Oregon Revised Statutes Highways, Roads, Bridges and Ferries § 368.056

A county governing body may issue a permit to a person to allow construction of a gate or stock guard on a public road under the jurisdiction of the county governing body. The county governing body may impose any conditions or specifications on the permit it determines advisable to preserve the purposes of the public road. Conditions on a permit under this section may include a requirement that the person issued the permit shall bear all costs of construction and maintenance of the gate or stock guard.