33 CFR § 117.243 - Nanticoke River.
(a) The draw of the Norfolk Southern Railway Bridge, mile 39.4 in Seaford, will operate as follows:
(1) From March 15 through November 15, the draw will open on signal for all vessels except that from 11 p.m. to 5 a.m. at least 2 1/2 hours notice will be required.
(2) At all times, from November 16 through March 14, the draw will open on signal if at least 2 1/2 hours notice is given.
(b) The draw of the SR 13 Bridge, mile 39.6, in Seaford shall:
(1) Open on signal, except from 6 p.m. to 8 a.m., from April 1 through October 31; from November 1 through March 31, Monday to Friday and on Saturday and Sunday from 3:30 p.m. to 7:30 a.m., if at least four hours notice is given.
(2) Open on signal, on Saturday and Sunday, from 7:31 a.m. through 3:29 p.m., from November 1 through March 31, if at least 24 hours notice is given.