SDCL § 46A-10A-71: Drains along or across highways.

Subject to any official controls pursuant to this chapter and chapter 46A-11, drains may be laid along, within the limits of, or across any public highway. If a highway is constructed along or across a drain, the board or officers in charge of such highway shall keep the drain free and clear of obstruction.

Source: SL 1985, ch 362, § 72.