North Dakota Oversize Permits: Complete Guide
North Dakota Oversize Permits: Full Guide for Haulers
North Dakota’s wide-open highways and energy-driven economy make it a common route for oversize freight. But whether you're hauling wind turbines, oilfield equipment, or agricultural machinery, a valid oversize permit from the North Dakota Department of Transportation (NDDOT) is required. In this post, we walk through size limits, travel rules, and how OSOWPermits.com can help you stay compliant. For some moves, trip and fuel permits are required alongside your oversize authorization.
Legal Dimensions
- Width
- 8.5 feet
- Height
- 14'0"
- Length
- 75' (combo)
Weight Limits
- Gross
- 80,000 lb (bridge formula applies)
- Per Axle Notes
- Steer axle 20,000 lb; tandem 34,000 lb
Example Scenario
Frequently Asked Questions
Do I need a pilot car in rural areas?
Yes, escort requirements apply statewide, regardless of population density.
Can I haul multiple loads on a single permit?
Only if the configuration remains consistent with what's listed on the permit.
Can I use an annual permit?
North Dakota does offer annual permits for certain routes and vehicle types.