{"data":{"id":"us/33-cfr-117.597","jurisdiction":"us","citation":"33 CFR 117.597","heading":"Dorchester Bay.","body":"The draw of the of the William T. Morrisey Boulevard Bridge, mile 0.0, at Boston, shall operate as follows:\n(a) From 7:30 a.m. to 9 a.m. and 4:30 p.m. to 6 p.m., Monday through Friday, except holidays, the draw need not open for the passage of vessel traffic.\n(b) The draw shall open on signal from April 16 through May 31, from 8 a.m. through midnight, except as provided in paragraph (a) of this section. From midnight through 8 a.m. at least an eight-hour advance notice is required for bridge openings.\n(c) The draw shall open on signal at all times from June 1 through September 30, except as provided in paragraph (a) of this section.\n(d) The draw shall open on signal from October 1 through October 14, 8 a.m. through midnight, except as provided in paragraph (a) of this section. From midnight through 8 a.m. at least an eight-hour advance notice is required for bridge openings.\n(e) The draw shall open on signal from October 15 through April 15, after at least a 24 hours notice is given, except as provided in paragraph (a) of this section.","path":["Title 33—Navigation and Navigable Waters","CHAPTER I—COAST GUARD, DEPARTMENT OF HOMELAND SECURITY","SUBCHAPTER J—BRIDGES","PART 117—DRAWBRIDGE OPERATION REGULATIONS","Subpart B—Specific Requirements"],"source_url":"https://www.ecfr.gov/api/versioner/v1/full/2026-08-25/title-33.xml","current_through":"2026-08-25","vintage":"","retrieved_at":"2026-08-27T02:25:35Z","sha256":"1ea6ba34b5af0570d86c80c0384a419151e39f8b00605f3dcc7f16f9c3a52479","source_id":"us-cfr","stale":true,"prev":"us/33-cfr-117.595","next":"us/33-cfr-117.598"},"notice":"GroundRules: Original legal text. Not legal advice."}