Notwithstanding any of the foregoing provisions of this chapter, the authority is hereby authorized to provide by resolution for the issuance at one time or from time to time for completion of the Newport Bridge ten million dollars ($10,000,000) aggregate principal amount of bonds of the authority designated “Newport Bridge bonds — Guaranteed by the state.” The state guaranteed bonds shall be in addition to the bonds of the authority authorized pursuant to the foregoing provisions of this chapter, (except that the three million five hundred thousand dollars ($3,500,000) revenue bonds payable solely from toll revenues of the Newport Bridge and the Mount Hope Bridge authorized by § 24-12-40C but unissued by the authority to pay for a part of the cost of completion of the Newport Bridge shall not be issued) and the issuance thereof and the maturities and other details thereof (including the approval of the maturities of the state guaranteed bonds by the general treasurer) shall be governed by the provisions of § 24-12-40B insofar as § 24-12-40B may be applicable and consistent with the provisions of this section. The state guaranteed bonds shall be treated as state guaranteed bonds issued pursuant to § 24-12-40B for the purposes of deposits to the credit of and payments from the special funds established pursuant thereto; provided, however, that a portion of the proceeds of the additional state guaranteed bonds may be deposited to the credit of a special bond reserve fund to be held by the general treasurer and applied (together with any interest income therefrom) to the payment of interest becoming due on the additional state guaranteed bonds issued under the provisions of this section. The authority is further authorized subject to the approval of the general treasurer to provide by resolution for the issuance of bonds of the authority for the purpose of refunding any of the additional state guaranteed bonds. The state hereby guarantees the payment of the principal of and the interest on all the additional state guaranteed bonds, including any bonds issued to refund the bonds, issued under the provisions of this section as the bonds respectively become due and payable, and the full faith and credit of the state is hereby pledged for the payment, and a statement to that effect shall be endorsed on the bonds by the general treasurer.