Transp. Code Section 202.057
Conveyance of Easement or Interest for Flood Control
(a)The commission may, on request of an officer of the United States or the county judge of an affected county, convey without monetary consideration to the United States, or to a county that has agreed to convey real property or an interest in real property to the United States under an Act of Congress, an easement or interest in that property if:
(1)the state acquired the property for use as a right-of-way for a state highway in a county that borders on the United Mexican States, or in a county adjacent to such a county; and
(2)the property is used or is proposed to be used by that county or the United States for the construction, operation, and maintenance of a system to control flood waters of a navigable stream of the state.
(b)If the state does not own fee simple title to the property, the commission may join and consent to an easement to be used for a flood control purpose if the owner of the fee has executed an easement.
(c)The commission may execute a necessary deed, conveyance, or agreement, to be signed by the chair of the commission as provided by commission order, for flood control purposes under this section.
(d)In lieu of the monetary consideration waived by Subsection (a), the commission may make a reservation or agreement for the construction, reconstruction, alteration, operation, or maintenance of a structure or facility used or projected to be used for a highway purpose on real property that is needed for a flood control purpose.
Section 202.057 — Conveyance of Easement or Interest for Flood Control,
https://statutes.capitol.texas.gov/Docs/TN/htm/TN.202.htm#202.057 (accessed Dec. 2, 2023).