Missouri Revised Statutes Title XV. Lands, Levees, Drainage, Sewers and Public Water Supply § 245.405. Levees may be used as roadbeds and roadbeds may be used as levees

Said board of directors is hereby authorized and empowered to contract upon terms of reasonable compensation with any railroad corporation for the use and occupancy of levees of the district for the roadbed of such railroad corporations; and it shall be lawful for such board of directors to contract with any railroad corporation, for the use of their roadbed for levee purposes, and upon such terms as may be agreed upon by the parties they may contract and agree that such railroad company may construct their embankments to a sufficient height to prevent inundations over such embankments.