(b) After the determination as required by subsection (a) is made and all modifications and repairs necessary to meet the specifications of the division of highways are completed, the commissioner may designate that portion of state route 61 and County route 72, located in Kanawha County, which is eighty-five hundredths of a mile in length, and its extension to state route 3 at Orgas in Boone County, an industrial road.
(c) Notwithstanding the provisions of any other section of this article, the commissioner may set the gross weight limitations applicable to that portion of state route 61 and County route 72 designated an industrial road not to exceed eighty thousand pounds.