The CSX Railroad Swingbridge, mile 0.8, in Putnam County, shall open on signal from 8 a.m. to 4 p.m., daily. From 4:01 p.m. to 7:59 a.m., daily, the bridge shall open with a 24-hour advance notice to CSX at 1-800-232-0142. [CGD07-03-094, 69 FR 1919, Jan. 13, 2004]