(a) Whenever any railroad company in this state weighs any cars loaded with freight to be shipped and charged for by the carload, such weighing shall be done by a certified public weigher, as provided for the weighing of cotton, rice, and other produce.

(b) When such cars are weighed singly, they shall be uncoupled at both ends and weighed one at a time, provided that when any railroad company transports timber, lumber, or other like articles of freight which, because of their length, overlap from one car to another, such company may cause a maximum of three such cars so loaded to be weighed together, after uncoupling them at both ends from other cars. In all such instances, the aggregate weight of the freight upon such cars shall be averaged so that each of the cars shall be charged with an equal amount of the total weight, and the shipper shall be made to pay freight as if each of the cars so weighed together did actually contain an equal portion of the whole load, provided that in such cases the shipper shall not pay less than the amount of freight due on full carloads.

(c) Any railroad company failing, refusing, or neglecting to comply with this Code section shall be held liable in an action for damages, to be brought in the county where such weighing is done, at the instance of any person aggrieved. A sum of not less than $100.00 nor more than $200.00 shall be recoverable for each offense.