Heavy Haul Shipping Cost Breakdown: What You're Actually Paying For

Base Rate (Line Haul)

The base rate — sometimes called the line haul rate — is the core cost of moving your load from origin to destination. It's typically expressed as a per-mile rate multiplied by the total route distance. For standard oversize loads, base rates generally range from $2.30 to $5.00 per mile depending on trailer type, load complexity, and market conditions. Superloads requiring specialized multi-axle configurations can run $8.00 to $25.00 per mile for the base rate alone.

The base rate reflects the carrier's cost of operating the truck and trailer: driver wages, equipment depreciation, insurance, and overhead. Specialized trailers (lowboys, RGNs, multi-axle configurations) cost more to operate than standard flatbeds, which is why trailer type is one of the biggest drivers of the base rate.

Fuel Surcharge

The fuel surcharge is a variable add-on that adjusts with diesel prices. It's typically expressed as a percentage of the base rate — commonly 15% to 25% in current market conditions. The fuel surcharge exists because diesel prices fluctuate significantly, and carriers cannot accurately price fuel costs weeks in advance when quoting a move. Most carriers use the Department of Energy's weekly retail diesel price index to calculate their fuel surcharge.

When comparing quotes, make sure you're comparing total cost (base rate + fuel surcharge), not just the base rate. A carrier with a lower base rate but a higher fuel surcharge may end up costing more than a carrier with a slightly higher base rate and a lower surcharge.

Oversize / Overweight Permits

Any load exceeding federal legal limits — 80,000 lbs GVW, 8.5 ft width, or 13.5 ft height — requires oversize/overweight permits from each state along the route. Permit fees vary by state and load class:

• Standard oversize permits: $50–$200 per state for loads modestly exceeding legal limits
• Overweight permits: $100–$500 per state for loads exceeding 80,000 lbs GVW
• Superload permits: $500–$5,000+ per state for loads exceeding 120,000 lbs, 14 ft wide, or 15 ft tall

On a cross-country move crossing 8 to 10 states, permit costs can add $1,000 to $15,000 to the total shipping cost depending on load class. Your carrier handles all permit applications — the fees are passed through to you at cost.

Pilot Car / Escort Vehicle Fees

Pilot cars (escort vehicles) are required by law for loads exceeding certain width and length thresholds — typically 12 ft wide or 95 ft long in most states. Pilot car fees are typically charged per mile per escort vehicle:

• Standard pilot car: $1.65–$2.00 per mile per vehicle
• Police escort: $500–$2,000 per day per officer (required for superloads in many states)

A load requiring two pilot cars on a 1,000-mile move adds $3,300 to $4,000 in escort costs alone. Loads that require police escorts in multiple states can add $5,000 to $20,000 to the total cost.

Crane / Loading Assistance

If your equipment is non-running or cannot be driven onto the trailer under its own power, crane or heavy-duty wrecker assistance is required for loading. This cost is typically not included in the base rate and is charged separately:

• Crane-assisted loading: $300–$1,500 depending on machine size and crane capacity required
• Heavy-duty wrecker: $200–$600 for smaller non-running equipment

Always disclose whether your equipment is running at the time of quoting. Carriers who arrive expecting a running machine and find a non-runner may charge a detention fee while loading equipment is arranged.

Detention / Layover Fees

Detention fees apply when a carrier arrives at the pickup or delivery location and cannot load or unload within a reasonable time window (typically 2 hours). Common causes include:

• Equipment not ready for pickup (not fueled down, boom not retracted, etc.)
• Site access issues (locked gate, no one available to authorize pickup)
• Delivery site not ready to receive the load (no forklift, no crane, inadequate space)

Detention rates typically run $75–$150 per hour. Avoid detention fees by having your equipment ready and your site prepared before the carrier arrives.

Accessorial Charges

Additional charges that may appear on a heavy haul invoice include:

• Tarping: $50–$200 for loads that require tarping for weather protection
• Chains and binders: Included in most quotes but may be itemized separately
• Route survey: $500–$2,000 for superloads requiring a physical route survey before transport
• Bridge analysis: $1,000–$5,000 for engineering review of bridge capacity along the route

IronHaul Logistics provides transparent, itemized quotes so you know exactly what you're paying for before you commit. Call (208) 495-2260, email [email protected], or submit your load details through our online quote form for a detailed, no-surprise quote.