
The Illinois Waterway consolidated lock closures began July 1, 2020 and will last at least three months, with Starved Rock lock gates being replaced. Shippers must use more expensive transport modes until the river reopens.
A USDA-backed study also found congestion and wait times raise transport costs and reduce producer revenue.
Barge disruption on the Illinois River raises freight costs and widens basis at inland elevators, which lowers farm-gate corn and soybean prices while lifting barge freight rates.
Not enough comparable past events yet for a historical read.
After 359 past bearish logistics events, Corn moved a median -0.3% over 5 sessions (44% higher; middle half -1.5% to +1.5%), and -0.5% over 20.
After 297 past bearish logistics events, Soybeans moved a median +0.3% over 5 sessions (54% higher; middle half -1.5% to +1.8%), and +0.7% over 20.
Moves of each commodity's benchmark from the last close before the event. Historical reads pool past events of the same kind; they describe what happened, not what will. Not investment advice.