33 CFR 117.1087 – Fox River
(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.
(4) The Main Street Bridge, mile 1.58, the Walnut Street Bridge, mile 1.81, and the Tilleman Memorial Bridge, mile 2.27, are operated remotely.
(b) All drawbridges between mile 7.13 in DePere and mile 58.3 in Oshkosh, except the Canadian National Bridge at mile 55.72, shall open as follows:
(1) From April 27 through October 7, the draws shall open on signal, except between the hours of midnight and 8 a.m., the draws shall open if at least 2-hours advance notice is given.
(2) From October 8 through April 26, the draws shall open if at least 12-hours advance notice is given.
(3) All drawbridges between mile 37.52 and 58.01, are authorized to be operated remotely, and are required to operate and maintain a VHF-FM Marine Radio.
(c) The draw of the Canadian National Railroad Bridge at mile 55.72 shall open on signal, except from October 8 through April 26; the draw shall open if at least 12-hours advance notice is given. The bridge is authorized to be operated remotely. The owners of the bridge shall provide and keep in good legible condition two board gauges painted white with black figures to indicate the vertical clearance under the closed draw at all water levels. The gauges shall be so placed on the bridge that they are plainly visible to operators of vessels approaching the bridge either up or downstream. The bridge shall operate and maintain a VHF-FM Marine Radio. In addition to the required bridge lights, the owner’s shall install and maintain alternating red lights in a horizontal line that mimic grade crossing lights and bell to warn mariners that the bridge is lowering.
(d) The draw of each bridge at or between Berlin and Portage need not open for the passage of vessels.