117.433—Bonfouca Bayou.
The draw of the S433 Bridge, mile 7.0, at Slidell, shall open on signal, except that from 6 p.m. to 6 a.m. from November 1 through February 28 or February 29, the draw shall open on signal if at least two hours notice is given. From March 1 through October 30, from 9 p.m. to 7 a.m. the draw shall open on signal if at least two hours notice is given. On Monday through Friday, except Federal holidays, throughout the year, the draw need not open for the passage of vessels from 7 a.m. to 8 a.m. and from 1:45 p.m. to 2:45 p.m.