Notice to Navigators: Upper Mississippi River

NOTICE TO MARINERS
Upper Mississippi River

LNM 10-22

 

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 Extreme high water conditions exist on the Upper Mississippi River, between approximate Miles 5.0 and 0.0, on the Lower Mississippi River, between approximate Miles 953.0 and 939.0, and on the Ohio River, between approximate Miles 970.0 and 981.0.  The COTP Ohio Valley has issued a Safety Advisory, recommending vessels not meet, pass or overtake in these areas.  Down-bound tows should consider tow width and red flag barges should be placed in a protected location in the tow.  While the overall river stage is decreasing, drift and debris may pose navigation obstructions and may drag buoys off station.  It is recommended that all vessels avoid laying up on levees and assess bridge clearance in advance.  This Safety Advisory will remain in effect until river stages subside, by falling below 39 feet on the Cairo Gauge.  Mariners should report navigation obstructions immediately to the U.S. Coast Guard via VHF-FM Channel 16.

 

UPPER MISSISSIPPI RIVER - AIDS TO NAVIGATION Numerous can and nun buoys have been reported not properly marking the channel or missing between approximate Miles 410.6 and 110.8.  Mariners may visit the U.S. Coast Guard Western Rivers Homeport Page at: https://homeport.uscg.mil/Lists/Content/DispForm.aspx?ID=76986&Source=/Lists/Content/DispForm.aspx?ID=76986 and view MSIB 03-22, Upper Mississippi River, buoy advisory.  Mariners are urged to exercise caution in the area.

 

SECTION VII – GENERAL

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

 

UPPER MISSISSIPPI RIVER

MILE 172.0 - OVERHEAD HIGH WIRE OPERATIONS/INTERMITTENT RIVER CLOSURES

Continuing until April 18, 2022, from 9:00 a.m. until 2:00 p.m., each day, Ameren Electrical Contractors are conducting high wire work and conductor removal/replacement operations in the vicinity of Mile 172.0.  Intermittent river closures are necessary to facilitate this operation.  During these closures, no vessels will be allowed to transit the area.  Mariners may contact the project general foreman at (276) 613-0629, for additional information.

 

MILE 14.2 - MILE 11.3 - CHANNEL CONDITION/SAFETY ADVISORY – UPDATE

High water conditions have lessened.  The COTP Safety Advisory has been cancelled.