Notwithstanding any provision of law to the contrary, the board of county commissioners of a county may enter public-private initiatives, as defined in section 43-1-1201 (3), for county highways and bridges on behalf of the county. In addition, the board of county commissioners of a county may enter into contracts or other agreements on behalf of the county to privatize any county highway or bridge or charge a toll therefor. The board may also charge a toll for any county highway or bridge for the purpose of constructing, operating, or maintaining such bridge or highway.