Mississippi Code Title 65. Highways, Bridges and Ferries § 65-11-3

(a) The term “construction” means the supervising, inspection, actual building, and all expenses incidental to the construction or reconstruction of a highway, including locating, surveying, mapping, costs of right of way, and elimination of hazards of railway grade crossings.

(b) The term “county highways” shall include all county roads now under the jurisdiction of or being maintained by the board of supervisors of any county, not including roads on the state maintained highway system, but including streets inside municipalities or urban areas of less than five thousand inhabitants according to the latest available federal census, and specifically including all “secondary and feeder roads” as defined by the Federal Aid Highway Act of 1944 [58 U. S. Stat. 838, ch. 626].