Douglas County deputies are searching in Highlands Ranch for an inmate who escaped custody during transport.

Deputies say Jacob Beckstead, 18, escaped in the area of C-470 and Quebec Street. 

Beckstead is described a white male who is 5 feet, 10 inches tall and weighs 140 pounds. He's got brown hair and green eyes. Deputies say he's familiar with the Highlands Ranch area.

He was last seen wearing brown pants and a red jacket. If seen, you're asked to call 911.