N.C. Gen. Stat. § 136-78: Railroad companies to provide draws.

Railroad companies, erecting bridges across watercourses, shall attach and keep up good and sufficient draws, by which vessels may be allowed conveniently to pass. (1846, c. 51, ss. 1, 2; R.C., c. 101, s. 32; Code, s. 2051; Rev., s. 2701; C.S., s. 3800.)