33 C.F.R. § 117.304

The draw of the East 79th Street Bridge, mile 2.20, at Miami Beach, Florida. The draw shall operate as follows:

(a) Monday through Friday (except on Federal holidays):

(1) 7 a.m. to 10 a.m. the draw need only open on the hour.

(2) 10 a.m. to 4 p.m. the draw need only open on the hour and half hour.

(3) 4 p.m. to 7 p.m. the draw need only open on the hour.

(4) 7 p.m. to 7 a.m. the draw shall open on signal.

(b) Saturday, Sunday, and Federal holidays the draw shall open on signal.