Notice to Navigators: Upper Mississippi River

Update - RIAC: Merchants Bridge Closure 4MAR  UM183


The main channel navigation span remains open, there will be no further closures there.


The new middle span is being raised now. Assuming no malfunctions, the middle span should be available for navigation 2000 to 2200 hrs. tonight.


Bernie Heroff
Port Captain Navigation/Training
ARTCo – Ag Services and Oilseeds
American River Transportation Co., LLC
P.O. Box 2889
Saint Louis, MO 63111
t 314 481 8828 / m 314 803 4644