The draw of the LA 315 bridge across Falgout Canal, mile 3.1, shall open on signal; except that from 15 August to 5 June, the draw need not be opened from 7 a.m. to 8 a.m. and from 3 p.m. to 4 p.m., Monday through Friday except holidays. The draw shall open on signal at any time for an emergency aboard a vessel.
33 C.F.R. §117.444