Notice to Navigators: Upper Mississippi River

NOTICE TO MARINERS
UPPER MISSISSIPPI RIVER BASIN

LNM 08-22

 

SECTION I - SPECIAL NOTICES

This section contains information of special concern to the Mariner.

 

UPPER MISSISSIPPI RIVER - CHANNEL CONDITION/COTP SAFETY ADVISORY

The following zones are in the low water watch phase IAW the Western Rivers WAP Annex:

  • Zone 28 (Mile 185.4 – Mile 160.1) and
  • Zone 29 (Mile 160.0 – Mile 101.9).

Mariners should exercise caution, beware of shifting channels, transit at their slowest safe speed to minimize their wake near fleeting areas and place heavy barges in the middle of their tows. Deep draft tows are advised to depart these areas. Mariners are urged to exercise caution in these areas and contact U.S. Coast Guard Sector Upper Mississippi River via VHF-FM Channel 16 or at (314) 269-2332 or e-mail at sumrwaterways@uscg.mil, to report shoaling, hazardous conditions or missing aids to navigation.

 

SECTION VI - PROPOSED CHANGES

Periodically, the Coast Guard evaluates its system of aids to navigation to determine whether the conditions for which the aids to navigation were established have changed. When changes occur, the feasibility of improving, relocating, replacing, or discontinuing aids are considered. This section contains notice(s) of non-approved, proposed projects open for comment. SPECIAL NOTE: Mariners are requested to respond in writing to the District office unless otherwise noted (see banner page for address).

 

UPPER MISSISSIPPI RIVER

The Coast Guard is proposing the following Aid to Navigation Change: Change Arnold Towhead Light (LLNR-14385) at mile 543.2, Left Descending Bank, in approximate position 42-09-26.489N/090-12-50.124W, showing Fl (2)R 5s, to Arnold Towhead Daybeacon (LLNR-14385) TR upstream, TR downstream on tree. Comments will be taken until April 22, 2022. Please email comments regarding this proposal to: D08-SMB-District-LocalNoticeFeedback@uscg.mil.

 

UPPER MISSISSIPPI RIVER

The Coast Guard is proposing the following Aid to Navigation Change: Discontinue Sabula Lower Light (LLNR-14445) at mile 533.6, Right Descending Bank, in approximate position 42-02-34.260N/090-10-02.383W. Comments will be taken until April 22, 2022. Please email comments regarding this proposal to: D08-SMB-District-LocalNoticeFeedback@uscg.mil.

 

SECTION VII – GENERAL

This section contains information of general concern to the Mariners. Mariners are advised to use caution while transiting these areas.

 

MILE 183.2 - BRIDGE REMOVAL – UPDATE

Merchants Railroad Bridge; Weather issues have postponed the dates for the center span float out/in of the Merchants Railroad Bridge. A 10-hour blockage of the main navigation channel is now scheduled to start at 6:00 a.m., February 26, 2022, for this evolution with up to a 24-hour closure of the middle span. To float-in the new center span, another 12-hour blockage of the main navigation span will be required starting at 6:00 a.m., February 28, 2022, with up to a 24-hour closure of the middle span. These dates are dependent upon weather and river conditions encountered between now and the dates noted.