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All lanes reopen following motorcycle crash on Bay Bridge

396779 08: The western span of the San Francisco Bay Bridge and San Francisco skyline seen November 2, 2001. Bridge security in California has been stepped up since California Governor Gray Davis announced authorities have received very credible threats that one of California's many suspension bridges may be targeted for terrorist attack between November 2 - November 7, 2001. (Photo By Justin Sullivan/Getty Images)

SAN FRANCISCO, Calif. (KRON) — A motorcycle crash shut down multiple lanes on the Bay Bridge Saturday afternoon, according to the California Highway Patrol.

The crash occurred on westbound I-80, east of Treasure Island.

The center and right lanes were closed but reopened around 4:40 p.m.

Officials say there are injuries, but didn’t specify the severity of the injuries.

A man was seen lying in the middle lane, authorities said.

It’s unclear if the other vehicle involved pulled over or continued to drive.

Check back for updates as this is a developing story.