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North Carolina truck size limits: 3 checks for a haul bid

CostDay Editorial Team · Posted · 13 min read

Why these three numbers belong in the bid

North Carolina's haul-bid size limits are 102 inches overall width, 12 feet six inches overall height, and 60 feet total combination length. A haul bid is only as good as the route it assumes. If the truck, trailer, or load you priced cannot legally use the roads between pickup and delivery, the job either costs more than you quoted or it does not happen at all. In North Carolina, the core size rules for trucks and loads are in G.S. 20-116. That section sets the numbers that most often change a move: overall width, overall height, and the length of a combination of vehicles.

Key Takeaways

  • Measure overall width in the configuration you will run, and compare it with 102 inches.
  • Measure height loaded, including anything on top of the load, and compare it with 12 feet, six inches.
  • Count the units first, then measure total length with bumpers included against 60 feet.
  • For sheet or bale tobacco, record the top width and the bed width separately.

This post walks through three checks you can build into a bid, along with the separate tobacco width rule and one length exception. Every rule and number here comes from the statute text. Treat it as a checklist for what to measure and what to look up. It is not a replacement for the full section, for later amendments, or for advice from your carrier. Read the statute itself before you commit a price.

Most estimators already know the basic idea. A rig that is too wide, too tall, or too long cannot simply be driven on the road. The harder part is turning that idea into a line item. The sections below show what to measure, which number to compare it with, and what to do when the rig falls on the wrong side of the line.

Check 1: overall width of 102 inches

Width is the first number to measure, and it is the one estimators most often measure wrong. The statute uses 102 inches as its overall width line. Under the section, vehicles other than passenger buses that do not exceed an overall width of 102 inches, and that meet the other conditions in the section, may operate under the cross-referenced provisions of the section ( G.S. 20-116).

The word that matters for a bid is "overall." The check is the widest point of the vehicle as it will actually run. It is not the width of the trailer deck on a spec sheet, and it is not the width printed in a catalog for a model that may differ from the unit you are sending. Before you accept a quote that depends on a particular rig, measure the configuration you will use, including anything fixed to the sides, and compare that number with 102 inches.

If the figure is over 102 inches, the vehicle is outside that provision. You then need to read the rest of the section and any other requirement that applies before you assume the move can run as priced. Do not treat a wide load as a small adjustment. It changes the route, the equipment, and possibly the legal path for the whole job.

A simple habit prevents most width mistakes. Write the measured overall width into the bid file next to the equipment description, with the date you took the measurement. When a customer changes the load, swaps the trailer, or adds an attachment, the width number changes too, and the estimate needs to be checked again. A bid that says "standard trailer" with no measurement behind it invites a dispute later.

Tobacco loads: the 114-inch top and the 102-inch bed

The statute treats sheet and bale tobacco differently from other loads. The quoted rule reads: "When sheet or bale tobacco is being transported the load must not exceed a width of 114 inches at the top of the load and the bottom of the load at the truck bed must not exceed the width of 102 inches inclusive of allowance for load shifting or settling" ( G.S. 20-116).

There are three points for the estimator.

First, the rule applies only to sheet or bale tobacco. It does not give a general 114-inch allowance for other loads. Do not apply it to a different product on a bid because the numbers look familiar. A load of another commodity gets checked against the general width line discussed above.

Second, the statute measures the load at two places. The top of the load may reach 114 inches. At the truck bed, the load must stay within 102 inches. A load that looks acceptable from the side because the top is under 114 inches can still be out of line at the bed. Estimators who check only the top width are checking the less restrictive number.

Third, the 102-inch bed figure includes an allowance for load shifting or settling. That means the allowance sits inside the limit, not on top of it. Price the load with room left for movement in transit. Do not plan a loading pattern that uses every inch of the 102-inch bed width, because a load that settles or shifts on the road can then go over the limit without anyone changing the load plan.

For the bid, this means two measurements, not one. Record the top width and the bed width separately, and note that the bed figure carries the shifting allowance. If the load crew loads to the edge of the bed in one spot and the customer later asks for a fuller stack, the bid needs to be reopened. The statute's two-number structure is easy to lose when a quote is written in a hurry.

