Governor Kim Reynolds has signed a proclamation related to the weight limits and transportation of grain, fertilizer, and manure. The proclamation is extended through November 7, 2026.
The proclamation allows vehicles transporting corn, soybeans, hay, straw, silage, stover, fertilizer (dry, liquid, and gas), and manure (dry and liquid) to be overweight (not exceeding 90,000 pounds gross weight) without a permit for the duration of this proclamation.
Source : iowa.gov