Tex. Spec. Dist. Local Laws Code § 9020.104

If the authority's exercise of the power of eminent domain, the power of relocation, or any other power granted under 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 authority.