Okla. Stat. tit. 69, § 69-613: Working convicts on county highways - Duties of officers

The board of county commissioners of any county shall have

authority to work any convicts confined in the county jail, either

as punishment for crime or in lieu of payment of fine and costs,

upon public highways in the county, and to employ such guards and

other assistants as may be required. It shall be the duty of the

sheriff, upon the order of the board of county commissioners, to

deliver, to any person authorized to receive them for work, upon

public highways, any persons sentenced and confined in the county

jail either as punishment for crime or in lieu of payment of fine

and costs.