S.C. Code Ann. § 12-10-85
(A) Funds received by the department for the State Rural Infrastructure Fund must be deposited in the State Rural Infrastructure Fund of the Council. The fund must be administered by the council for the purpose of providing financial assistance to local governments for infrastructure and other economic development activities including, but not limited to:
(4) fixed transportation facilities including highway, rail, water, and air.
The council may retain up to five percent of the revenue received for the State Rural Infrastructure Fund for administrative, reporting, establishment of grant guidelines, review of grant applications, and other statutory obligations.