33 CFR § 117.163 - Islais Creek (Channel).
---
identifier: "/us/cfr/t33/s117.163"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "33 CFR § 117.163 - Islais Creek (Channel)."
title_number: 33
title_name: "Navigation and Navigable Waters"
section_number: "117.163"
section_name: "Islais Creek (Channel)."
chapter_name: "COAST GUARD, DEPARTMENT OF HOMELAND SECURITY"
subchapter_number: "J"
subchapter_name: "BRIDGES"
part_number: "117"
part_name: "DRAWBRIDGE OPERATION REGULATIONS"
positive_law: false
currency: "2026-03-24"
last_updated: "2026-03-24"
format_version: "1.1.0"
generator: "[email protected]"
authority: "33 U.S.C. 499; 33 CFR 1.05-1; and DHS Delegation No. 00170.1, Revision No. 01.4."
regulatory_source: "CGD 82-025, 49 FR 17452, Apr. 24, 1984, unless otherwise noted."
cfr_part: "117"
---
# 117.163 Islais Creek (Channel).
(a) The draw of the Illinois Street drawbridge, mile 0.3 at San Francisco, shall open on signal if at least 72 hours advance notice is given to the Port of San Francisco.
(b) The draw of the Third Street drawbridge, mile 0.4 at San Francisco, shall open on signal if at least 72 hours advance notice is given to the San Francisco Department of Public Works.
[USCG-2008-0648, 73 FR 74019, Dec. 5, 2008, as amended by USCG-2018-0874, 84 FR 30879, June 28, 2019]