Tex. Water Code § 57.100: CONSTRUCTION OF LEVEES.

(a) The district may construct the necessary levees, bridges, and other improvements across or under

(1) railroad embankments, tracks, or rights-of-way;

(2) public or private roads or the rights-of-way for the roads; or

(3) levees, other public improvements, and rights-of-way of other districts.

(b) A district may join its improvements to improvements in another district.

Acts 1971, 62nd Leg., p. 110, ch. 58, Sec. 1, eff. Aug. 30, 1971.