What is the main difference between flatbed and enclosed trailers for shipping?

Flatbeds accommodate freight over 8 feet tall and oddly shaped cargo with flexible loading options, while enclosed trailers provide weather protection for standard rectangular cargo under 8 feet but limit loading methods to door access only.

How much more does flatbed shipping cost compared to enclosed trailers?

As of March 2026, flatbed rates are $3.09 per mile versus $2.52 per mile for enclosed dry van, representing a premium of about 22 percent or approximately $285 on a 500-mile shipment.

When should I use a flatbed trailer instead of an enclosed trailer?

Use a flatbed if your cargo exceeds 8 feet in height or width, has an irregular shape, requires crane loading, or includes poles, coils, construction materials, or industrial machinery. Choosing the wrong trailer type can result in carriers refusing quotes or charging double rates.

Flatbed vs Enclosed Trailer: Which Trailer Type Your Cincinnati Equipment Really Needs

The Question Every Cincinnati Shipper Asks (And Gets Wrong)

Which trailer protects my cargo better? It is the first thing most Cincinnati shippers ask, and it quietly steers them toward the wrong answer. The assumption is that enclosed means safer and open means risky. But protection is only half the question. The other half is whether your cargo physically fits and can be loaded without damage.

That false choice is expensive. Book an enclosed trailer for freight that does not fit, and you will likely encounter a carrier that refuses to quote or one that quotes double. For poles and heavy machinery, the flatbed vs enclosed trailer decision comes down to dimensions and loading method, not preference.

Attribute	Flatbed	Enclosed
Height	Accommodates freight over 8 feet tall	Limited height
Loading	Side, rear, or crane	Limited loading options
Weather protection	Exposed, needs tarping	Full protection
Best for	Poles, coils, machinery, oddly shaped cargo	Standard-shaped cargo under 8 feet
Rate (March 2026)	$3.09 per mile	$2.52 per mile (dry van)

When to Choose Flatbed: It Is Physics, Not Preference

According to Gateway Distribution's shipping guides, freight over 8 feet tall generally requires a flatbed. An enclosed box simply cannot take it. The same applies to oddly shaped cargo and anything that needs crane loading, because you cannot lower a load through a closed roof.

Length is the other trap. Standard flatbeds are commonly 48 feet long, yet many pole manufacturers ship sections that run 35 to 50 feet. Aluminum and steel poles beyond 30 feet already create shipping problems on standard equipment, and a section at the top of that range leaves almost no margin. Poles are hollow and lightweight, but they will flex or dent if they are not properly supported in transit. Correct blocking and support matter as much as the trailer itself.

Flatbeds are also the working standard for steel coils, construction materials, and industrial machinery, the kind of freight common in Ohio's manufacturing corridors. If your cargo falls into any of these groups, the choice has already been made for you.

When to Choose Enclosed: The Right Tool for the Right Job

Enclosed trailers earn their place. They shield cargo from rain, road spray, and dirt, which matters for finished surfaces, packaged components, and anything sensitive to moisture. If your machinery is under 8 feet and rectangular, an enclosed trailer is a sound option.

The tradeoff is a loading bottleneck. Gateway Distribution's guides note that enclosed trailers limit both height and loading options. Everything goes in through the door, so there is no crane access and no room for overhang. Treat an enclosed trailer as a weather shield for compact, standard-shaped freight, not as a safer version of a flatbed.

The Cost Difference Is Smaller Than You Think

In March 2026, DAT data reported by Transport Topics put flatbed rates at $3.09 per mile against $2.52 per mile for dry van. On a 500-mile run from Cincinnati to a project site, that gap is about $285, a premium of more than 22 percent. For a load that needs a flatbed, that is a modest price for equipment that fits.

Now compare it with what the wrong choice costs. Gateway Distribution reports that oversized pole freight often leads carriers to refuse the quote or charge double their normal rates. Forcing oversized cargo into the wrong trailer type does not save money. It adds rejected bookings, rebooking delays, and a real risk of damaged freight.

Verdict: A Pre-Shipping Checklist

Start by measuring height, length, and width. Then ask whether the cargo is oddly shaped or needs crane loading. If it exceeds 8 feet in height or width, or the answer to the shape question is yes, you need a flatbed. If it is standard rectangular cargo under 8 feet and weather exposure is a concern, enclosed is a good fit.

Gateway Distribution manages distribution from a Cincinnati hub to job sites across 49 states, and our team, including Vice President Tyler Patton with more than 22 years at the company, works through these decisions daily. Our 99.7% claim-free record since 1989 comes from matching cargo to the right equipment before it ever leaves the dock.

Partner With Cincinnati Experts Who Know Pole Logistics

Measure your cargo first, then contact Gateway Distribution for a customized solution. We will confirm the right trailer type before you book, so you avoid refused quotes and double rates.

We approach every shipment as a partnership in profit: the right trailer protects your equipment, your schedule, and the carrier's reputation too. One driver in Cincinnati described the company's culture as one where "the management and family really treat you as a person and asset to the team." That is how we treat customers as well. Bring us your dimensions, and we will build the plan around them.