Prisoners confined in the county jail or city prison, by sentence of the district court, for a violation of a city or town bylaw, ordinance, or regulation, may, by ordinance, be required to work out the amount of all fines, penalties, forfeitures, and costs at the rate prescribed in § 16-90-108, on the streets or other improvement under the control of the city council.
Ark. Code § 14-55-603