Mo. Rev. Stat. § 234.020
County engineer to supervise certain construction.
234.020. County engineer to supervise certain construction. — The construction of all masonry or concrete culverts and bridges, and of all other bridges costing over fifty dollars, shall be under the supervision of the county highway engineer.
(RSMo 1939 § 8535) Prior revisions: 1929 § 7899; 1919 § 10687; 1909 § 10487