Miss. Code Ann. § 65-18-3: Miss. Code Ann. § 65-18-3

For the purposes of this chapter, the term “local system road” means a road that is included on the county road system as designated under Section 65-7-4 that (a) is functionally classified as a local rural road in accordance with policies on geometric design of highways and streets adopted and published by the American Association of State Highway and Transportation Officials; (b) provides access to the state aid system, the federal aid system or the designated state highway system; and (c) has an average daily traffic count of four hundred (400) vehicles or less. The term “local system road” includes all drainage related structures except bridges that are included on the National Bridge Inspection Inventory maintained by the Office of State Aid Road Construction. The term “local system road” does not include a road or highway on the designated state highway system or on the state aid road system.