SDCL § 49-16A-98: Restoration and maintenance of watercourses and highways affected by railroad construction.

Each railroad shall restore every stream of water, watercourse, street, highway, toll road, turnpike, or canal, across, along, or upon which its road is constructed, to its former state or to such condition as that its usefulness is not materially impaired, and shall maintain the same in such condition against any effects produced by such railroad.