33 CFR § 117.59 - Special requirements due to hazards.

---
identifier: "/us/cfr/t33/s117.59"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "33 CFR § 117.59 - Special requirements due to hazards."
title_number: 33
title_name: "Navigation and Navigable Waters"
section_number: "117.59"
section_name: "Special requirements due to hazards."
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"
---


# 117.59 Special requirements due to hazards.

For the duration of occurrences hazardous to safety or navigation, such as floods, freshets, and damage to the bridge or fender system, the District Commander may require the owner of an operational drawbridge listed in this subpart to have the bridge attended full time and open on signal.