TREMPEALEAU, Wis. — As even causal river-watchers know, commercial dockage at the Winona port was way low this past season. The Army Corps, which operatesUpper Mississippi dams and locks, now has released the data. Only 1,514 barges locked through the Trempealeau dam, just downriver from Winona, in 2925. That was off 22% from the10-year average. The drop was due primarily to lost grain export markets caused by President Trump’s global trade war. Comparative data for Lock and Dam 6 at Trempealeau:
> 2025: 8 million tons cargo.
> 2024: 8.6 million tons.