Tex. Spec. Dist. Local Laws Code § 9018.152

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 the relocating, raising, rerouting, changing the grade, or altering the construction of a highway, railroad, electric transmission line, pipeline, or telegraph or telephone property or facility, the necessary action shall be accomplished at the sole expense of the district.