Sec. 283.003. GENERAL AUTHORITY TO ACT. (a) Except as provided in Subsection (b), a county acting through its commissioners court may: (1) construct, acquire, improve, operate, and maintain a project; (2) authorize by resolution and issue revenue bonds, including interim bonds, to pay the cost of construction, acquisition, or improvement of the project; and (3) accept a loan, gift, or grant from this state or the United States and enter into any agreement necessary to obtain the loan, gift, or grant. (b) A county may not construct a bridge that traverses a ship channel or waterway with a maintained depth of 20 feet or more. (c) Except as provided by Section 283.104, a county may act as authorized by this chapter without the consent, approval, supervision, or regulation of the state. (d) A county performs an essential governmental function when it acts as authorized by this chapter. Acts 1995, 74th Leg., ch. 165, Sec. 1, eff. Sept. 1, 1995. SUBCHAPTER B. PROVISIONS RELATING TO A PROJECT