South Dakota Oversize Permit: Rules & Requirements
How to Get an Oversize Permit in South Dakota: Regulations, Travel Hours & Escort Needs
South Dakota’s wide-open highways make it a major route for agricultural equipment, wind turbine components, and other large freight. But when your load exceeds legal dimensions, you’ll need a valid South Dakota oversize permit to stay compliant. This guide covers the essential rules, from legal size limits to escort requirements, so you can move safely and avoid costly fines. Be sure to check if trip and fuel permits are needed for your haul, especially if you’re crossing state lines.
Legal Dimensions
- Width
- 8.5 feet
- Height
- 14'0"
- Length
- 53' (single) / 75' (combo)
Weight Limits
- Gross
- 80,000 lb (bridge formula applies)
- Per Axle Notes
- Seasonal/posted road and axle limits may apply
Example Scenario
Frequently Asked Questions
Can I travel with an oversize load at night in South Dakota?
Generally, oversize loads are restricted to daylight hours unless your permit specifically authorizes night travel.
Do I need an escort vehicle in South Dakota?
Yes. Escorts are required for loads exceeding certain widths, lengths, or heights. The exact thresholds will be noted on your permit.
Does South Dakota offer annual oversize permits?
Yes, for certain non-divisible loads and equipment. These permits may have route and dimension restrictions.