udc pierre at the castro theater and we have to stop believing and not it is thursday night. and for more information but cbs sf talk, later this morning.,,,,,,,, >>> returning to our top story this morning, demolition work is continuing and st. in san francisco. we're life at the scene. how was it going? >>> if we are pretty good. this demolition of the wheel drive has become set to discuss loris latest tourist attraction. people walking by the cbc rick behind me. the crews are hard at work demolishing the street. it's been here for some 75 years. a liason video that we have from last night. just as it was closing around 7:00. and hydraulic hammers you see and large jackhammers it began chipping away at the roadway. the plan is to remove the top portion of the superstructure first and then take down the girders and the columns. this entire area is the motions on. the city equipment the ec will be on-site for a weekend and of course it be quite noisy so that the traffic and easy answer is just have some patience. how late i wanna be your only approach the bridge is weak and w