615 ILCS 105/4
Upon the acceptance of title to the Canal as aforesaid, the Canal shall become a State Park, under the care, control, supervision, and management of the Department of Natural Resources as provided by the laws of this State concerning the State park system, except that (a) each bridge which connects sections of a road which is part of the system of State highways, and any approach to such a bridge, shall become part of such system of State highways; (b) each other public road section or bridge, unless designated by the Department of Natural Resources as an access road or driveway of the Park, shall be maintained by the governmental unit which maintains the road of which such section or bridge is a part; and (c) the Department of Natural Resources shall control, operate, and maintain all dams and other structures and facilities which regulate or pertain to the regulation of the water levels in the several pools of the Park, and shall construct, reconstruct, repair, maintain, and operate such dams and other structures and facilities in such manner as will best promote the public recreational use of the Park.
615 ILCS 105/4