Oversized vehicles and loads
Annual and Short-Term Oversized Truck Permits
These vehicles and loads exceed the maximum height, weight, width, and/or length, specified by state law. All oversized vehicles and loads traveling within Seattle must obtain a permit to operate. City law allows SDOT to issue these permits. Click HERE for additional information about Oversized Vehicles and Loads.
Conditions of Use
How to get an Oversized Truck Permit.
How much does it cost?
Over-Size Permit Fees: for trucks that exceed licensed dimensions
| Over-width, over-height and/or over length (single trip)
| Over-width, over-height and/or over length (thirty-day)
| Over-width, over-height and/or over length (annual)
| Fleet Permits (for holders of two $290.00 annual oversize permits) (annual)
Overweight Permit Fees for trucks whose gross weight exceeds license weight.
|Short Term Permit (additional tonnage only) (single trip)
|Short Term Over Dimensional and Overweight (single trip)
|Annual Permits per gross weight range:
|0001 – 11,999 lbs.
|12,000 – 23,999lbs.
|24,000 – 35,999 lbs.
|36,000 – 47,999 lbs
|48,000 – 59,999 lbs.
|60,000 – 71,999 lbs.
|72,000 – 79,999 lbs.
PLEASE NOTE: For ANNUAL permits, if vehicle is both Over Dimensional and Overweight, the fees in the table above will be added to the $290 annual permit fee. Annual Permit fees are prorated quarterly.
- You are responsible to verify bridge heights along your planned route
- Truck drivers who use the Spokane St Corridor in south Seattle may want to download this map
- Weight restrictions on state-owned bridges
- Weight restrictions on City-owned bridges (see table below)
|Airport Way over ARGO RR
||Airport Way over the Union Pacific RR Yard
||Legal Loads Only, No Overloads
|Magnolia Bridge, Pier 91 Ramps
||Center ramps to Port of Seattle on Magnolia Bridge.
||No Trucks Allowed
|McGraw Street Bridge
||West McGraw Street over Ravine near 3rd Ave West.
||Single Truck 2 Axle-14 Tons
Single Truck 3 Axle-18 Tons
Truck Semi Trailer-28 Tons
Truck and Trailer -35 Tons
|East Interlaken Boulevard
||East Interlaken Blvd. over 26th Ave East.
||Weight Limit 5 Tons
|Fairview Ave N. (southbound)
||Fairview Ave North between East Galer Street and East Prospect Street.
||Weight Limit 40 Tons
||Post Alley between Columbia Street and Marion Street
||Single Truck 2 Axel-19 Tons
- For more information about Commercial Vehicle Permits, contact Don Smith at (206) 684-5125
- For the SDOT Load Rating Program, contact Yuling Teo at (206) 733-9244
WSDOT’s bridge vertical clearances trip planner can help you route your trip on state routes and bridges only. More at www.wsdot.wa.gov/freight/
Truck Validations and Commercial Vehicle Enforcement Officer (CVEO) Escorts
If you are entering/exiting the City of Seattle with an over-legal load using a state or western regional permit, you are required to obtain a City of Seattle validation number before moving the load on City streets.
For holders of City of Seattle Annual Over-legal permits, a validation number is required for loads that exceed the dimensions listed on the permits.
Generally, over-legal loads requiring a City of Seattle Commercial Vehicle Enforcement escort will be moved between the hours of 4:00 AM and 6:00 AM.
Permit Validation Numbers
Permit validation numbers reflect day-to-day routes and streets to be used by oversized vehicles and loads in Seattle. These numbers work in conjunction with other oversized vehicles and loads permits issued. Avoid citations from Seattle enforcement officers by obtaining validation numbers in advance and using authorized routes.
- Validation numbers are free and quick to obtain. You can get them over the phone by calling SDOT at (206) 684-5086.
- Numbers must be posted on original permit and obtained daily up to 24 hours in advance
- Must reflect daily routes meant for transport by oversized vehicles and loads on city streets
City of Seattle Commercial Vehicle Enforcement escort fees:
Cost per hour per officer: $200.00
Minimum number of hours: Weekdays, 2 hours Weekends, 3 hours Holidays, 4 hours
Seattle Department of Transportation: Commercial Vehicle Enforcement, Traffic Management Division ~ (206) 684-5086