117.489—Plaquemine Brule Bayou.
The draw of the S91 bridge, mile 8.0 at Estherwood, shall open on signal from 5 a.m. to 9 p.m. if at least four hours notice is given. From 9 p.m. to 5 a.m., the draw shall open on signal if at least 12 hours notice is given.