Miss. Code Ann. § 65-19-69: Miss. Code Ann. § 65-19-69

The board of supervisors are authorized to acquire rights of way for the roads proposed to be constructed in said district, in the manner now prescribed by law for the acquisition of the rights of way for roads. Such rights of way shall be of necessary width, and if it be deemed necessary to acquire rights of way for such roads in excess of thirty feet, then the board of supervisors is authorized to acquire same up to any width deemed by them to be necessary for such road.