Tex. Spec. Dist. Local Laws Code § 9049.103

If the district's exercise of the power of eminent domain, the power of relocation, or any other power granted by this chapter makes necessary relocating, raising, rerouting, changing the grade of, or altering the construction of a highway, railroad, electric transmission line, telephone or telegraph property or facility, or pipeline, the necessary action shall be accomplished at the sole expense of the district.