Tarped, Strapped, and Permitted: Moving an Oversized Load

You have a load that won’t fit in a box. Maybe it’s a piece of equipment that runs 14 feet long, a structural beam that hangs off the deck, or a machine that’s simply too wide for a lane line. You called around, and the answers came back the same way: “We can’t take that,” or a quote so padded it looked like a typo. Oversized freight is exactly the kind of load big networks are built to avoid. It’s also the kind of load we move for a living.

Here’s what actually goes into getting an oversized load from your dock to its destination, so you know what you’re paying for and what to watch out for.

First: what makes a load “oversized”

Every state sets legal limits for width, height, length, and weight on standard trailers. Cross one of those lines and your freight becomes a permitted move. The most common triggers:

• Width past the legal limit (often the first thing to push you into permit territory).
• Height that clears bridge and overpass restrictions on the route.
• Length that overhangs the deck front or rear.
• Weight heavy enough to need axle spacing or a specialized trailer.

The moment you cross one of these, the whole job changes. It’s no longer “put it on a truck.” It’s securement, tarping, permits, routing, and sometimes escorts, all working together. Miss one and the load doesn’t roll.

Securement: strapped so it stays put

Securement is where a lot of loads go wrong before they ever leave the yard. Open-deck freight has to be tied down to handle braking, turns, and highway wind, and the securement plan depends on the shape, weight, and center of gravity of the piece.

That means the right mix of straps, chains, binders, edge protection, and blocking. A steel coil isn’t secured like a bundle of pipe, and a piece of machinery with a high center of gravity gets treated differently than a flat slab. Getting this right is a safety issue and a legal one. A driver who knows open-deck work walks the load, checks it after the first few miles, and re-checks it along the way, because straps settle and loads shift.

Tarping: protecting the load and the deck

Not every load gets tarped, but when it does, it matters. Tarping shields freight from rain, road grime, and debris, and for some commodities it’s non-negotiable. It’s also physical, heavy work, and it has to be done right so the tarp doesn’t tear loose at 65 miles an hour.

When you ask for a quote on open-deck freight, tarping is one of the details worth nailing down up front. It affects the price and the timeline, and it’s the kind of thing that turns into a surprise if nobody asked.

Permits and routing: the paperwork that keeps you legal

This is the part shippers underestimate most. An oversized move usually needs permits from every state it travels through, and each state has its own rules, fees, and processing time. Some permits come with travel restrictions: certain hours, no weekends or holidays, no travel in bad weather.

Routing is tied to all of it. A permitted load can’t just take the fastest path. It has to follow a route that clears every bridge, overpass, and weight-restricted road along the way. Heavier or wider loads may require escort vehicles, and in some cases a route survey before the truck ever moves.

None of this is guesswork you want to do the night before pickup. It’s the reason “oversized” and “stressful” tend to travel together, and it’s the reason having someone who does this every day is worth real money.

Why the cheapest quote isn’t the cheapest shipment

A low number on an oversized load usually means something got left out: a permit that wasn’t priced, tarping that wasn’t planned, an escort nobody accounted for. Those gaps don’t disappear. They show up as delays, fines, or a load that sits because the paperwork isn’t ready.

A real oversized quote accounts for the whole job before the truck rolls. That’s slower to produce and more honest, and it’s the quote you can actually build a delivery date around.

How we’d move yours

Comet National has handled open-deck and specialty freight since 1995, and oversized work is the house specialty. Give us the dimensions, the weight, the pickup and delivery points, and any date you’re being held to, and we’ll build the move around what the load actually needs: the right trailer, a securement and tarping plan, the permits, and a legal route to all 48 states and Canada. One person owns the shipment and answers the phone, so you’re not chasing a tracking number when something needs a decision.

If your load is smaller, one to several pallets of open-deck freight, that’s partial flatbed, and our sister brand FlatbedLTL is built for exactly that.

Got a load that won’t fit a standard trailer? Send us the details and we’ll tell you straight what it takes to move it, and what it’ll cost, before you commit.