Steer Axle Weight Limits by State 2026: 12k Federal, Tires & 5th Wheel
The chart drivers search when the CAT ticket shows a heavy nose: the 12,000 lb federal planning number, real tire and GAWR ceilings, fifth-wheel notch math, and typical state flags for 2026. Axle-group theory lives on our axle-limits guide — this page owns steer pounds, rubber, and the fifth wheel.
~12,000 lb
2026 Planning Cap
20,000 lb
Federal Single Axle
~6,175 lb
Common G-Range Tire
5th Wheel
Primary Steer Tool
Ahmad Qazi
Founder & CEO, O Trucking LLC
Fact-Checked by O Trucking Dispatch Team
5+ years helping carriers plan steer, drive, and trailer splits across 48-state Interstate and permit lanes
Sources:
Written by Ahmad Qazi, founder of O Trucking LLC, drawing on 9+ years dispatching for owner-operators. Learn more about us.
O TruckingSteer Axle Weight Limits by State 2026
Key Takeaways
- 12k is the industry planning number; 20k is the federal single-axle Interstate ceiling.
- The legal steer cap is the lowest of federal/state single-axle, GAWR, and combined tire ratings.
- Load Range G pairs commonly total about 12,350 lbs; higher GAWR usually needs Load Range H.
- Fifth-wheel rearward unloads steer; forward loads steer. Tandem holes are the wrong first tool.
- State charts change on non-Interstate, frost-law, and permit routes — confirm the scale state.
- CAT Scale the split, then reweigh after every notch. A ticket is not a tire-compliance certificate.
Distinct from the axle-group how-to
What the 12k Federal Planning Number Actually Is
Search results for steer axle weight limit by state keep repeating 12,000 lbs as if Congress carved the front axle out of the Code of Federal Regulations. That is not how the statute is written. On the National Network and Interstate system, FHWA size-and-weight policy caps a single axle at 20,000 lbs and a tandem group at 34,000 lbs, with 80,000 lbs gross for a typical five-axle combination, all still subject to the bridge formula. The steer axle is a single axle. On paper you could theoretically put 20,000 lbs on the bumper.
You will not, because the hardware will not. Class 8 tractors are spec'd with steer GAWR values commonly between 12,000 and 14,600 lbs. The two tires on that axle are almost always the binding constraint. Trainers, CAT Scale booths, and a generation of owner-operators therefore treat 12,000 lbs as the number you protect. Calling it the 12k federal limit is shorthand. Calling it the 2026 planning cap is more honest — and it is the number this chart is built around.
Why the shorthand matters at the coop: an officer does not need a special steer statute to write you. If the pad says 13,100 and your sidewalls add to 12,350, you are over the rubber even if you are under 20,000. If the door sticker says 12,000 GAWR, you are over the manufacturer rating. If a state posts a lower figure on a particular road, that posting wins. Lowest number wins. That stack is why Google queries for steer axle weight limit by state keep converting even though the federal table does not list a unique steer row.
The Three-Number Stack: Statute, Sticker, Sidewall
Before you memorize any state cell in the chart below, lock this hierarchy. Every legal steer decision is the minimum of three independent ceilings. Crossing any one of them is enough for a citation, an out-of-service, a blowout, or a plaintiff lawyer later.
| Ceiling | Typical 2026 Figure | Where You Read It |
|---|---|---|
| Federal / state single axle | 20,000 Interstate; some states 22,000–22,400 off-system | FHWA / state DOT size-and-weight tables |
| Manufacturer GAWR | Often 12,000, 12,350, 13,200, or 14,600 | Certification label, driver door jamb |
| Combined tire load ratings | G-range pair ~12,350; H-range pair often 14,000+ | Sidewall max load at listed inflation |
Federal Motor Vehicle Safety Standard 120 is the quiet one. It requires that the sum of the maximum load ratings of the tires fitted to an axle is not less than the GAWR printed on the certification label. That is a fitment rule, not a scale-ticket rule. A tractor with a 12,500 lb steer GAWR and two 6,175 lb G-range tires is out of compliance even sitting empty in the yard. Load Range H is not optional once the sticker climbs past what G-range rubber can legally declare.
