Mo. Rev. Stat. § 197.052
An applicant for or holder of a hospital license may define or revise the premises of a hospital campus to include tracts of property which are adjacent but for a common street, single intersection, or highway, as such terms are defined in section 300.010, and its accompanying public right-of-way.
(L. 2010 H.B. 2226, et al § 1, A.L. 2018 H.B. 2183 merged with S.B. 951)