onramps to the bay bridge is closed in the middle of the evening commute.whooshbrittney does wx tzwhooshuporoville dam this is still an emergency situationi want to remind people mother nature is in the rooma race against time and the weather .you're watching kron four news in prime time. that breaking news were following tonight is out of san francisco where a two- thousand pound concrete slab and a big pump are leaning at the top of a 30-story building that's under construction. several buildings in the area have been forced to evacuate... good evening and thanks for joining us... i'm grant lodes in for pam moore... and i'm steve aveson... streets have been closed off... causing major traffic gridlock.

onramps to the bay bridge is closed in the middle of the evening commute.whooshbrittney does wx tzwhooshup at the oroville dam this is still an emergency situationi want to remind people mother nature is in the rooma race against time and the weather .you're watching kron four news in prime time. that breaking news were following tonight is out of san francisco where a two- thousand pound concrete slab and a big pump are leaning at the top of a 30-story building that's under construction. several buildings in the area have been forced to evacuate... good evening and thanks for joining us... i'm grant lodes in for pam moore... and i'm steve aveson... streets have been closed off... causing major traffic gridlock. this is happening in san francisco's south of market neighborhood -- at 33 tehama street....near first and howard streets. right now the fremont street off ramp is closed... and there is a shelter-in-place along tehama street. let's get right to kron4's j-r stone... he is live at the scene with the latest on what what went wrong and when things might get back to normal...jr? we hav