Notice to Navigators: Lower Mississippi River

NOTICE TO MARINERS
L
OWER MISSISSIPPI RIVER

LNM 40-21

 

SECTION I - SPECIAL NOTICES

This section contains information of special concern to the Mariner

 

LA - MISSISSIPPI RIVER - Old River Lock – UPDATE

Continuing until approximately February 28, 2022, due to repairs on the Lock Emergency Bulkhead Lowering Carriage, and the procedures contained in this bulletin, tows entering the Lock are urged to use extreme caution while approaching and entering the lock chamber. While approaching the Lock, the following are required for passage:

  1. Tows are to enter the Lock at DEAD SLOW speed.
  2. All tows are restricted to no longer than 1,100 feet in length.
  3. All tows will line up along the floating guidewall before proceeding.
  4. Two line-handlers with life vests and bumpers will be required on both approach and exiting of the Lock.
  5. Vessels must be moored by bow and stern lines to floating timberheads.

Again, use extreme caution when locking through Old River Lock. The Lockmaster, Anthony T. Lindsly, can be reached at (225) 492-3333, for up[1]to-date information. The point of contact with the USACE New Orleans District is Russell Beauvais, at (225) 492-2169.

 

LOWER MISSISSIPPI RIVER - CHANNEL CONDITION/SAFETY ADVISORY

The COTP Lower Mississippi River has issued a low water Safety Advisory between approximate Miles 869.0 and 725.5, due to the Memphis Gauge reaching 5 feet. The USACE maintained depths and widths, may not be attainable on all buoy lines. Mariners are advised to monitor all gauge readings for safe navigation. Mariners are requested to contact U.S. Coast Guard Sector Western Rivers Command Center via VHF-FM Channel 16 or at (866) 777-2784, to report areas of shoaling, hazardous conditions or missing aids to navigation.

 

SECTION VII – GENERAL

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

 

LA - MISSISSIPPI RIVER, MILE 12.05, AHOP - MILE 82.7, AHOP – Anchorages

In accordance with 33 Cude of Federal Regulations 110.195 (b), the following temporary anchorages are being established only as emergency anchorages to alleviate vessel congestion and plan for use during High Water and Fog Conditions. No vessel shall occupy these temporary anchorage areas unless expressly authorized by Vessel Traffic Service New Orleans. With the exception of Phoenix Anchorage, the following existing anchorages are being temporarily extended to include the below mile markers only. Existing descending banks and widths, as outlined in 33 CFR 195 remain unchanged.

Boothville Anchorage:
An area, 0.95 miles in length, from Mile 12.05, AHOP – Mile 13.0, AHOP.

Point Michel Anchorage:
An area, 0.8 miles in length, from Mile 40.0, AHOP – Mile 40.8, AHOP.

Magnolia Anchorage:
An area, 0.1 miles in length, from Mile 45.4, AHOP – Mile 45.5, AHOP.

Davant Anchorage:
An area, 1.4 miles in length from Mile 52.5, AHOP – Mile 53.9, AHOP. Lower 9 Miles

Point Anchorage:
An area, 0.1 miles in length, from Mile 82.6, AHOP – Mile 82.7, AHOP.

Phoenix Anchorage: An area, 0.6 miles in length, along the LDB, of the Lower Mississippi River, extending from Mile 57.82, AHOP to Mile 58.42, AHOP.

The width of the anchorage is 400 feet. The inner boundary of the anchorage is a line parallel to the nearest bank 400 feet from the water’s edge into the river as measured from the Low Water Reference Plane. The outer boundary of the anchorage is a line parallel to the nearest bank 800 feet from the water’s edge into the river as measured from the Low Water Reference Plane.

 

LA - MISSISSIPPI RIVER, MILE 58.0, AHOP TO MILE 156.5, AHOP - Submerged Obstructions/Virtual Automated Identification System Aids to Navigation – UPDATE

For the safety of Maritime Traffic the U.S. Coast Guard has temporarily established Virtual Automated Identification System Aids to Navigation over the following USACE identified obstructions throughout the Mississippi River, AHOP.

