Section 117.850 - Black River(a) The Charles Berry Bridge, mile 0.6, will open on signal, except from January 1 through March 31 when the bridge will open if a 12-hour advance notice is given. The bridge will operate and maintain a VHF-FM Marine Radio and a telephone number.(b) The Norfolk Southern Railroad Bridge, mile 1.2, will open on signal, except from January 1 through March 31 when the bridge will open if a 12-hour advance notice is given. The bridge will operate and maintain a VHF-FM Marine Radio and a telephone number.CCGD09 86-01, 51 FR 28380, Aug. 7, 1986