South Dakota Codified Laws
Chapter 10 - Boundary State Highway Bridges
Section 31-10-5 - Contracts with adjoining states, persons, or corporations.

31-10-5. Contracts with adjoining states, persons, or corporations.
The Department of Transportation may enter into agreements or contracts with the proper authorities of the states which adjoin the State of South Dakota, subdivisions of such states, or companies, corporations, or persons relative to the purchase or condemnation, construction, or maintenance of boundary state highway bridges.

Source: SL 1947, ch 132, §3; SDC Supp 1960, §28.1427.