R.I. Gen. Laws § 24-12-39
When all bonds issued under the provisions of this chapter and the interest thereon shall have been paid or a sufficient amount for the payment of all the bonds and the interest thereon to the maturity thereof shall have been set aside in trust for the benefit of the bondholders, all projects financed under the provisions of this chapter may be transferred to the state in good condition and repair, and thereupon the authority shall be dissolved and all funds of the authority not required for the payment of bonds shall be paid to the general treasurer for the use of the state and all machinery, equipment and other property belonging to the authority shall be vested in the state and delivered to the department of transportation.
R.I. Gen. Laws § 24-12-39