North Dakota oversize load rules
Legal limits, pilot car requirements, travel restrictions, superload thresholds and permit fees for oversize and overweight loads in North Dakota.
Legal limits without a permit
| Width | 8′6″ |
|---|---|
| Height | 14′ |
| Length | 50′ single unit · 53′ semitrailer · 75′ combinations on non-designated highways (95′ or 110′ on four-lane divided and designated routes) |
| Weight | 80,000 lb on Interstate (bridge formula); 105,500 lb on state highways unless posted |
What Pro adds for North Dakota
- 5 escort rules with counts by width, height, length and road type
- 4 travel restrictions: curfews, night, weekends, holidays
- Superload thresholds and conditions
- 4 published fee lines and permit lead time
- Lane routing with miles per state and a cost breakdown
Escort (pilot car) requirements
- 5 width, height and length thresholds with the escort count for each
- Police escort triggers
- Overhang and route-type conditions
Travel restrictions
- 4 restrictions: curfews, night travel, weekends and holidays
- Which ones apply to a given load size
Superloads
- Exact thresholds and what the state requires past them
- Lead times, route surveys and police escort conditions
Permit fees
- 4 published fee lines with links to the fee schedule
- Validity periods and add-on charges
Common questions
When does North Dakota require pilot cars?
Answer available to members. Start free or sign in.
Can oversize loads travel at night in North Dakota?
Answer available to members. Start free or sign in.
How much is a North Dakota oversize permit?
Answer available to members. Start free or sign in.
Sources
- NDHP Policy 9-6, Permits for Oversize and Overweight Vehicles and/or Loads
- NDHP Policy 9-1, Vehicle Legal Size and Weight Guide
- NDHP E-Permits
Planning reference. Permits carry their own conditions, and city and county roads have separate rules. Confirm with the North Dakota Highway Patrol Motor Carrier Division, Permit Office (Bismarck) before moving a load. Found an error? Report it.
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