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Washington Oversize Permits

Below is some important oversize permit regulation information for the state of Washington.

In Washington, you need an oversize permit if your vehicle exceeds 8’6″ wide, 14’0″ high, 75′ long or 80,000 pounds. 

If you need to apply for a Washington oversize permit, call (888) 737-6483 now or contact us. 

LEGAL DIMENSIONS & WEIGHTS​
Legal Width:8'6
Legal Height:14'0
Legal Length:Single unit: 40’0
Semi-trailer: 53’0
56’0 with permit (Automobiles only)
Doubles: 60’0
Autotransporters: 65’0
Truck-trailer: 75’0
Other combinations: 75’0
Legal Overhang Front:3'0
Legal Weight Gross:80,000
Legal Overhang Rear: 15'0 from center of last axle
Legal Trailer Length: 53'0
Legal Kingpin:N/A
Legal Weight Single:20,000 lbs.
Legal Weight Tandem:34,000 lbs.
Legal Weight Tridem: 42,000 lbs.
Legal Weight Quad:N/A
Legal Weight Doubles:34,000 lbs.
Legal Weight Triples: 42,000 lbs.
Load Exemptions:
PERMIT FEES​
Permit Fee/Legal Weight:$10.00
Permit Fee/Overweight:Less than 100,000 lbs: See Overweight Fee Schedule chart below
Multiply price per mile by number of miles
Superload Fees:Greater than 100,000 lbs: $4.25 + $0.50 for every 5,000 lbs. over 100,000 lbs.
Total=price per mile
Multiply price per mile by the number of miles.
Mileage Fees:Depends on weight
Annual Fees:Annual Fees:
14’0 wide max.
15’0 high max.
$20.00 monthly
$240.00 per year

Weight:
125,000 lbs. max.
$30.00 monthly
$360.00 per year

-Single Trailer:
$10.00 monthly
$100.00 per year
-Double Trailer:
$10.00 monthly
$100.00 per year
-Fixed Load:
3 axles: $70.00 monthly
4 axles: $90.00 monthly
-Non-Divisible Load:
$10.00 / Length monthly
$20.00 / Height & Width monthly
-Manufactured Housing:
$30.00 monthly
$360.00 per year
-Sealed Container (State Route 509):
$100.00 monthly
$1,000.00 per year
-Collection Truck:
2 axles: $252.00 per year
3 axles: $336.00 per year
-Empty Apple Bins:
$20.00 monthly
$240.00 per year
-Hay Bales:
$20.00 monthly
$240.00 per year
-Tow Truck:
Class B $75.00 per year
Class C $150.00 per year
-Tarping System:
$20.00 monthly
$240.00 per year
Additional Fees:N/A
AGENCY GENERAL INFO​
Phone:360-704-6340
Email:
Status Phone:360-704-6340
Website:https://www.wsdot.wa.gov/commercialvehicle
Hours of Operation:7:00 am - 5:00 pm Pacific
Permit Valid For: 3 Days

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