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
USDA says both crops remain ahead of the five-year average as farmers continue monitoring dry Corn Belt conditions.
RealAg Radio’s Shaun Haney joins us to discuss Canadian farmer sentiment, saying many are also struggling with profitability and long-term outlook in agriculture.
USMEF President and CEO Dan Halstrom joins us to discuss China’s renewed access for U.S. beef facilities, the outlook for exports, and key conversations taking place at this week’s Spring Conference.
Strong rail and ocean demand support grain movement, but weak barge traffic and high diesel costs keep freight pressure elevated.
Corn exports remained active the week of May 7, but weak soybean, cotton, and sorghum sales kept attention on China and late-year demand.
USDA officials are increasing surveillance and sterile fly dispersal efforts as New World screwworm cases continue growing in Mexico near the Texas border.

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:

Industry leaders say restored access is a major step forward, though exports remain well below previous levels.
Texas A&M economist John Robinson says speculative buying helped push ICE cotton futures sharply higher.
Changes to several Risk Management Agency programs are set to begin with the 2027 crop year.
For farmers, better data may not solve every local rail problem, but it can make service failures easier to document.
Smaller exporter crops and lower global stocks could keep wheat markets sensitive to weather, trade, and shifts in demand.
Corn inspections remain strong year-to-date, while China’s soybean and sorghum movement remains important to late-season export demand.