Iowa Governor Kim Reynolds signed a proclamation Thursday allowing overweight vehicles to haul agricultural goods on state highways through October 10, 2026.
The proclamation, effective immediately, covers vehicles transporting corn, soybeans, hay, straw, silage, stover, fertilizer (dry, liquid and gas) and manure (dry and liquid). Such vehicles may exceed weight limits without a permit, up to 90,000 pounds gross weight.
The order applies to loads on all highways within Iowa except the interstate system. Loads must not exceed 90,000 pounds gross weight, must not exceed the non-primary highway maximum gross weight table limits in Iowa Code ยง 321.463 (6) (a)-(b) by more than 12.5 percent, must not exceed the legal maximum axle weight limit of 20,000 pounds, and must comply with posted limits on roads and bridges.