Section 117.611 - Neponset RiverThe Granite Avenue Bridge, mile 2.5, between Boston and Milton, Massachusetts, shall operate as follows:
(a) The draw of the Granite Avenue Bridge shall open on signal from May 1 through October 31; 6 a.m. to 12 midnight. At all other times the draw shall open on signal if at least one hour advance notice is given by calling the number posted at the bridge.(b) The owners of this bridge shall provide and keep in good legible condition, clearance gauges for each draw with figures not less than twelve (12) inches high designed, installed and maintained according to the provisions of § 118.160 of this chapter.CGD01-94-087, 60 FR 54432, Oct. 24, 1995