Secure Your South Carolina Oversize Permits Today – Call Now!
South Carolina DOT Phone no.# (270) 908-9656
South Carolina Overweight & Oversize Trucking Permits for Single Trip, Fuel, Overhang and Annual Permits
South Carolina Oversize permits validity, South Carolina Legal Dimensions, Routine Permits requirements, Escort/Pilot car information & South Carolina oversize rules and Regulation all your needs
South Carolina Oversize Permits Validity: These permits are valid for Seven-days. Before entering with a heavy haul, it is necessary to secure permits.
South Carolina Operating Time: Travel is allowed from half an hour after dawn to half an hour before sunset, Monday through Saturday. Sundays are off limits for travel. Loads weighing more than 130,000 pounds can go continuously as long as they follow the flow of traffic. However, load weighing more than 130,000 pounds are only permitted to travel on Monday through Friday.
South Carolina Travel Restriction: Loads ranging from 12 to 15 feet wide are not permitted to drive on state highways in major urban areas between 7:00 AM and 9:00 AM or 3:00 PM and 6:00 PM.
On school days, load more than 15 feet in width must be transported between 9:00 AM and 3:00 PM.
On non-school days, loads of the same width can travel between 9:00 AM and 4:00 PM.
Travel between I-95 and the Myrtle Beach area is limited from Friday to Saturday between Memorial Day and Labor Day.
Transportation is also prohibited on important holidays and weekends.
South Carolina Legal Dimension
South Carolina Legal Length: 53 feet for semi-trailer and load cannot exceed a distance of 41 feet from the kingpin to the rear tandem axle.
South Carolina legal Overhang rule: 5 feet for overhang on 48 feet semi trailer
South Carolina Maximum Wide Load Without Permit: 8 feet 6 inches for interstate and designated routes.
South Carolina Legal Height: 13 feet 6 inches
Important: South Carolina does not permit overhang with several sections. Overhang is only allowed with a single, non-divisible load.
South Carolina Legal Weight Limit: Gross weight 80,000lbs
Single Axle 20,000lbs.
Tandem Axles 34,000lbs.
Tridem Axles 35,200lbs usually, It depend on axles distance.

South Carolina Routine Permit Limit
South Carolina maximum Length with permit: 125 feet.
Overhang rules with permit for South Carolina: 3 feet for front on trailer & 10 feet for rear on 48 feet to 53 feet semi trailer
South Carolina wide load with permit: 16 feet
South Carolina Maximum Height allowed with permit: The route determines the height restriction, hence no precise limit is imposed. However, there must be at least 6 inches of space below any above structure.
South Carolina Weight Limit:
Single Axle 20,000lbs.
Tandem Axles 40,000lbs
Tridem Axles 60,000lbs
Quad Axles 80,000lbs
5 Axles 90,000lbs
6 Axles 110,000lbs
7 Axles 130,000lbs
South Carolina Superload Permit: Loads is surpassing these dimensions are treated as superload.
South Carolina Escort / Pilot Car Requirements and Information
Escort required for Length in South Carolina: Note set
Escort Required for Overhang in South Carolina: More than 10 feet required 1 escort/pilot car
Escort Required for Width in South Carolina: More than 12 feet 1 required escort/pilot car
More than 14 feet required 1 or 2 escort/pilot car on all routes
More than 16 feet required 3 escorts/pilot cars and may require police escort
Escort Required for Height in South Carolina: Note set, but the permittee must verify and assure proper height clearance.
Signal, lights and flags requirements for oversize load In South Carolina:
Signs: Loads exceeding 12 feet wide must have “Oversize Load” signage at the front and rear.
Flags: Flags are required at each corner of the load.
Rear Overhang of 4 Feet or More: During daytime hours, a red flag must be displayed at the extreme rear.
Amber light: A spinning amber beacon or strobe light at the rear is necessary for weights ranging from 12 to 14 feet wide. For loads 14 feet to 16 feet wide, revolving amber beacons or strobe lights must be installed on both outside rear corners.
Rear Overhang of 4 Feet or More: After sunset or in low-light settings, a spinning amber beacon or strobe light must be visible in the rear.
Additional details for loads in South Carolina:
Removal of Blades and Buckets requirements in South Carolina: Farm tractors, forestry equipment, and road machinery do not require permits if the load is 12 feet wide, 13 feet 6 inches high, and weighs no more than 90,000 pounds. These vehicles may operate during daylight hours every day of the week.
