Texas Transportation Code - TRANSP § 284.061. Acquisition of Property

(a) To acquire property useful in connection with a project, a county may enter on any real property, water, or premises to make a survey, sounding, or examination.

(b) A county may acquire by eminent domain property to use in or useful for a project under this chapter.

(c) Except as provided by Section 284.0615, if applicable, the county is entitled to immediate possession of property subject to a condemnation proceeding brought by the county after:

(d) Subject to the reimbursement requirements of Section 373.102, a county has full easements and rights-of-way through, across, under, and over any property owned by this state that are necessary or convenient to construct, acquire, or efficiently operate a project under this chapter.