33 CFR § 117.625 - Black River (Port Huron).

---
identifier: "/us/cfr/t33/s117.625"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "33 CFR § 117.625 - Black River (Port Huron)."
title_number: 33
title_name: "Navigation and Navigable Waters"
section_number: "117.625"
section_name: "Black River (Port Huron)."
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: "2026-04-05"
last_updated: "2026-04-05"
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"
---


# 117.625 Black River (Port Huron).

(a) The draw of the Military Street Bridge, mile 0.33, shall open on signal; except that, from May 1 through October 31, from 8 a.m. to 11 p.m., seven days a week, the draw need open only on the hour and half-hour for recreational vessels, or at any time when there are more than five vessels waiting for an opening, and from November 1 through April 30 if at least 12-hours advance notice is given.

(b) The draw of the Seventh Street Bridge, mile 0.50, shall open on signal; except that, from May 1 through October 31, from 8 a.m. to 11 p.m., seven days a week, the draw need open only on the quarter-hour and three-quarter-hour for recreational vessels, or at any time when there are more than five vessels waiting for an opening, and from November 1 through April 30 if at least 12-hours advance notice is given.

(c) The draw of the Tenth Street Bridge, mile 0.94, shall open on signal; except that, from May 1 through October 31, from 8 a.m. to 11 p.m., seven days a week, the draw need open only on the hour and half-hour for recreational vessels, or at any time when there are more than five vessels waiting for an opening, and from 11 p.m. to 8 a.m. if at least 1-hour advance notice is provided, and from November 1 through April 30 if at least 12-hours notice is given.

(d) The draw of the Canadian National Railroad Bridge, mile 1.56, shall open on signal; except from November 1 through April 30 if at least 12-hours advance notice is given.

[USCG-2017-1047, 83 FR 10619, Mar. 12, 2018]