A vegetation fire near the Frenchtown area of Yuba County was spreading at a dangerous rate and threatened structures Sunday afternoon, officials said.

Cal Fire said the fire was located north of Marysville Road and east of Willow Glen. According to Cal Fire, the forward progress of the Ponderosa Fire was stopped Monday morning. The fire burned 87 acres and was 17% contained as of Monday afternoon.

Crews said there have been no reports that structures were damaged. The cause of the fire has been determined to be accidental, Cal Fire said.

Ponderosa Fire evacuations

Yuba County evacuation maps showed that only one zone, YUB-E094C, was left under a mandatory evacuation order. The following zones are under evacuation warnings: YUB-E094A, YUB-E094B, YUB-E093A, and YUB-E089B.

The map showed that an evacuation center was set up at the Alcouffee Center located at 9185 Marysville Road in Oregon House.

Frenchtown is about 70 miles northeast of Sacramento.