The draw of the Barter's Island Bridge, mile 2.0, between Hodgdon and Barters Island at Boothbay, shall open on signal from June 1 through October 31; except that, from 5 p.m. to 8 a.m., the draw shall be opened on signal if notice was given to the drawtender from 8 a.m. to 5 p.m. From November 1 through May 31 the draw shall open on signal if at least 24 hours notice is given to the drawtender or to the Maine Department of Transportation at Augusta.
33 C.F.R. §117.523