Simplify Your Oversize/Overweight Loads

  • Instantly Determine Permit & Escort Costs
  • Calculate Max Legal/Permitted Axle Weights
  • Understand Equipment Limits
See How It Works

Portland (Oregon) Oversize/Overweight Permit And Regulations

Note: For state regulations, see OD Regulations By State


Weight and Dimension Restrictions

As authorized by Code Section 16.70.600, Over-Dimensional Vehicles, the City Traffic Engineer may grant permits for the operation of over-dimensional vehicles on City streets.

The limits in the City of Portland are:

  • Height - 14 feet;
  • Length - 50 feet for single units, and 65 feet for combinations;
  • Width - 8 feet 6 inches;
  • Weight - 80,000 pounds gross.

Over Following Route

The City does not "scout" routes, but does recommend using State routes whenever possible.

Restricted streets/routes/loads:

  • NE Marine Drive. No triple trailer combination under any circumstances.
  • No house moves greater than 12 feet wide unless on a trailer. Dates and times of house move routes must be approved by Street Systems Management.
  • A rider must accompany a load over 14'6" unless a device of more than 3 feet in height is mounted above the load to prevent shagging traffic signals, utility wires, etc.

Curfews

  • All permits are issued for daylight hours, except 7-9 a.m. and 3-6 p.m. unless otherwise approved by City staff.
  • Night permits may be approved, at the City's discretion, for overlength and overweight dimensions, but not for overwidth dimensions.

City Approvals

  • Signal Electrician. Must approve high loads (generally over 15'6");
  • Structures. Must approve loads over 80,000 pounds gross weight. An axle-loading diagrams is required from the permittee if the proposed route includes City structures;
  • Traffic Investigations Staff. Initials for completed insurance. City Attorney's Office. Verifies the insurance and stamps it when it is approved as to form.

TriMet Notification

The City notify TriMet that a Track Access Permit is needed when dimensions are higher than 18 feet. The City's Overdimensional Permit will state "Not valid without accompanying permit."

The City of Portland overdimensional permits https://www.portlandoregon.gov/citycode/article/59240