Miss. Code Ann. § 65-25-29

Any municipality, in addition to the revenues which may be received from the sale of bridge revenue bonds and from the collection of tolls and other bridge revenues derived under the provisions of this article, shall have authority to receive and accept from any federal agency, state, state agency, municipality, municipal agency, or other political subdivision grants for or in the aid of the construction or acquisition of any bridge, and to receive and accept contributions from any source of either money or property or other things of value, to be held, used, and applied only for the purpose for which such grants and contributions may be made.