Mo. Rev. Stat. § 479.010: Violation of municipal ordinances, jurisdiction.

Violations of municipal ordinances shall be heard and determined only before divisions of the circuit court as hereinafter provided in this chapter. "Heard and determined" , for purposes of this chapter, shall mean any process under which the court in question retains the final authority to make factual determinations pertaining to allegations of a municipal ordinance violation, including, but not limited to, the use of a system of administrative adjudication as provided in section 479.011, preliminary to a determination by appeal to the court in question.