(a) No person shall operate or move a motor vehicle over, on, through, or under any bridge or structure on any highway (1) if the height of such vehicle or the load exceeds the height of the posted clearance or load, as shown by an official traffic control device, as defined in section 14-297 , or (2) if the weight of such vehicle or such vehicle and the load exceeds the weight of the posted weight limit.
(b) Any person violating any provision of this section shall, (1) for a first offense, be fined not more than one thousand dollars, and (2) for a subsequent offense, be fined not more than two thousand five hundred dollars.