Steer Tire Load Chart (Common 22.5 Sizes)
Exact sidewall stamps vary by manufacturer, load range, and the inflation the rating assumes. Use this as a 2026 planning chart, then read your own tires. Duals are irrelevant here — a steer axle is two tires, period. Underinflation silently lowers the real-world capacity even when the stamp looks generous.
| Size / Range (typical) | One Tire | Steer Pair | Matches Common GAWR |
|---|---|---|---|
| 295/75R22.5 Load Range G | ~6,175 | ~12,350 | 12,000 and 12,350 stickers |
| 275/80R22.5 Load Range G | ~6,175 | ~12,350 | Same G-range family |
| 11R22.5 Load Range G | ~6,175 | ~12,350 | Still the 12k planning world |
| Same sizes, Load Range H | Often ~7,160 | Often ~14,320 | 12,500+ and 13.2k–14.6k stickers |
Related reading: tire blowout prevention and pre-trip tire inspection. A steer blowout at 65 mph is a different species of emergency than a drive dual coming apart. Overloaded, hot, underinflated steer tires are how that emergency gets scheduled.
Fifth-Wheel Notch Math (The Steer Tool)
Trailer tandem holes move weight between drives and trailer groups. They barely touch a light or heavy steer if the kingpin is sitting in the wrong place relative to the tractor's tandem. The fifth wheel is the lever. Sliding it so more of the trailer's kingpin load hangs over the drives unloads the bumper. Sliding it so more of that load hangs over the steer axle loads the bumper. Direction mistakes are expensive; drivers who grew up on vans sometimes slide the wrong way on the first heavy nose of the year.
| Notches Moved | @ 200 lb | @ ~350 lb | @ 500 lb |
|---|---|---|---|
| 1 | 200 | 350 | 500 |
| 2 | 400 | 700 | 1,000 |
| 3 | 600 | 1,050 | 1,500 |
| 4 | 800 | 1,400 | 2,000 |
- Steer heavy: fifth wheel toward the drives (rearward on the tractor slider) to dump pounds off the bumper.
- Steer light / drives heavy: fifth wheel forward can put legal weight back on the steers so drives come down.
- Both groups tight: stop sliding and call for a freight shift or refusal. Hardware cannot invent capacity.
Pair this chart with tandem hole chart by state when the ticket is a two-problem ticket: heavy steer plus heavy drives. Sequence is fifth wheel first for the nose, then tandem holes for the drive/trailer split, then a reweigh. Doing holes first and declaring victory is how you still blow a steer tire 40 miles later.
50-State Steer Planning Chart (Typical 2026 Flags)
Exact statutes, tolerances, and posted county roads change. Treat every cell as a typical 2026 planning flag, then confirm with the state DOT / enforcement publication for your trailer type and the road you will actually scale on. Asterisks mean some designated non-Interstate or state-system roads post a higher single-axle figure than the federal 20,000 lb Interstate baseline. The steer planning column is still the tire/GAWR world most five-axle vans live in.
| State | Typical Single | Steer Plan (lb) | What to Watch |
|---|---|---|---|
| Alabama | 20,000 | 12,000–12,350 | Interstate federal stack; tires bind first |
| Alaska | 20,000* | 12,000–14,000 | Confirm seasonal and route-specific postings |
| Arizona | 20,000 | 12,000–12,350 | Heat + underinflation raises blowout risk |
| Arkansas | 20,000 | 12,000–12,350 | Standard Interstate planning |
| California | 20,000 | 12,000–12,350 | CHP scales + KPRA spacing; tires still bind |
| Colorado | 20,000 | 12,000–12,350 | Mountain grades punish overloaded steers |
| Connecticut | 22,400* | 12,000–14,000 | Higher posted singles off some Interstates; tires still bind |
| Delaware | 20,000 | 12,000–12,350 | Federal Interstate baseline |
| Florida | 22,000* | 12,000–14,000 | Some state roads post higher singles |
| Georgia | 20,340* | 12,000–12,350 | Slight single-axle nuance; plan 12k steer |
| Hawaii | Varies | Tire/GAWR | Confirm Hawaii DOT for the island and route |
| Idaho | 20,000 | 12,000–12,350 | Permit corridors are a separate chart |
| Illinois | 20,000 | 12,000–12,350 | Bridge-formula culture; reweigh after any slide |
| Indiana | 20,000 | 12,000–12,350 | Busy Interstate scales |
| Iowa | 20,000 | 12,000–12,350 | Watch freeze-law county roads in spring |
