across the golden gate bridge. in weekend we have the races at sonoma expect traffic on highway 80 through vallejo, 37 over towards the raceway on to 101 through marin county can be very heavy this weekend. san francisco marathon happening we ll talk about that coming up. 6:02. developing news from san francisco s castro district flash flood in the last hour public works crews finally capped a broken fire hydrant. reporter: look at this spot there used to be a fire hydrant there now there is just a big hole. he hit the fire hydrant and knocked it off and left a hole that sent water gushing that the air. it looked like a geyser the car knocked the fire hydrant down after it crashed into it, let the water free it was spewing everywhere it happened about 2:00 this morning on castro street in a residential area at henry. one resident woke up, came to check it out these are pictures sent from one of our from from one of our viewers. crews looking like they are having troub