The draw of the bridge, mile 1.6 at Ocean Springs, shall open on signal; except that, from 9 p.m. to 5 a.m., the draw shall open on signal if at least eight hours notice is given to the Old Fort Bayou drawtender. During periods of storm or hurricane warnings issued by the National Weather Service, the draw shall open on signal at any time. [CGD 82-025, 49 FR 17452, Apr. 24, 1984; 49 FR 37382, Sept. 24, 1984]