Check 2: overall height of 12 feet, 6 inches

Height is the check most likely to cost you money if it is missed. The statute sets 12 feet, six inches as its height line, and it measures that height as overall height, "whether unladen or with load" ( G.S. 20-116). The phrase "with load" matters. The height you check is the height of the vehicle as it will travel, including the load and anything carried on top of it, not the empty deck height from the spec sheet.

Two parts of the statute matter for the bid. The first concerns roads. The statute says that neither the State of North Carolina nor any agency or subdivision of it, nor any person, firm or corporation, is required to raise, alter, construct or reconstruct any underpass, wire, pole, trestle, or other structure to permit a vehicle with a height over 12 feet, six inches to pass ( G.S. 20-116). In plain terms, nobody is required to change a structure for your load. The move has to work under the clearances that already exist. You cannot price a job on the assumption that a bridge will be raised or a wire will be moved.

The second part concerns damage. The statute says the operator or owner of a vehicle with an overall height over 12 feet, six inches is liable for damage to any structure caused by a vehicle with a height in excess of that figure ( G.S. 20-116). That liability is a cost, and it belongs in the bid. It also decides who pays when a strike happens on a route nobody surveyed. If your company is the operator or the owner, the bill for a struck overpass comes to you, not to the road.

Here is how to handle height in the bid.

  • Measure overall height loaded, including anything on top of the load and anything mounted on the trailer or tractor. Do not use the empty figure.
  • Compare the loaded figure with 12 feet, six inches. If it is over that number, flag the job as a height move in the bid header so nobody prices it as a standard haul.
  • Price a route check for underpasses, overhead wires, poles, and low structures between pickup and delivery. Include the cost of any detour the survey turns up, and the extra time and fuel a detour adds.
  • Add a line for damage exposure. Confirm with your insurer that the policy covers damage to structures from a loaded height move, and note in the bid who is responsible for the route survey.

The statute sets a threshold. It does not promise that a vehicle under 12 feet, six inches will clear every structure on every route. The posted clearance on a given bridge or underpass is the number to check on the day of the move, and a route survey is how you find out whether the path you planned has one that is lower than you expected.

Check 3: combination length of 60 feet

The third check covers length, and it applies to the whole combination, not just one unit. The statute says that no combination of vehicles coupled together may consist of more than two units. It also says that no such combination may exceed a total length of 60 feet, inclusive of front and rear bumpers, subject to exceptions ( G.S. 20-116).

Two things stand out for the estimator. The first is the unit count. A combination is limited to two units under the general rule, so the count has to be done before the length. The second is the measure. The 60-foot total is measured with front and rear bumpers included, so measure the whole combination rather than adding up unit lengths.

The exception the statute quotes is narrow. It says that motor vehicle combinations of one semitrailer of not more than 53 feet in length and a truck tractor (power unit) may exceed the 60-foot maximum length ( G.S. 20-116). The exception names one semitrailer and one truck tractor. It does not describe a setup with more units, and it should not be read as a general permission for long combinations.

For a length check, work through the steps in order.

  1. Count the units. A combination of more than two units falls outside the general rule. The exception described above covers a truck tractor and one semitrailer, so a rig with additional units does not fit it.
  2. Measure the total length with the bumpers included, using the configuration you will actually run.
  3. If the total is 60 feet or less, the combination is within the general length rule, and you can move on to the other checks.
  4. If the total is over 60 feet, check whether the setup fits the exception. Confirm that it is one truck tractor pulling one semitrailer, and measure the semitrailer. If the semitrailer is over 53 feet, the exception does not apply.
  5. If the setup does not fit either the general rule or the exception, check whether a permit or another rule covers it before you rewrite the bid around a configuration that fits, and say in the bid why the original equipment was changed.

Once the length is measured, write it down with the unit count and the exception status in one line. A reader who sees "two units, measured with bumpers, one semitrailer under the exception" knows exactly what was checked. A reader who sees "tractor-trailer, about 60 feet" does not.

