In order to secure fresh water, a district may construct necessary levees, bridges, and other improvements across or under:
(1) railroad embankments, tracks, or rights-of-way;
(2) public or private roads and their rights-of-way;
(3) rivers;
(4) improvements of other districts and their rights-of-way; and
(5) other improvements and their rights-of-way.
Official text of the Texas Water Code as published by the Texas Legislative Council.