SAN FRANCISCO, Calif. (KRON) — A multi-vehicle crash on the Bay Bridge has forced lanes to close on eastbound I-80.

CHP San Francisco says about half a mile east of 1st Street, lanes number 1, 4 and 5 are blocked due to the traffic collision.

The estimated time of reopening lane 1 is about 20 minutes, while the ETO for lanes number 4 and 5 is about 75 minutes.

Check back for updates.