Sec. 364.050.  TRUST INDENTURE.  (a)  Bonds issued under this chapter may be secured by a trust indenture between the county and a corporate trustee that is a trust company or a bank that has the powers of a trust company.
(b)  The trust indenture may:
(1)  pledge or assign the tolls, charges, and revenues from the operation of the toll bridge or bridges;  or
(2)  mortgage all or part of the toll bridge or bridges.
Acts 1995, 74th Leg., ch. 165, Sec. 1, eff. Sept. 1, 1995.