Trucking Costs in Oregon
Operating cost analysis for Oregon — the weight-mile tax dominates the cost picture.
Weight-Mile Tax — Oregon's Biggest Cost
Oregon's weight-mile tax at $0.1763/mi for 80,000 lb trucks is the single largest unique operating cost. For a truck running 100,000 miles in Oregon annually, that is $17,630 — far exceeding what a carrier would pay in fuel taxes in other states. The weight-mile tax replaces the fuel tax (no diesel tax at the pump for trucks over 26,000 lbs). When comparing total costs, the weight-mile tax roughly equates to a diesel fuel tax of about 75 cents per gallon equivalent — much higher than any state's actual fuel tax. Monthly reporting and payment are required. The tax rate increases with vehicle weight, heavily penalizing loaded trucks.
Other Operating Costs
Diesel pump prices in Oregon average $3.80-$4.20 per gallon, but since trucks over 26,000 lbs don't pay fuel tax at the pump, the pump price is lower than neighboring Washington — approximately $3.50-$3.90. Annual insurance runs $10,000-$18,000. Commercial vehicle registration is $150-$400. Oregon has no sales tax. Oregon's income tax is high: 4.75-9.9%. The state's cost of living is above average, particularly in the Portland metro area. Maintenance costs are moderate — shop labor $90-$130/hr. Mountain routes increase brake and drivetrain wear.
Total Cost Per Mile Analysis
An Oregon-based owner-operator with a paid-off truck can expect costs of $1.60-$2.05 per mile (including weight-mile tax). With truck payments, costs increase to $1.85-$2.35. Breakdown: fuel $0.54-$0.60/mi, weight-mile tax $0.18/mi, insurance $0.08-$0.13/mi, maintenance $0.14-$0.19/mi, tires $0.03-$0.05/mi, truck payment $0.15-$0.25/mi, permits $0.02-$0.03/mi, overhead $0.06-$0.09/mi. Oregon dry van rates average $2.50/mi, flatbed $3.00/mi. Pacific Northwest rates are strong. Timber freight pays premiums. Portland port drayage is consistent. The weight-mile tax makes Oregon among the most expensive per-mile states. Owner-operators grossing $210,000-$260,000 can net $50,000-$75,000.