CONCORD (CBS SF) — A vegetation fire that broke out Tuesday afternoon near state Highway 4 and Willow Pass Road in Concord has been fully contained after burning 30 acres, Cal Fire said.

The so-called Point Fire was reported at 2:38 p.m. along Highway 4, just west of Willow Pass Road and had burned 15 to 20 acres as of about 4 p.m. with forward progress stopped, according to Cal Fire.

The two right eastbound lanes of Highway 4 and the off-ramp to Willow Pass Road were closed as a result of the response to the blaze, according to the California Highway Patrol.

Concord police said outbound Willow Pass Road was shut down at Landana Dr. and Highway 4 was experiencing heavy traffic because of the lane closures. Motorists were urged to avoid the area.

All traffic lanes reopened by 7:30 p.m.

Contra Costa Fire said the fire was 90 percent contained as of 4:07 p.m., and that numerous firefighters and apparatus would remain on the scene for full containment and mop up.