South Dakota Oversize and Overweight Permits

Here are the maximum load sizes in South Dakota before a permit is required:

When Are Pilot Cars or Escort Vehicles Required in South Dakota?

Pilot Car and Escort Vehicle Requirements in South Dakota:

Length: For loads between 75' and 95' on a 2-lane road, you will need one rear pilot car (escort).
Width:
- 10' 6" to 12' wide on a 2-lane road requires 1 front pilot car.
- On a 4-lane road, loads up to 12' wide require no escorts.
- Loads 12' 1" to 14' wide require 1 front and 1 rear pilot car (escort) on all 2-lane roads, and 1 rear pilot car on 4-lane roads.
- For loads 14' 1" to 15' wide, 1 front and 1 rear pilot car (escort) is required.
- For loads 15' 1" to 16' wide on 2-lane roads, 2 front pilot cars (escorts) and 1 rear pilot car (escort) are required. On 4-lane roads, 1 front and 2 rear pilot cars (escorts) are needed.
- For weekend travel, a police escort will be required. Districts and parkways may also need additional escorts.
- Loads over 14' wide cannot travel on Fridays except on parkways, where the maximum width is 16'. A police escort is required for widths exceeding 15' on the Parkway.
Height: If the load exceeds 15', a front high-pole card is required. Check the state's list of bridge heights for vertical clearance details.
Weight: Contact the State to determine if your weight class requires a pilot car/escort.
Overhang:
- For front overhangs exceeding 10' on 2 or 4-lane roads, 1 front pilot car (escort) is required.
- If the rear overhang exceeds 10' on a 2 or 4-lane road, one rear escort is needed.

How Much Do Trucking Permits Cost in South Dakota?

Permit Fees in South Dakota:

Single Trip Oversize and Overweight Permit: $25, or $200 for a book of 10. An additional overweight fee of $0.02 per ton-mile applies if the motor vehicle exceeds the following weight thresholds:
- 40,000 lbs on two axles
- 60,000 lbs on three axles
- 80,000 lbs on four axles
- 85,000 lbs on five axles
- 90,000 lbs on six axles
- 95,000 lbs or more on seven axles
Annual Oversize Permit: $60
Longer Combination Vehicle Permit: $100 for a book of 10 permits
Overweight Booster Axle Permit: $60
Annual Lift Axle or Variable Load Axle Permit: $60 (Not valid for use on Interstate Highways)
Annual Manufactured Home Permit: $60
Manufactured Home Single Trip Permit: $25
Slow Movement on Interstate Highway Single Trip Permit: $20
Annual Slow Movement on Interstate Highway Permit: $60
Oversized Trailer Annual Permit: $60
Overlength Semi-Trailer Single Trip Permit: $25
Annual Overlength Semi-Trailer Permit: $60

South Dakota Oversize and Overweight Permit Limits

In South Dakota, the maximum weight and dimensions for a load, even with a permit, are as follows:

Check the pilot car requirements for South Dakota