Iowa oversize permit office
Iowa Department of Transportation, Motor Vehicle Division, Office of Vehicle & Motor Carrier Services - Oversize/Overweight Permits. Call 515-237-3264, Monday, Tuesday, Thursday and Friday 8:30 a.m. to 4:30 p.m.; Wednesday 8:30 a.m. to noon Central time.
From Iowa's own pages, checked 2026-10-24. Fees and rules change: the state's page is the last word.
- Apply online
- Iowa DOT online permits serviceSource
- How to get one
- Apply online at ia.gotpermits.com, by mail or fax, at the Ankeny permit counter by appointment, or through a permit service.
- Single trip fee
- Single trip: $35.00 (round trip $70.00); single trip overweight permits may have a ton fee (effective Oct. 27, 2025, HF 979).Source
- Legal without a permit
- Width 8 feet 6 inches · Height 13 feet 6 inches · Length 45-foot single vehicle; 53-foot trailer, loaded or empty · Weight 80,000 lbs. gross; 20,000 lbs. single axleSource
- How fast
- Average turnaround is about four hours, and many permits are issued instantly by the system; superloads that need extra review take longer.Source
When you can move
- Daylight
- Moves are allowed from 1/2 hour before sunrise to 1/2 hour after sunset, only when roads are clear of ice and snow and you can see at least 1/4 mile, unless the permit office sets other hours.Source
- At night
- Night moves are allowed if the load is no more than 12 ft wide, 14 ft 6 in high and 100 ft long, at legal axle weights, on roads at least 22 ft wide with 11 ft lanes, with red lamps at the rear corners and amber lamps at the front corners of the load.
- Holidays
- Memorial Day, Independence Day, Labor Day. No moves from noon the day before until 1/2 hour before sunrise the day after; when the holiday falls on Friday, Saturday, Sunday or Monday the whole holiday weekend is closed. Moves are also barred during special events with heavy traffic. Next datesSource