Texas Natural Resources Code - NAT RES § 61.013. Prohibition

(a) It is an offense against the public policy of this state for any person to create, erect, or construct any obstruction, barrier, or restraint that will interfere with the free and unrestricted right of the public, individually and collectively, lawfully and legally to enter or to leave any public beach or to use any public beach or any larger area abutting on or contiguous to a public beach if the public has acquired a right of use or easement to or over the area by prescription, dedication, or has retained a right by virtue of continuous right in the public.

(b) Unless properly certified as consistent with this subchapter, no person may cause, engage in, or allow construction landward of and adjacent to a public beach within the area described in Section 61.011(d)(6) of this code in a manner that will or is likely to affect adversely public access to and use of the public beach. The prohibition in this subsection takes effect only on adoption of final rules by the commissioner under Section 61.011 of this code.

(c) For purposes of this section, “public beach” shall mean any beach bordering on the Gulf of Mexico that extends inland from the line of mean low tide to the natural line of vegetation bordering on the seaward shore of the Gulf of Mexico, or such larger contiguous area to which the public has acquired a right of use or easement to or over by prescription, dedication, or estoppel, or has retained a right by virtue of continuous right in the public since time immemorial as recognized by law or custom. This definition does not include a beach that is not accessible by a public road or public ferry as provided in Section 61.021 of this code.