Ala. Const. art. XI, § 213.01

In addition to the authority heretofore granted it by section 93 of this Constitution as amended, and notwithstanding the provisions of section 213 of this Constitution as amended, and when authorized by appropriate laws passed by the legislature, the state may, at a cost of not exceeding an additional ten million dollars engage in works of internal improvement by promoting, developing, constructing, maintaining and operating along navigable streams or waterways now or hereafter existing within the state all manner of docks, facilities, elevators, warehouses, water and rail terminals and other structures and facilities and improvements needful for the convenient use of the same, in aid of commerce and use of the waterways of the state; provided that any such work or improvements shall always be and remain under the management and control of the state through the Alabama state docks department or other state governing agency. When authorized by appropriate laws passed by the legislature, the state may become indebted in an aggregate principal amount of not exceeding $10,000,000 for the purpose of carrying out the provisions of this amendment and may cause to be issued its general direct obligation bonds for the repayment of such indebtedness and interest thereon and pledge the faith and credit of the state thereto.