South Carolina Annual Permits & Single trip (IRP) OR Fuel (IFTA) Permits:
To obtain South Carolina Single trip (IRP) OR Fuel (IFTA) and Annual Permits, the carrier must log into the state’s online permitting system, acknowledge the permit conditions, enter the vehicle and load information, select the travel dates, and provide the route details. South Carolina Oversize Permits phone number (270) 908-9656 – Get your South Carolina DOT permits by calling us.
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South Carolina Oversize Permits Cost or Fee
The cost of getting an oversize permit in South Carolina depends on the type and period of the permit, however the estimated cost is:
• South Carolina Oversize Permit Fees
o Single trip permit costs $30.
Excessive width (above 16 feet): $35
Excessive Width (above 18 feet): $40
Excessive width (above 20 feet): $45
Excessive width (more than 22 feet): $50
• SC Multiple Trip Permit Fees
Annual Multiple Trip Permit: $100
Administration Fee for Prorating Active Annual Permits: $10
Special Permits
House Moving License (Annual): $100
Superload Application Fee (Non-Refundable): $100
Superload Engineering Analysis (over 130,000 lbs): $100
Superload Engineering Analysis (over 200,000 lbs): $200
Superload Engineering Analysis (over 300,000 lbs): $350
Superload Impact Fee (for all loads over 130,000 lbs): $3 per 1,000 lbs
• Additional fees
Administrative Fee for Road Machinery Permits: $10 per Megaload Impact Fee (for loads exceeding 500,000 pounds on the total gross truck weight): $0.05 per 1,000 pounds per mile.
Credit Card Processing Fee: $5.
(Imprortant: This is not a SCDOT cost. The credit card processor charges a convenience fee for each transaction done with a credit card.
Permits can be obtained calling by us at (270) 908-9656 Oversize Permit Office.
South Carolina Overweight Permits
This permit is necessary when a vehicle exceeds the allowable weight restrictions imposed by an authority. It guarantees that the truck may move securely on roadways while causing no harm to infrastructure.
South Carolina Overlength Permit
The permit is required for vehicles that exceed the standard-length limit. It enables the transportation of longer goods, such as huge beams or pipes, while maintaining their safety and legality.
South Carolina Fuel/Trip Permit
South Carolina Single trip permits are normally valid for one trip and is often necessary for trucks that do not have a regular IFTA (International fuel tax agreement) in place and IRP (International Registration Plan) registered. It enables the truck to drive through particular countries while remaining compliant with fuel tax requirements.
South Carolina Overhang Permits
The permit is required when a load exceeds the rear or front of the vehicle. It guarantees that the overhanging weight is delivered securely, without endangering other road users.
South Carolina Over-width Permits
A permit is necessary for vehicles that exceed the normal width limitations. It enables the transportation of larger loads, such as massive equipment or prefabricated constructions, while maintaining their safety and legality.
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FAQ'S Asked Questions about Oversize Permits
South Carolina oversize permits information including legal dimensions, routine permit limits, and escort requirements, operating times and restricted travel.
The phone number for South Carolina oversize and overweight permits is (270) 908-9656
Length: 53 feet for semi-trailer and load cannot exceed a distance of 41 feet from the kingpin to the rear tandem axle.
Overhang: 5 feet for overhang on 48 feet semi trailer
Width: 8 feet 6 inches for interstate and designated routes.
Height: 13 feet 6 inches
Important: South Carolina does not permit overhang with several sections. Overhang is only allowed with a single, non-divisible load.
Weight: Gross weight 80,000lbs
Single Axle 20,000lbs.
Tandem Axles 34,000lbs.
Tridem Axles 35,200lbs usually, It depend on axles distance.
In South Carolina, the widest load you can haul without permit in South Carolina is 8 feet 6 inches for interstate and designated routes.
Travel is allowed from half an hour after dawn to half an hour before sunset, Monday through Saturday. Sundays are off limits for travel. Loads weighing more than 130,000 pounds can go continuously as long as they follow the flow of traffic. However, load weighing more than 130,000 pounds are only permitted to travel on Monday through Friday.
You can reach the South Carolina Department of Transportation's (SCDOT) Oversize Permits office at (270) 908-9656
The cost of getting an oversize permit in South Carolina depends on the type and period of the permit, however the estimated cost is:
South Carolina Oversize Permit Fees
o Single trip permit costs $30.
o Excessive width (above 16 feet): $35
o Excessive Width (above 18 feet): $40
o Excessive width (above 20 feet): $45
o Excessive width (more than 22 feet): $50
Permits can be obtained calling by us at (270) 908-9656 Oversize Permit Office.
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