Neb. Rev. Stat. § 2-3234.08

(1) A private real property owner or lessee of property adjoining a trail has no duty (a) to maintain or repair the trail or (b) to protect users of the trail from danger resulting from conditions on the trail unless such conditions are the result of an intentional or negligent act of such owner or lessee. (2) A negotiated written agreement between a district and a private real property owner regarding the acquisition of real property, or an interest therein, by the district to establish and maintain a trail shall clearly express both parties' rights and obligations, including the obligation of the district to maintain the trail and the liability of the district for property damage or personal injury, or both, to users of the trail.