NOTICE TO MARINERS
UPPER MISSISSIPPI RIVER BASIN
SECTION I - SPECIAL NOTICES
This section contains information of special concern to the Mariner.
UPPER MISSISSIPPI RIVER - OHIO RIVER - CHANNEL CONDITIONS/SAFETY ADVISORY
Extreme high-water conditions exist on the Upper Mississippi River, between approximate Miles 5.0 and 0.0 and on the Ohio River, between approximate Miles 960.0 and 976.0. 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.
SECTION VII – GENERAL
This section contains information of general concern to the Mariners. Mariners are advised to use caution while transiting these areas.
MILE 305.3 - CHANNEL CONDITION
Shoaling has been reported in the vicinity of Mile 305.3. Mariners are urged to exercise caution in the area.
MILE 183.2 - BRIDGE REMOVAL – UPDATE
Merchants Railroad Bridge; To float-in the new center span, a 12-hour blockage of the main navigation span will be required starting at 6:00 a.m., March 3, 2022, with up to a 24-hour closure of the middle span.