(a) The width, height, and gross weight of a vehicle or combination of vehicles subject to this subchapter that is transporting raw wood products shall conform to Chapters 621 and 623, except that a vehicle or combination of vehicles transporting raw wood products that has an outer bridge of 39 feet or more may have a maximum gross weight of 80,000 pounds.
(b) Notwithstanding any other provision of law, Subsection (a) does not authorize the operation of a vehicle or combination of vehicles subject to this subchapter that is transporting raw wood products on a bridge with a load limitation at a weight that exceeds that limitation.