SUISUN CITY (CBS SF) — Fire crews converged on a brush fire burning near State Route 12 and Walters Road in Suisun City that temporarily shut down the roadway in both directions, according to authorities.

A sig-alert was issued at about 3 p.m. regarding a vegetation fire along State Route 12 between Walters and Scally Lane.

READ MORE: Report: Seresto Flea and Tick Collars Linked To Pet Illnesses, Deaths, Human Side Effects

Suisun City brush fire that closed State Route 12 (CBS)

The fire reportedly reached three alarms and created a large plume of smoke that was visible from miles away. The Contra Costa County Fire Protection District said its helicopter had assisted in battling the fire and it had been extinguished as of 4:50 p.m.

READ MORE: Prosecutors: Woman Charged In Mountain View Anti-Asian Attack Spit On Man Having Lunch

Travis Air Force Base firefighters assisted in the battle to contain the fire. There was no immediate word of any injuries or structures damaged.

The CHP said eastbound and westbound lanes of Highway 12 had reopened as of 4:37 p.m.

The cause of the fire was not known.

MORE NEWS: Update: Ghost Ship Fire Victims Families Angrily Address Defendant Derick Almena