SAN FRANCISCO (CBS SF) — A fatal motorcycle crash on the Bay Bridge in the westbound direction Monday afternoon closed several lanes past Treasure Island for over an hour, according to authorities.

The coroner has identified the victim as Robert Peng from Alamo. The 58-year-old was pronounced dead at 2:02 p.m.

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According to the California Highway Patrol, Peng lost control of the motorcycle and crashed but no debris or other vehicles were in the area.

The crash on westbound I-80 happened west of Treasure Island was first reported at 1:47 p.m. first tweeted about the injury collision shortly after 2 p.m. Monday afternoon.

CHP issued a severe traffic alert due to the collision.

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As of 2:30 p.m., the left lanes are still blocked. Motorists are advised to expect delays and to use alternate routes to avoid the area.

Officials announced that all lanes had reopened as of 3:19 p.m., over 90 minutes after the crash had happened.

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