Notice to Navigators: Upper Mississippi River

NOTICE TO MARINERS
UPPER MISSISSIPPI RIVER BASIN

LNM 07-22

 

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; To facilitate removal of the center span of the Merchants Railroad Bridge, blockage of the main navigation channel is required. A 10-hour blockage of the main navigation channel is scheduled to start at 6:00 a.m., February 24, 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 25, 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.