Missouri Revised Statutes Title XIV. Roads and Waterways § 233.070. Board's powers and duties--concurrent jurisdiction with special road subdistrict, when

(1) Except as provided in subsection 2 of this section, have sole, exclusive and entire control and jurisdiction over all public highways within its district outside the corporate limits of any city or village therein, other than those controlled by the highways and transportation commission, to construct, improve and repair such highways, and shall remove all obstructions from such highways, and for the discharge of these duties shall have all the power, rights and authority conferred by general statutes upon road overseers;

(2) At all times keep the public roads under its charge in as good repair as the means at its command will permit, and for this purpose may employ competent people at such compensation as they shall agree upon, and may rent, lease or buy road equipment, implements, tools and machinery, all kinds of motor power, and all things needful to carry on such road work, or the board may have such road work or any part of such work done by contract, under such regulations as the board may prescribe; and

(3) Have authority to enter into contracts with any city, town or village within its district relating to the improvement of the streets, roads or highways, or any bridge thereon, located in the city, town or village.