Need an oversize permit in Arizona? You came to the right place.
1. How long are oversize permits valid in Arizona?
Single trip permits are valid for up to 7 days. This applies to an oversize permit in Arizona.
2. What are the legal dimensions for loads in Arizona?
The legal limits in Arizona are as follows:
- Gross Weight: 80,000 lbs. on all roads
- Width: 8’6” on all roads
- Height: 14’ on all roads
- Length: 45’ for single unit and buses on designated highways, 40’ on all other roads; 57’ for semi-trailers on designated highways, 53’ trailer and 65’ overall length on all other roads; 28’6” for twins/doubles on all roads; 75’ for autotransporters and stinger steered on all roads; 75’ for 3-unit saddle mounts on designated highways, 75’ on all other roads; Rocky Mountain doubles*, turnpike doubles* and triples not allowed except by special permit.
*A compliance request form must be completed to obtain a special permit for Rocky Mountain doubles and turnpike doubles. Rocky Mountain doubles and turnpike doubles will only be allowed on I-15.
3. What are the permit limits for loads in Arizona?
The routine-issue permit limits in Arizona are as follows:
Weight:
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Single: 28,000 lbs.
Tandem: Depends on the axle spacings and tire size.* -
Tridum: Depends on the axle spacings and tire size.*
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Quad: Depends on the axle spacings and tire size.*
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Trunnion: 60,000 lbs
*See Appendix B of the “Arizona Department of Transportation Structures Section” to determine axle weight.
Gross Weight:
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5 axles: 104,000 lbs.
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6 axles: 108,000 lbs.
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7 axles: 117,000 lbs.
These are just guidelines. The actual weight depends on the number of tires and the distance between the axles. (See Appendix B2.) For loads over 250,000 lbs., a Class C permit is needed. If the load exceeds 180,000 lbs., an analysis fee of $250.00 will be charged.
Pavement stress and bridge capacities will be the determining factor for the maximum permitted weight.
Length: 120’
Width: 14’
Height: 16’
If load exceeds any of these dimensions or weights, refer to the section on Super Loads.
4. Is continuous travel allowed for oversize permits in Arizona?
Travel is allowed from ½ hour before sunrise to ½ hour after sunset. A permittee of a vehicle or load within limits may transport beginning at 3:00 a.m., except on any restricted day, route or time.
A permittee of a vehicle or load transporting under this Section shall have escort vehicle accompaniment as follows:
- A rear escort for a vehicle or load with dimensions 11’ to 14’ wide.
- A front and rear escort for a vehicle or load with dimensions 14’1” to 16’.
- A front escort with a height pole for a vehicle or load with a dimension exceeding 15’.
- Operators of vehicles/loads no greater than 16′ wide, 16′ high, 120’ long and 250,000 lbs. may travel on specified routes from 3:00 a.m. to 12:00 p.m. on weekends and nights. Loads over 11′ wide will have rear escorts. Loads not exceeding 10′ wide, 14’6″ high and 120′ long or 10′ front or rear overhang may request continuous travel.
Weekend travel must be requested through the state by specifying “Request 3 a.m. to noon weekend movement” on any application.
Travel is prohibited on New Year’s Day, Memorial Day, Independence Day, Labor Day, Thanksgiving Day and Christmas Day. If any of these holidays fall on a Monday, the movement shall stop before noon the Friday preceding the national holiday.
5. When are escorts needed in Arizona?
Class A
For one trip and one load or multiple trips of specified fixed loads not to exceed 30 days, O/O loads within standard guidelines of 14′ width, 16′ height, 120′ length and 250,00 GVW maximum: 0 escorts needed (except on state routes – see table).
Class B
For multiple trips of specified or fixed loads not to exceed 1 year, nor exceeding 80′ length, 12’6″ width, 14’8″ height, legal vehicle and axle weight except mobile cranes and drill rigs: 0 escorts needed (except on state routes – see table).
Apply in writing on state form
Class C
For one trip only of over-dimensional and overweight exceeding the limits of other classes of permits: 1 or more escorts needed (as permit determines).
- Apply in writing to Asst. State Engineer – Maintenance for approval.
- Overweight application must be accompanied by drawings and details of routing.
- Class C loads with combinations of the following and determined by analysis of load, road, etc.:
- 1 or more escort needed for widths over 14′
- 1 or more escort needed for lengths over 120′
- 1 or more escort needed for heights over 16′
- A # state highways require 1 front and 1 rear escort (2 total) escorts for vehicles over 12′ wide.
Also generally:
- 1 front escort needed for front overhang of 20′ or more
- 1 rear escort needed for rear overhang of 20′ or more
Class D
For mobile cranes and other over-the-road equipment (cranes, drill rigs, concrete pump trucks, etc.) that are on multiple trips for up to one year and are subject to the limits of Class A permits for size and weight: as permit determines.
- Vehicles which do not fit Class D may be permitted under Class C.
- Vehicles may obtain Class A permit for one trip or multiple trips not to exceed 30 days when in conformance to size and weight limits of Class A permits.
- Vehicles exceeding limits of Class A or Class D may be permitted under Class C.
Class E
As stated on permit. Permits for vehicles may be issued for annual periods encompassing areas as authorized in R.S. 28-101.M.
- Before issue of permit, requires weight on public scale submitted to permit supervisor on department form. (As set for highway travel).
- Drawing must also be submitted as well as photograph (ready to travel).
6. What is a superload in Arizona?
Over 14′ wide, 120′ long, 16′ high and 250,000 lbs. is considered a super load. Drawings are required and should include the axle weights, axle spacings, number of tires and engineering analysis.
IRP (Cab Card) or Base Jurisdiction COPY required along with application.
Applications take 2-4 days to process.
If you need help getting an oversize permit in Arizona or have a question about permits in any other states, give us a call at (800) 359-9407 or send us an email.