TRAFFIC: Current road conditions and alerts
The crash was initially reported shortly after 11:20 a.m. on the ramp from northbound Highway 880 to southbound Highway 238.
Minor injuries were reported to the driver of the big-rig. The vehicle is leaking acetic acid into the soil, CHP Officer Kevin Bartlett said.
Bartlett said around 1 p.m. that the ramp is expected to remain closed for hours while crews clean up and clear the scene.