The county engineer, upon finding on the basis of an engineering study and engineering judgment that a weight limit is reasonably necessary on a roadway or parts of a roadway for the protection and convenience of the traveling public of the county, shall approve the weight limit and install and maintain weight limit signs along the designated roadway or parts of a roadway. At the county engineer's discretion, the county engineer may alternately make a recommendation for the weight limit restriction to the board of supervisors, and upon approval by the board, shall install and maintain the proper weight limit signs along the designated roadway or parts of a roadway. (Ord. 2021-11 § 9 (part), 2021)