§ 74.45 OPERATION OF VEHICLE EXCEEDING WEIGHT LIMITS PROHIBITED.
   (A)   No person shall operate or move a traction engine, steam roller, or other vehicle, load, object or structure, whether propelled by muscular or motor power, over or upon the improved public streets, highways, bridges, or culverts in this municipality, that weighs in excess of the weights prescribed in this subchapter or R.C. §§ 5577.01 et seq., unless the person has been issued a permit under R.C. § 4513.34, or a substantially equivalent municipal ordinance. The prohibition in this section applies regardless of whether the weight is moved upon wheels, rollers, or otherwise. Any weight determination shall include the weight of the vehicle, object, structure, contrivance, and load.
(R.C. § 5577.02)
   (B)   Whoever violates the weight provisions of this section shall be fined $80 for the first 2,000 pounds, or fraction thereof, of overload; for overloads in excess of 2,000 pounds, but not in excess of 5,000 pounds, such person shall be fined $100, and in addition thereto $1 per 100 pounds of overload; for overloads in excess of 5,000 pounds but not in excess of 10,000 pounds, such person shall be fined $130, and in addition thereto $2 per 100 pounds of overload, or imprisoned not more than 30 days, or both. For all overloads in excess of 10,000 pounds, such person shall be fined $160, and in addition thereto $3 per 100 pounds of overload, or imprisoned not more than 30 days, or both. Whoever violates the weight provisions of vehicle and load relating to gross load limits shall be fined not less than $100. No penalty prescribed in this division (B)(2) shall be imposed on any vehicle combination if the overload on any 1 axle does not exceed 1,000 pounds, and if the immediately preceding or following axle, excepting the front axle of the vehicle combination, is underloaded by the same or greater amount. For purposes of this division (B)(2), 2 axles on 1 vehicle less than eight feet apart shall be considered as 1 axle.
(R.C. § 5577.99(A))