UPDATE (10:35 p.m.): Kern County Fire officials say the Breckenridge Complex fire has burned 992 acres and is at 70 percent containment.
Officials hope to be able to wind down operations by midnight Friday.
Kern County Fire Department fire crews are in an area of Northeast Bakersfield working to contain four grass fires in the area.
County fire officials said 75 firefighters are fighting the fires in the area of Tarina Court and Breckenridge Road. Crews were first called to the area at 4:12 p.m. Friday.
So far, officials said the biggest of the fires burned 400 acres and is at 10 percent containment.
Officials said one structure was threatened at first, but fire crews were able to save it.
Fire crews are also using a helicopter and four air tankers to help put out the fires. They hope to have full containment by Friday night, officials said.
Arson investigators are on scene to look into a possible cause of the fire.
No other structures are under threat and no injuries were reported.
There are no road closures in the area, but fire officials ask that you avoid the area.