33 CFR §117.103

The draw of SR 188 Bridge, mile 2.3, at Bayou La Batre, will open on signal every hour on the hour daily between 4 a.m. and 8 p.m., Monday through Sunday. The bridge need not open for the passage of vessels on the hours of 7 a.m., 3 p.m., and 4 p.m., Monday through Friday. Monday through Friday the draw will open on signal for the passage of vessels at 3:30 p.m. The bridge will remain closed to marine traffic from 8 p.m. to 4 a.m. daily except for emergencies.