Look up a carrier / DOT 44035
USDOT 44035DUNCAN & SON LINES INC
12% of inspections ended in an out-of-service order.
This describes the roadside inspection record, not an official safety rating. FMCSA issues Satisfactory, Conditional and Unsatisfactory ratings through a separate compliance review, and most carriers have never been rated.
Inspection summary
| Inspections on file | 50 |
|---|---|
| Clean, no violations | 28 |
| Ended out of service | 6 |
| Out-of-service rate | 12.0% |
| Most recent | 2026-09-03 |
Showing the 50 most recent inspections held for this carrier. FMCSA keeps a rolling window, so this is a recent record rather than a lifetime one.
Recent inspections
| Date | State | Level | Violations | Service |
|---|---|---|---|---|
| 2026-09-03 | CA | Full | 0 | In service |
| 2026-09-02 | CA | Full | 0 | In service |
| 2026-09-01 | NM | Full | 0 | In service |
| 2026-08-28 | NM | Walk-around | 0 | In service |
| 2026-08-28 | NM | Driver only | 0 | In service |
| 2026-08-26 | AZ | Driver only | 1 | In service |
| 2026-08-25 | GA | Driver only | 0 | In service |
| 2026-08-21 | AZ | Walk-around | 2 | Out of service |
| 2026-08-20 | TX | Walk-around | 0 | In service |
| 2026-08-20 | CA | Walk-around | 1 | In service |
| 2026-08-16 | AR | