Arkansas River Lock Work Adds Grain Shipping Timing Concerns

The temporary closures come as grain traffic on the Arkansas River continues running ahead of recent years.

Robert S Kerr Dam, US Army Corps of Engineers, Sallisaw, OK. Hydroelectric power generation._Photo by Tamara Harding_AdobeStock_436857547.jpg

Sunset over the Robert S. Kerr Dam in Sallisaw, Okla. (2026)

Photo by Tamara Harding via Adobe Stock

NASHVILLE, TN (RFD NEWS) — Grain shippers using the Arkansas River will need to plan around partial lock closures this summer.

The U.S. Army Corps of Engineers says six locks on the McClellan-Kerr Arkansas River Navigation System will be affected from June 15 through September 30.

The locks, spanning from Fort Smith to Little Rock, will close daily from 7 a.m. to 7 p.m. and reopen overnight, with a 70-foot width restriction for barge tows.

The timing matters for the movement of wheat, soybeans, and corn. In 2025, 1.4 million tons of grain moved through Norell Lock and Dam 1 at the mouth of the Arkansas River, led by wheat and soybeans.

Through the first 19 weeks of 2026, grain movement through that lock reached 583,000 tons, the strongest pace for that period since 2022.

Meanwhile, Milwaukee’s expanded ag export facility adds more capacity for DDGS, soybeans, and soybean meal through the Great Lakes-St. Lawrence system.

Farm-Level Takeaway: River construction could slow some grain logistics, while new export capacity adds another outlet for Upper Midwest products.
Tony St. James, RFD News Markets Specialist
Related Stories
StoneX Director of Fertilizer, Josh Linville, joins us to discuss fertilizer market trends and risk management strategies to navigate an uncertain farm economy and fluctuating agricultural input costs.
Panama matters to agriculture as both a freight corridor and a potential future market for U.S. ethanol.
Ethanol and feed coproduct exports remain strong outlets for corn demand, even after April’s pullback.
Dr. Stephanie Mercier, Senior Policy Adviser for the Farm Journal Foundation, discusses USDA’s New World Screwworm eradication, sterile fly production, trade restrictions, biosecurity, and the path ahead for U.S. cattle producers.
Farm groups urged lawmakers to maintain free and fair trade across North America.

Tony St. James joined the RFD-TV talent team in August 2024, bringing a wealth of experience and a fresh perspective to RFD-TV and Rural Radio Channel 147 Sirius XM. In addition to his role as Market Specialist (collaborating with Scott “The Cow Guy” Shellady to provide radio and TV audiences with the latest updates on ag commodity markets), he hosts “Rural America Live” and serves as talent for trade shows.

LATEST STORIES BY THIS AUTHOR:

Producers using farm entities should review ownership, labor contributions, and FSA paperwork before September 15.
Trade estimates point to only modest changes in U.S. grain ending stocks ahead of USDA’s June 11 WASDE report.
Farmers may need flexible marketing plans as tighter supplies and uncertain demand heighten price risks for corn and soybeans.
Global fiber demand is growing, but cotton producers benefit only when cotton gains value and competes for market share.
USDA raised exports by $2.5 billion from February, while imports are forecast at $205.5 billion. The resulting $29 billion agricultural trade deficit remains a reminder that higher shipments alone do not resolve trade pressure.
Corn is the clear export leader heading into summer.