S.D. Codified Laws § 46-8-16
An owner of works for the storage, carriage, or application of water to beneficial use has the right to cross any public or railroad right-of-way, subject to such reasonable conditions as may be prescribed by the board or officer having charge of the right-of-way. The owner of the works shall notify the board or officer in charge of the right-of-way in writing showing the location and character of the crossing and shall provide a plat showing the location of the proposed route across the right-of-way. The owner of the works shall bear the cost of construction of any bridge, culvert, or similar structure where it crosses the right-of-way. All bridges, culverts, or similar structures shall be constructed in accordance with pertinent provisions of law.
SDCL 46-8-16