Texas Overweight Fines for 18-Wheelers: The Cost of Heavy Loads
Texas enforces axle-weight limits strictly. Overweight citations for commercial vehicles (Class 8, 18-wheelers) follow a **graduated per-axle schedule**—and costs escalate fast.
Fine Schedule (Per Axle Group)
| Excess Weight | Fine per 1,000 lbs (or fraction) |
| Up to 1,000 lbs | $100 |
| 1,001–2,000 lbs | $200 |
| 2,001–3,000 lbs | $300 |
| 3,001–4,000 lbs | $400 |
| 4,001–5,000 lbs | $500 |
| Over 5,000 lbs | $500 + court discretion |
Critical Multipliers
- Tandem Axles (2 axles, 4 tires each): **Double** the per-1,000-lbs fine.
- Tridem Axles (3 axles): **Triple** the fine.
- Gross Weight Violations: Separate schedule (up to $2,500 +).
Example Calculation
Tandem axle group **3,500 lbs over** limit:
- Base: 3,500 lbs → 4 × $400 = $1,600 (for 3,001–4,000 bracket).
- Tandem multiplier: **×2 = $3,200**.
- + Court costs (~$100–$300).
- **Total: ~$3,300–$3,500.**
Additional Costs
- Towing/Impound: $500–$2,000+ if ordered off road.
- Storage: $50–$100/day.
- Downtime Revenue Loss: $300–$500/day per truck.
- CSA Points: 7–10 severity points → higher insurance, audits.
- Permit Costs: If you *had* an oversize/overweight permit but violated its terms: additional penalties.
Key Defenses
- Scale calibration/tolerance (TX allows 5%? No—statutory limits are absolute; but *enforcement* tolerance varies).
- Load shift (documented).
- Permit coverage (valid, correct axle config, route).
Bottom line: A routine 2,000-lb tandem overweight = **~$800+**. A bad one = **$5,000+ + downtime**. Invest in onboard scales, permit planning, and route surveys.