This subchapter does not affect or impair:

1. (1) a person's vested right; or
2. (2) the right of a person to use and maintain a bridge in existence on May 17, 1929, on or across Mud Bayou or East Bay Bayou.

Added by Acts 2001, 77th Leg., ch. 1420, Sec. 9.010(b), eff. Sept. 1, 2001.