(a) The draws of the Canadian National Bridge, mile 1.03, Main Street Bridge, mile 1.58, Walnut Street Bridge, mile 1.81, Mason Street (Tilleman Memorial) Bridge, mile 2.27, and Canadian National Bridge, mile 3.31, all at Green Bay, shall open as follows:
(1) From April 1 through November 30, the draws shall open on signal for recreational vessels; except the draws need not open from 7 a.m. to 8 a.m., 12 noon to 1 p.m., and 4 p.m. to 5 p.m., Monday through Saturday except Federal holidays. Public vessels, tugs, and commercial vessels with a cargo capacity of 300 short tons or greater shall be passed at all times.
(2) From December 1 through March 31, the draws shall open on signal if notice is given at least 12 hours in advance of a vessels time of intended passage.
(3) The opening signal for the Main Street Bridge is two short blasts followed by one prolonged blast, for the Walnut Street Bridge one prolonged blast followed by two short blasts, and for the Mason Street Bridge one prolonged blast, followed by one short blast, followed by one prolonged blast.
(b) The draw of the George Street Bridge, mile 7.27 at DePere, shall open on signal from April 1 to November 30; except that, from 6 p.m. to 8 a.m., the draw shall open on signal if notice is given at least 2 hours in advance of a vessels time of intended passage. From December 1 to March 31, the draw shall open on signal if notice is given at least 12 hours in advance of a vessels time of intended passage.
(c) The draws of the Main Street bridge, mile 56.3, Jackson Street bridge, mile 56.5, Wisconsin Street bridge, mile 57.0, and the Congress Avenue bridge, mile 58.3 all at Oshkosh, shall open on signal from 8 a.m. to 12 midnight; except that, from Monday through Friday from 11:45 a.m. to 12:15 p.m., 12:45 p.m. to 1:15 p.m., and 3 p.m. to 5 p.m., the draws need not be opened for other than public vessels of the United States except on Memorial Day, Independence Day, and Labor Day. From 12 midnight to 8 a.m., the draws shall open on signal if at least two hours notice is given by radiotelephone to the Main Street bridge drawtender or the Winnebago County Sheriff's Department.
(d) The draw of each bridge at or between Berlin and Portage need not open for the passage of vessels. [CGD 82-025, 49 FR 17452, Apr. 24, 1984, as amended by CGD09-05-081, 70 FR 59657, Oct. 13, 2005]