On completion of a road or road facility authorized by this section, the district, with the consent of a municipality or county, may convey the road or road facility to the municipality or county if the conveyance is free of all indebtedness of the district. If the municipality or county becomes the owner of a road or road facility, the municipality or county is responsible for all future maintenance and upkeep and the district has no further responsibility for the road or road facility or its maintenance or upkeep, unless otherwise agreed to by the district and the municipality or county.
Tex. Spec. Dist. Loc. Laws § 8200.052