(a) This chapter applies only to a sign that is:
(1) outdoors; and
(2) visible from the main-traveled way of a rural road.
(b) In this section, "rural road" means a road, street, way, or bridge:
(1) that is located in an unincorporated area;
(2) that is not privately owned or controlled;
(3) any part of which is open to the public for vehicular traffic; and
(4) that is under the jurisdiction of this state or a political subdivision of this state.