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The Army Corps of Engineers replaced the 89-year-old miter gates at Lock and Dam 9 on the upper Mississippi in four 12-hour closures, using a 500-ton floating crane. Each replacement leaf measures up to 33 feet tall and 61.5 feet long.
Lock 9 handled 1,478 commercial lockages in 2025, below its 10-year average of 1,830, and moved about 8.6 million tons of cargo.
Scheduled lock closures temporarily interrupt barge movements on a key grain export corridor, which can briefly tighten barge capacity and raise freight costs for shipped corn and soybeans. The work is planned maintenance, so the price effect should be small and short-lived.
autonocion.comNov 15, 2026Not enough comparable past events yet for a historical read.
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.