Common mistakes in the bid

Most size problems come from a short list of habits. Watch for these in your own estimates.

Using the spec sheet instead of the measurement. Catalog widths, deck heights, and trailer lengths describe a manufacturer's unit, not the one you are sending. Measure the configuration that will run, or get the carrier to confirm the measurements in writing.

Measuring empty and bidding loaded. The height rule applies to the loaded vehicle as well as the empty one, and the tobacco width rule is measured on the load itself. A rig that clears a route empty may not clear it when it is carrying the freight. Bid the loaded numbers.

Checking only the top of a tobacco load. The statute gives a separate figure for the top and for the bed. The bed figure is the more restrictive one, and it includes the allowance for shifting. A bid that checks only the top can miss the number that governs.

Forgetting the bumpers in the length check. The 60-foot figure is inclusive of front and rear bumpers. Measuring only the trailer and the tractor body leaves out part of the total the statute counts.

Assuming a structure will be changed. A bid that depends on a clearance being fixed before the move is a bid that cannot be delivered as written.

Ignoring the change in the load. A customer who adds a stack, a second trailer, or an attachment has changed the width, height, and possibly the unit count or length. The earlier checks no longer apply. Redo them whenever the load changes, and reprice the run with current diesel costs.

Related guides: North Carolina apprentice pay: 90% rate and limits · North Carolina repair estimates: 3 rules to check · Buried utility takeoff: three limits before bids.

Questions to ask the customer or carrier

Before you finalize a haul bid, a short list of questions will catch most size issues early. Ask them in writing and keep the answers with the bid file.

  • What is the exact equipment for this move, by make, model, and configuration, rather than a general description such as "flatbed"?
  • What is the measured overall width, with anything on the sides included?
  • What is the measured overall height loaded, with anything on top of the load included?
  • How many units will be coupled together, and what is the total length including bumpers?
  • If the load is sheet or bale tobacco, what are the top width and the bed width, and does the bed figure include an allowance for shifting?
  • Is there a route plan, and has anyone surveyed it for underpasses, overhead wires, and low structures?
  • Who is named as the operator and the owner for the move, since the statute places structure damage liability on that party?

Answers to these questions turn a guess into a number you can defend. If the customer cannot answer one, that gap belongs in the bid as an open item, with a note that the price assumes a specific configuration until the answer arrives.

Where these checks stop

This post covers North Carolina's width, height, and combination length rules as they appear in the quoted text of G.S. 20-116, along with the tobacco width rule and the one length exception the statute describes. It does not cover every rule that may apply to a move. Weight, permit requirements, driver rules, and taxes are outside its scope, and they can change what a route and a rig are allowed to do. If the job crosses a state line, the size rules of the other state need to be checked on their own terms. Size rules differ from state to state, so do not carry North Carolina numbers into another state's bid without checking.

Statutes also change. The text you check on the day you bid is the text that governs your estimate, so read the current version of G.S. 20-116 before you finalize a price. If the statute and this post ever disagree, the statute controls. Use this post to decide what to measure and what to look up, then bid from the measurements and the current text.

Estimators who build these three checks into every haul bid do not need to memorize the statute. They need a short routine: measure the rig as it will run, compare the numbers with 102 inches, 12 feet six inches, and 60 feet with the one-semitrailer exception, and write the measurements into the bid. That routine turns a size problem into a line item before the truck is on the road.

Next step: Before you send your next haul bid, measure the rig as it will run and write the width, loaded height, and combination length into the bid file.

Frequently asked questions

What is the North Carolina width limit for a haul bid?

The overall width line in G.S. 20-116 is 102 inches, and the check is the widest point of the vehicle as it will actually run.

Does the 60-foot length limit always apply?

No. The statute lets a truck tractor and one semitrailer of not more than 53 feet exceed the 60-foot maximum length.

Who pays if a load strikes a structure?

The operator or owner of a vehicle with an overall height over 12 feet, six inches is liable for damage to any structure caused by a height above that figure.

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