Bulletin
The fall harvest proclamation is in effect through Feb 6, 2025. 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. It applies to loads transported on all highways within Iowa (excluding the interstate system) and those which do not exceed a maximum of 90,000 pounds gross weight, do not exceed the maximum axle weight limit determined under the non-primary highway maximum gross weight table in Iowa Code § 321.463 (6) (b), by more than 12.5 percent, do not exceed the legal maximum axle weight limit of 20,000 pounds, and comply with posted limits on roads and bridges. Please wait 24 hours after submitting your permit before calling in to our service team. If you have questions or need help, please contact us at Oversizepermits@iowadot.us or call us at 515-237-3264. All Systems Overweight Permit application ($500) allows travel on designated counties and local roads.