---
kind: "section"
citation: "33 C.F.R. § 117.671"
title: "33"
number: "117.671"
heading: "Upper Mississippi River."
url: "https://uscodex.org/cfr/33/117.671"
---

# §117.671. Upper Mississippi River.

- (a) **The draws of all bridges between Lock and Dam No.** 14, mile 493.3, and Lock and Dam No. 2, mile 815.2, shall open on signal; except that, from on or about December 15 through the last day of February, the draws shall open on signal if at least 24 hours notice is given.
- (b) **The draws of all bridges between Lock and Dam No.** 2, mile 815.2 and Lock and Dam No. 1, mile 847.6, shall open on signal; except that, from on or about December 15 through the last day of February, the draws shall open on signal if at least 12 hours notice is given.

## Notes

### Amendments

[USCG-2016-0561, 82 FR 55322, Nov. 21, 2017]

### Authority

Authority: 33 U.S.C. 499; 33 CFR 1.05-1; and DHS Delegation No. 00170.1, Revision No. 01.4.

### Source

Source: CGD 82-025, 49 FR 17452, Apr. 24, 1984, unless otherwise noted.

### Amendments

[USCG-2016-0561, 82 FR 55322, Nov. 21, 2017]