Grain and fertilizer shipments on the Mississippi River could come to a standstill in the thick of harvest after rainfall in the upper Midwest flows south.

 

According to the Army Corps of Engineers, four locks may close temporarily on the river, preventing grain shipments from moving south.

 

The locks are 16 in Muscatine, Ia.; 17 in New Boston, Ill.; 18 in Burlington, Ia.; and 20 in Canton, Mo.

 

The Corps anticipates shutting down traffic on Saturday or Sunday, depending on the flooding crest. The locks would be out of operation for “a coupe days.”

 

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