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Heavy haul truck hauling an oversized load in Oregon
Quickway Transports

Oregon Oversize & Overweight Permits for Heavy Haul

Oregon permit rules, legal limits and escort triggers, and how we book heavy haul carriers for moves in and through the state.

Quick answer

Do I need a permit to move an oversize load in Oregon?

Yes, once the load is wider than 8 ft 6 in, taller than 14 ft or heavier than 80,000 lbs. ODOT's administrative fee is only $8 per permit, but single trip loads over 98,000 lbs add ODOT's road use fee, 10.9 cents per ESAL mile. Permits are issued through ORION, and pilot car needs depend on the route map color.

Updated November 2026 by the Quickway Transports broker team (FMCSA MC# 1245224).

Heavy Haul | OR

Heavy haul and oversize freight in Oregon

Oregon's oversize freight moves along I-5 through Portland, Salem, Eugene and Medford, along I-84 up the Columbia River Gorge toward Idaho, and on US 97 through the central high desert. Port of Portland cargo, sawmill and forestry equipment, farm machinery from the Willamette Valley and eastern Oregon, and data center construction all call for heavy haul trucks. We book carriers for moves inside Oregon or between it and Washington, Idaho and California.

Oregon ties nearly every rule to the route. ODOT's route maps rate each highway by color, and the color decides how many pilot cars a given width needs and whether the load may travel at night. Summer weekends close non-Interstate highways west of the Cascades to wide loads from Saturday noon, and Portland, Salem, Eugene, Grants Pass and Medford keep weekday rush hours. We pick the route first and price from it.

What are the legal size and weight limits in Oregon?

Under the oversize load regulations in Oregon, a load above any of these limits needs a state oversize or overweight permit.

Width 8 ft 6 in
Height 14 ft
Semitrailer length 53 ft
Gross weight 80,000 lbs
Single axle 20,000 lbs
Tandem axle 34,000 lbs

Limits are set by ORS 818.010 and 818.080. Oregon's legal height is 14 ft, and anything over 80,000 lbs needs a permit; an extended-weight permit allows up to 105,500 lbs on 8 or more axles with legal axle weights.

Who issues Oregon oversize permits?

ODOT's Commerce and Compliance Division issues oversize and overweight permits from Salem through ORION, the state's online permit system, once the carrier has a CCD account. A single trip permit covers one trip within 10 consecutive days, and continuous trip permits run for 30 days or a year.

ORION permits can add county roads and Portland city streets, the latter on annual permits only; elsewhere the county or city road authority issues its own permit. ODOT's county attachments list each county's restricted bridges and routes, and the carrier's permit service checks them before the route is set.

Permit system: Oregon Routing Information Online (ORION)

What do Oregon oversize and overweight permits cost?

  • request_quote ODOT administrative fee: $8 per single trip or annual permit, not refunded if the permit goes unused.
  • request_quote Counties add up to $8 each on annual permits, and some, such as Clatsop and Klamath, charge less.
  • request_quote Road use assessment fee: single trip non-divisible loads pay 10.9 cents per equivalent single-axle load (ESAL) mile, which ORION calculates from gross weight and axles.
  • request_quote Miles covered by that fee are exempt from Oregon's weight-mile tax, though the carrier still needs a weight-mile account or temporary pass.
  • request_quote Monitored moves are billed to the carrier, including ODOT work to move signals or utility lines.

Worked example: a 13 ft wide load from Portland to Bend

The ODOT permit fee is $8, and below 98,000 lbs no road use fee applies. At 13 ft wide the load needs no pilot car on I-84, one on a green two-lane route and two on a purple one, it cannot move after dark, and it must stay off non-Interstate highways around Portland at rush hour. Route choice drives most of the cost.

