Mo. Rev. Stat. § 316.227

Sections 316.203 to 316.233 shall not be construed to alter the duty of care or the liability of an owner of an amusement ride for injuries or death to any person or damage to any property arising out of an accident involving an amusement ride. Sections 316.203 to 316.233 shall not be construed to alter the duty of care of a passenger of an amusement ride or parent or guardian of such passenger for injuries or death to any person or damage to any property arising out of an accident involving an amusement ride. The state and its officers and employees shall not be construed to assume liability arising out of an accident involving an amusement ride by reason of administration of sections 316.203 to 316.233.