| Kansas | 20,000 | 12,000–12,350 | Standard Interstate planning |
| Kentucky | 20,000 | 12,000–12,350 | Mountain and coal-permit routes are not this chart |
| Louisiana | 20,000 | 12,000–12,350 | Heat, bridges, and port approaches |
| Maine | 22,400* | 12,000–14,000 | Northeastern posted-single cluster |
| Maryland | 20,000 | 12,000–12,350 | Federal Interstate baseline |
| Massachusetts | 22,400* | 12,000–14,000 | Posted singles; downtown bridges still sting |
| Michigan | Unique | Confirm MI | Do not assume 80k/12k logic on every MI route |
| Minnesota | 20,000 | 12,000–12,350 | Seasonal frost restrictions inland |
| Mississippi | 20,000 | 12,000–12,350 | Standard Interstate planning |
| Missouri | 20,000 | 12,000–12,350 | I-70 / I-44 scale density |
| Montana | 20,000 | 12,000–12,350 | Off-system and permit weights are separate |
| Nebraska | 20,000 | 12,000–12,350 | Standard Interstate planning |
| Nevada | 20,000 | 12,000–12,350 | Heat and long grades |
| New Hampshire | 22,400* | 12,000–14,000 | Northeastern posted-single cluster |
| New Jersey | 22,400* | 12,000–14,000 | Turnpike/parkway postings; tires still bind |
| New Mexico | 21,600* | 12,000–14,000 | Some routes post higher singles |
| New York | 22,400* | 12,000–14,000 | Strict weighing culture; plan conservative steer |
| North Carolina | 20,000 | 12,000–12,350 | Federal Interstate baseline |
| North Dakota | 20,000 | 12,000–12,350 | Frost laws on non-Interstate |
| Ohio | 20,000 | 12,000–12,350 | Turnpike plus dense Interstate scales |
| Oklahoma | 20,000 | 12,000–12,350 | Standard Interstate planning |
| Oregon | 20,000 | 12,000–12,350 | Permit and mill-weight regimes off-system |
| Pennsylvania | 20,000 | 12,000–12,350 | Bridge sensitivity; conservative steer plan |
| Rhode Island | 22,400* | 12,000–14,000 | Northeastern posted-single cluster |
| South Carolina | 20,000 | 12,000–12,350 | Federal Interstate baseline |
| South Dakota | 20,000 | 12,000–12,350 | Frost and county postings |
| Tennessee | 20,000 | 12,000–12,350 | I-40 / I-75 scale density |
| Texas | 20,000 | 12,000–12,350 | Familiar 80k Interstate pattern; still reweigh |
| Utah | 20,000 | 12,000–12,350 | Grades and permit corridors |
| Vermont | 22,400* | 12,000–14,000 | Northeastern posted-single cluster |
| Virginia | 20,000 | 12,000–12,350 | Federal Interstate baseline |
| Washington | 20,000 | 12,000–12,350 | Permit and mountain routes off-system |
| West Virginia | 20,000 | 12,000–12,350 | Grades punish heavy steers |
| Wisconsin | 20,000 | 12,000–12,350 | Seasonal frost restrictions |
| Wyoming | 20,000 | 12,000–12,350 | Wind + grades; keep steers inside tire ratings |
Gross and group context: grossed-out weight limits by state and overweight truck penalties. A higher posted single axle in New York or New Jersey does not magically uprate your 6,175 lb G-range tires. Drivers get this backwards at the first Northeastern scale of a trip and then argue with a ticket that was really a rubber ticket.
Regional Exceptions Worth Charting Before You Leave
California
CHP will weigh you like it is a sport. KPRA / kingpin-to-rear-axle limits can make a tandem slide illegal even when axle pounds look pretty. Steer is still a tire-and-GAWR problem. Do not dump the nose onto the bumper to save a California spacing citation.
Michigan
Michigan axle culture is not a photocopy of the 80k Interstate hymn. Seasonal frost, unique configurations, and local postings mean the 12k planning number is a starting guess, not a passport. Confirm the route before you spec a heavy-steer load into Detroit or the Upper Peninsula.
Northeast posted singles
Connecticut, Maine, Massachusetts, New Hampshire, New Jersey, New York, Rhode Island, and Vermont often appear in 22,400 lb single-axle conversations on designated highways. That is extra single-axle room on some roads — it is not a license to run 14k on G-range steers.
Freeze-law North
Iowa, Minnesota, the Dakotas, Wisconsin, and parts of New England cut capacity on some roads during spring thaw. Fifth-wheel math cannot restore pounds a frost posting removed. Reroute or wait. See also weigh-station and skip-fine guides before you gamble on a closed coop.