Oregon pilot car and escort requirements

  • local_police Pilot cars depend on width and the route's color on ODOT Route Map 2: green routes need the fewest, purple more and red the most.
  • local_police Up to 11 ft wide: no pilot on Interstates, multilane highways or green routes, and one or two on red routes depending on the road group.
  • local_police 12 ft 1 in to 14 ft wide: none on the Interstate, one on green two-lane routes and two on purple routes.
  • local_police 14 ft 1 in to 16 ft wide: one rear pilot on the Interstate and two on green two-lane routes. Past 16 ft, ODOT's district guidelines set the escort plan move by move.
  • local_police Taller than 14 ft 6 in: a lead pilot car runs a height pole, which ODOT waives when the carrier has signed its overheight liability declaration.
  • local_police Wider than 12 ft at any of 17 named bridges and tunnels, such as the Astoria Columbia River Bridge: certified flaggers, or a certified rolling stop.

What hours can oversize loads move in Oregon?

  • calendar_today After dark: loads up to 10 ft wide on Interstates and green routes, up to 12 ft on Interstates only, and nothing wider.
  • calendar_today City hours, 7 to 9 AM and 4 to 6 PM on business days in Portland, Salem, Eugene, Grants Pass and Medford: loads 12 ft 1 in to 14 ft wide may use only Interstates other than I-5 in north Portland and Medford, and wider loads do not move.
  • calendar_today Summer weekends, late May to early September: from Saturday noon through Sunday, loads up to 14 ft wide run only on Interstates and authorized routes east of the Cascades, and wider loads stay parked.
  • calendar_today Holidays: overwidth loads stop from noon the day before Christmas, Thanksgiving, New Year's Day, Memorial Day, Independence Day and Labor Day, with weekend daylight windows for loads up to 14 ft on Interstates and US 97.
  • calendar_today No overwidth movement on ice, snow or frost, when visibility is under 500 ft, or in winds that make the load sway or fail to track.

Seasonal weight limits in Oregon

Oregon has no statewide frost law on state highways. ODOT and counties can post weight limits on their own roads by order once signs go up, ODOT's Class A restriction holds axles to 12,000 lbs steering and 10,000 lbs elsewhere, and a posted limit overrides any permit. Some counties post freeze-thaw limits, such as Columbia County's 20,000 lb cap on county roads, so winter routes are checked against ORION's active restrictions list.

FAQ

Oregon Oversize Load Questions

Permits, escorts and travel rules for oversize moves in Oregon.

What does an Oregon oversize permit cost?
ODOT's administrative fee is $8 per permit, and counties add up to $8 each on annual permits. The larger cost on heavy moves is the road use assessment fee, 10.9 cents per equivalent single-axle load mile for single trip non-divisible loads, which ORION works out from the gross weight and axle layout. Pilot cars and any monitored move are paid separately.
When does Oregon treat a load as a superload?
An Oregon load becomes a superload past 16 ft of width on the Interstate or a multilane highway, past 14 ft on a two-lane state highway, or above 17 ft high or 150 ft long. Superloads can take up to 10 days to issue, need axle diagrams and weights, and require drivers with at least 3 years of combination-vehicle experience.
Can oversize loads travel at night in Oregon?
Only narrower ones. In darkness, loads up to 10 ft wide may use Interstates and green routes, loads up to 12 ft wide may use Interstates only, and anything over 12 ft waits for daylight. At night the outer edges of the load must be lit with lamps or markers.
What do Oregon's route map colors mean?
ODOT's Route Map 2 rates state highways green, purple or red by how well they handle wide loads. Green routes need the fewest pilot cars and allow some night travel, purple routes need more, and red routes need the most and are not authorized as through routes for most wide loads. Interstates and multilane highways have the lightest rules.
Can wide loads move on summer weekends in Oregon?
Partly. Between Memorial Day and Labor Day, from Saturday noon through Sunday, loads up to 14 ft wide may run on Interstates and authorized routes east of the Cascades but not on other highways west of them. Loads over 14 ft do not move, and the north coast district allows no overwidth travel on summer weekends.
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