33 C.F.R. § 117.269 Biscayne Bay.
Title 33 - Navigation and Navigable Waters
The draw of the East Span of the Venetian Causeway bridge, between Miami and Miami Beach, shall open on signal; except that, from November 1 through April 30 from 7:15 a.m. to 8:45 a.m. and 4:45 p.m. to 6:15 p.m. Monday through Friday, the draw need not be opened. However, the draws shall open at 7:45 a.m., 8:15 a.m., 5:15 p.m., and 5:45 p.m. if any vessels are waiting to pass. The draw shall open on signal on Thanksgiving Day, Christmas Day, New Year's Day, and Washington's Birthday. The draw shall open at any time for public vessels of the United States, tugs with tows, regularly scheduled cruise vessels, and vessels in distress.
Title 33: Navigation and Navigable Waters
PART 117—DRAWBRIDGE OPERATION REGULATIONS
Subpart B—Specific Requirements
Florida
§ 117.269 Biscayne Bay.