CAT Scale Workflow When the Nose Is the Problem
- 1
Pull a full three-group ticket. See how to use a CAT Scale. Steer is the first number; do not only stare at drives.
- 2
Compare steer pounds to your personal cap: min(tire pair, GAWR, state). If you are over that cap, fifth wheel is the first tool — not tandem holes.
- 3
Estimate notches using 200–500 lb as a band; start conservative. Check that drives have room to absorb what you dump off the bumper.
- 4
Slide, seat the fifth-wheel lock, then fix drive/trailer with tandem holes if needed. Confirm KPRA if California is tonight's problem.
- 5
Reweigh. The cheap reweigh is always cheaper than a steer citation or a recap. Only then approach the coop.
Worked Ticket Examples
Example A — Steer 12,900 on G-range tires
Ticket: steer 12,900 · drives 33,100 · trailer 32,400 · gross 78,400. Sidewalls 6,175 × 2 = 12,350. Door sticker 12,350 GAWR.
You are about 550 over rubber. Drives have roughly 900 lbs of room under 34k. Slide the fifth wheel one to two notches rearward, reweigh. Tandem holes are optional cleanup, not the main move.
Example B — Steer light, drives 35,200
Ticket: steer 10,400 · drives 35,200 · trailer 32,600 · gross 78,200.
Steer has room. Fifth wheel forward can legally load the bumper and help the drives, then slide tandems back if the trailer still has capacity. Do not only slide holes and leave 10,400 on a perfectly good steer axle.
Example C — New York posted single vs G-range myth
Driver hears 22,400 single in New York and puts 13,800 on G-range steers. The state posting did not rewrite the sidewall. Plan 12,000–12,350 unless the tires and GAWR actually support more. Posted singles help spread axles and some straight trucks; they do not levitate a van's bumper tires.
Photograph the door sticker once
When the Steer Chart Is the Wrong Tool
| Problem on Ticket | First Tool | Steer-Chart Role |
|---|---|---|
| Steer heavy, drives have room | Fifth wheel rearward | Primary |
| Steer light, drives heavy | Fifth wheel forward, then holes | Primary for the nose share |
| Drives heavy, trailer light, steer fine | Slide tandems back | None — use the hole chart |
| Gross overweight | Offload / permit / refuse | None — notches do not delete pounds |
| Tires underrated vs GAWR | Correct rubber before the trip | Chart cannot legalize the fitment |
Shipper and Dispatch Conversations That Protect the Nose
The cheapest fifth-wheel slide is the one you never need because the dock did not brick the nose. Before you leave a shipper with a sketchy bill-of-lading weight, ask for pallet counts, piece weights, and whether the loader stacked dense freight in the first six feet. Photograph the pattern when seals and facility rules allow. Budget CAT time into hours of service before the first open coop. Call dispatch early if the first ticket shows a structural nose problem notches cannot absorb because drives are already at 34k.
Tools that help: axle weight calculator, weight distribution, and how to avoid an overweight truck. Owner-operators who want help pre-screening heavy freight can use O Trucking dispatch. Drivers comparing seats after too many scale fights can browse careers.
Build your own empirical notch chart
After three or four before/after CAT pairs on your tractor, divide pounds moved on the steer pad by notches slid. Dense nose freight and a high fifth-wheel setting will not match a light, even van. Write both numbers on a cab card. A personal chart calibrated to your kingpin height beats any published average — including ours.
Why Steer Overweight Is a Safety File, Not Just a Fine
Drive duals share a blowout. A steer tire does not. Overloading the bumper increases stopping distance, dulls steering feel, and raises the odds of a front-tire failure in a curve or on a hot descent. CSA vehicle-maintenance and unsafe-driving fallout follows the crash, not the CAT ticket you skipped. That is why we publish this as its own chart page instead of burying 12k inside a general axle explainer. Search intent for steer axle weight limit by state is a nose-weight intent. Answer it with tires, fifth wheel, and states — then send the reader to tandem holes only when the ticket actually needs holes.
Empty vs loaded context lives in empty vs loaded truck weight. A day cab with a 13,200 lb steer GAWR and H-range tires still goes to the coop with a light bumper when bobtailing; do not confuse bobtail geometry with loaded fifth-wheel geometry. See also bobtail truck weight and regulations.
Frequently Asked Questions
Is there a federal 12,000 lb steer axle weight limit?
