Notice to Navigators: Upper Mississippi River
NOTICE TO MARINERS
UPPER MISSISSIPPI RIVER BASIN
LNM 12-22
SECTION I - SPECIAL NOTICES
This section contains information of special concern to the Mariner.
UPPER MISSISSIPPI RIVER - LOWER MISSISSIPPI RIVER - OHIO RIVER - CHANNEL CONDITIONS/SAFETY ADVISORY – UPDATE
Conditions have lessened, the COTP Safety Advisory has been cancelled.
SECTION VII – GENERAL
This section contains information of general concern to the Mariners. Mariners are advised to use caution while transiting these areas.
MILE 698.0 - CONSTRUCTION OPERATION
Continuing until approximately June 17, 2022, the J.F. Brennan Company Inc., is conducting construction operations in the vicinity of Mile 698.0, LDB, between the La Crosse Queen Dock and the Riverside Park. A 32-foot by 80-foot material barge will extend approximately 100 feet from the bank. Mariners may contact the project superintendent at (608) 799-2186, for additional information. Mariners are urged to transit the area with caution.
MILE 490.0 - MILE 489.0 - DREDGE OPERATION
Commencing March 28, 2022 and continuing until April 6, 2022, Newt Marine Service is supporting drilling operations in the vicinity of Miles 489.0 and 490.0. The contractors floating plant will consist of the M/V SHAWONDASSE, and sectional barges with a drilling rig. The floating plant is operating close to the channel line. The M/V SHAWONDASSE will monitor VHF-FM Channel 13, 14 or 16, for passing instructions. Mariners are urged to transit the area at their slowest safe speed to minimize their wake and proceed with caution.
MILE 364.2 - L/D CLOSURES – UPDATE
On March 23, 24, 29 and 30, 2022, from 7:00 a.m. until 1:00 p.m., each day, L/D 19, in the vicinity of Mile 364.2, will be closed to navigation for repairs. During these closures, mariners are requested NOT to tie up along the guidewalls. Mariners may contact the L/D via VHF-FM Channel 14 or at (319) 524-2631, for additional information.
MILE 305.2 - MILE 304.9 - DREDGE OPERATION – UPDATE
Mechanical dredging operations have been completed in the vicinity of Harris Island, Miles 305.2 - 304.9.
MILE 289.41 - CHANNEL CONDITION
Shoaling has been reported in the vicinity of Mile 289.41. Mariners are urged to transit the area with caution.