You bid the job. You budgeted the freight. Then the invoice showed up bigger than the number you planned around, and now the margin you fought for is sitting in a carrier’s pocket. If you ship building materials, steel, equipment, or anything that rides on an open deck, you have probably lived some version of this. Most of the time it traces back to how the load got quoted in the first place.
Here are the five quoting mistakes we see contractors make on open-deck freight, and how to keep each one from eating your job.
1. Treating dry-van LTL like it works for open-deck freight
Parcel is too small. A full flatbed is overkill. So the freight gets crammed into a standard LTL quote, and that is where the trouble starts. Traditional LTL is built for palletized, stackable, boxed freight moving through a terminal network. Long, tall, or odd-shaped open-deck freight does not fit that model. Big LTL networks routinely reject shipments of roughly six or more pallets, or long and hard-to-handle items, or they accept them and surcharge them later.
If your freight loads from the side or the top, it belongs on a deck. Quote it as open-deck freight from the start.
2. Not knowing the accessorials that inflate the bill after the fact
This is the big one. A quote that looks settled can balloon on the invoice because of accessorial rules you never saw coming. The four that hit flatbed-type freight hardest:
- Density Minimum Charge — low-density freight gets re-rated up.
- Cubic Capacity Charge — light freight taking up too much space.
- Linear Foot Charge — long freight eating deck length.
- Capacity Load Charge — freight that ties up the trailer.
A quote of a few hundred dollars can turn into several times that once one of these lands. We label those numbers as illustrative, not a rate, but the mechanism is real. The FlatbedLTL fix is simple: our partial flatbed quote is locked in and is not subject to Density Minimum or Linear Foot charges. If you want the full breakdown, read how a $500 quote becomes a $3,500 invoice.
3. Guessing at dimensions and weight
An open-deck quote is only as good as the numbers you feed it. Round the length down, forget the pallet the coil sits on, or leave off an attachment, and the price you get back describes freight you are not actually shipping. When the real freight shows up different, the quote gets adjusted, and never in your favor.
Measure the whole footprint. Length, width, and height at the widest points, plus honest weight. On partial flatbed, the sweet spot is roughly under ten feet of deck space and under about 10,000 pounds. If you give us that accurately, the space we price is the space you use.
4. Ordering a whole truck you do not need
The flip side of cramming freight into LTL is booking a full flatbed for three skids of steel. A whole trailer for a partial load means you pay for empty deck. That is money gone for space you never touched.
Partial flatbed exists for exactly this gap. You share deck space with other partial loads and pay for the portion you use. The carrier fills a deck that would have rolled half empty, and your freight moves. That is how everybody wins. If the load genuinely fills a trailer, or it is oversized specialty freight, that is a full flatbed job, and our parent company Comet National Shipping handles it. Quoting the right mode saves you either way.
5. Skipping securement in the conversation
Securement is part of the price, not an afterthought. Equipment has to be chained at manufacturer-rated points, attachments lowered and secured separately, and the aggregate Working Load Limit of the tie-downs has to be at least half the cargo weight. If nobody talks that through at quote time, you risk a load that shows up needing rework before it can legally roll, or a refusal at the dock.
Get securement into the quote conversation up front. It tells you the freight was actually understood, not just keyed into a rate tool.
The fix is one honest conversation
Every one of these mistakes comes from a quote that did not really see your freight. Give accurate dimensions, name the accessorial traps, pick the mode that fits, and talk securement, and the number you plan around is the number you pay. You should not need a logistics department to ship a few pieces of open-deck freight without getting surprised.
Send us the load that LTL won’t touch. Get a locked-in partial flatbed quote at /get-a-quote, or call (800) 831-5376 and talk to a person who will own your shipment.