There is no standalone federal statute that says steer axles are capped at 12,000 lbs. On the Interstate system the federal single-axle ceiling is 20,000 lbs. Drivers still plan around 12,000 lbs because that is where most Class 8 steer tire pairs and many manufacturer GAWR stickers actually bind. Enforcement uses the lowest of federal single-axle, state rule, door-jamb GAWR, and combined tire load ratings. Treat 12k as the 2026 planning number, not a magic federal carve-out.
What is the typical steer axle weight limit by state in 2026?
Most states follow the federal 20,000 lb single-axle Interstate baseline and then let tires and GAWR set the real ceiling near 12,000–14,000 lbs. A cluster of Northeastern states commonly posts 22,400 lbs on designated non-Interstate highways. Florida and a few others post higher single-axle figures on some state routes. Michigan, California kingpin spacing, freeze-law states, and permit corridors deserve extra checks. Confirm the scale state, not only the origin state, before you trust a chart.
How do steer tire load ratings cap the front axle?
Add the two sidewall load ratings. Popular Load Range G sizes such as 295/75R22.5, 275/80R22.5, and 11R22.5 are commonly rated about 6,175 lbs each, or 12,350 lbs as a pair. If the door sticker lists a 12,000 or 12,350 lb GAWR, those G-range tires usually match. A 12,500 lb or higher GAWR typically needs Load Range H rubber under 49 CFR 571.120, which requires the sum of tire maximums to meet or exceed GAWR. Aftermarket swaps that drop below the sticker create a compliance problem even if the scale ticket looks pretty.
Which way do I slide the fifth wheel to fix a heavy steer axle?
Slide the fifth wheel rearward (toward the sleeper is the wrong picture on many tractors — think toward the drive tires / away from the bumper) to dump weight off the steers and onto the drives. Sliding it forward loads the steer axle. Each notch commonly moves a few hundred pounds; many trainers use roughly 200–500 lbs per notch depending on tractor, kingpin height, and freight. Reweigh on a CAT Scale after every move. If drives are already near 34,000 lbs, a fifth-wheel slide can create a drive overweight, so you may need tandem holes or a freight shift as well.
Can I be legal on gross and illegal on the steer axle?
Yes. Gross vehicle weight, axle-group weight, bridge formula, and tire/GAWR are independent checks. A ticket can read 78,500 lbs gross with 12,900 on the steer and still earn a citation or an out-of-service if your tires, GAWR, or state rule sit at 12,000–12,350. Sliding trailer tandems will not reliably fix a steer problem. That is a fifth-wheel and load-placement problem first.
Does a CAT Scale ticket prove my steer tires are legal?
No. A CAT ticket proves pounds on the pad. It does not prove your sidewall ratings, inflation, dual mismatch, or 571.120 GAWR match. Officers can still write a tire or equipment violation if the rubber cannot legally carry the weight you just scaled. Carry the door-jamb photo and know the numbers stamped on both steer tires before you argue the booth.
How much weight does one fifth-wheel notch move on the steer?
There is no universal constant. A practical 2026 band is about 200–500 lbs of steer change per notch on a typical day-cab or sleeper tractor with a 53-ft van. Dense nose freight and a high fifth-wheel setting move more; a light, even load moves less. After two or three before/after tickets on your own truck, write your empirical lbs-per-notch on a cab card. That personal chart beats any internet average, including this page.
What should I do if the shipper loads the nose too heavy for my steer tires?
Do not leave the dock hoping tandem holes will save you. Photograph the load pattern when allowed, get piece weights on the bill of lading, and call dispatch before you seal if the nose looks like a brick. Options are a reload, a rear-shift of freight, a fifth-wheel already set rearward before you hook, or a refusal. Burning two CAT tickets and a sleeper berth to discover a structural nose problem is how CSA scores and blowouts happen. See our weight-distribution and CAT Scale guides for the scale-side workflow.
Why We Split Steer Charts from Axle-Group Explainers
Search intent is steer-first
Drivers Googling steer axle weight limit by state want 12k, tires, fifth wheel, and state flags — not a 34k tandem tutorial. We keep both pages and cross-link them so each URL can rank for the query it actually answers.
Dispatch screens the nose before you leave the shipper
The cheapest notch is zero because the load was refused or reworked at the dock. That is part of how we protect carrier CSA scores and steer tires that still have to get you home.
Heavy Freight on Your Own Authority?
O Trucking helps owner-operators pre-screen nose weight, tire ratings, and lanes so the first CAT Scale is a confirmation — not a steer crisis.