  1. Mississippi River Wreck VAIS 114WR (LLNR-14117) Mile 114.0, LDB, AHOP, approximate position 29-58-24.7N 090-15-54.5W, Starboard Lateral IALA B virtual aid.
  2. Mississippi River Wreck VAIS 134WR (LLNR-14402) Mile 133.5, LDB, AHOP, approximate position 30-03-15.0N 090-29-18.9W, Starboard Lateral IALA B virtual aid.

The following identified obstructions have been reportedly salvaged:

  1. Mississippi River Wreck VAIS 58WR (LLNR-13457) Mile 58.0, LDB, AHOP, approximate position 29-38-11.1N 089-55-36.9W
  2. Mississippi River Wreck VAIS 126WR (LLNR-14302) Mile 125.5, LDB, AHOP, approximate position 29-59-25.8N 090-24-16.5W.
  3. Mississippi River Wreck VAIS 137WR (LLNR-14452) Mile 137.0, RDB, AHOP, approximate position 30-02-42.3N 090-32-16.5W.
  4. Mississippi River Wreck VAIS 157WR (LLNR-14692) Mile 156.5, RDB, AHOP, approximate position 29-58-45.3N 090-49-23.4W.
  5. Mississippi River Wreck VAIS 138WR (LLNR-14469) Mile 138.0, LDB, AHOP, approximate position 30-03-10.3N 090-33-32.1W.

 

LA - MISSISSIPPI RIVER - MILE 125.0, AHOP, RDB - Dredge Operation

Continuing through October 30, 2021, dredging operations are being conducted along the Lower Mississippi River, at the Byron Talbot’s Hahnville Pit, near Mile 125.0, AHOP, RDB. The Dredge W.B. WOOD and Tender MR. KELLY, will monitor VHF-FM Channel 67 and 71. Mariners are urged to transit the area at their slowest safe speed to minimize wake and exercise caution when transiting the area. The point of contact is Brandon Taylor, at (985) 502-9200 or emergency after hours, at (504) 920-1561.

 

MILE 736.0 - DREDGE OPERATION

Continuing until approximately October 14, 2021, the Dredge IOWA is conducting dredging operation in the vicinity of Mile 736.0, LDB. The Dredge IOWA will monitor VHF-FM Channel 16. Mariners are urged to transit the area at their slowest safe speed to minimize their wake and proceed with caution.

 

MILE 684.0 - MILE 663.0 - ROCK PLACEMENT OPERATIONS

Continuing until approximately December 15, 2021, the USACE Contract Vessel, M/V KACIE LUHR will be conducting rock placement operations in the vicinity of Mile 671.0. Work will be conducted from 7:00 a.m. until 6:00 p.m., each day. Mariners transiting the area are requested to contact the M/V KACIE LUHR to make passing arrangements at the following locations:

  • Down-bound at Mile 684.0 and
  • Up-bound at Mile 663.0.

Mariners transiting this area are requested to not meet, pass, or overtake and transit the area at their slowest safe speed to minimize their wake. South-bound tows larger than 30 barges, may be restricted during working hours. The M/V KACIE LUHR will monitor VHF-FM Channel 13 or 72 or at (573) 803-7931.

 

MILE 304.0 - L/D RESTRICTIONS – UPDATE

Continuing until approximately March 1, 2022, tows are to enter theOld River L/D, lock wall at a DEAD SLOW speed, tows will be restricted to a length no more than 1,100 feet and will line up along the floating guidewall before proceeding into the lock’s chamber. Two line-handlers (with life vests) and bumpers are required when approaching and exiting the lock. Vessels must be moored by the bow and stern to the floating timberheads. The Lockmaster, Mr. Anthony T. Lindsly can be reached at (225) 492-3333, for up-to-date information. The point of contact at the USACE New Orleans Office is Russell Beauvais at (225) 492-2169.