Except as provided by Section 258.004, a county road map adopted under Section 258.002 is conclusive evidence of:

1. (1) the public's right of access over a road included on the map; and
2. (2) the county's authority to spend public money to maintain a road included on the map.

Added by Acts 2003, 78th Leg., ch. 236, Sec. 1, eff. Sept. 1, 2003.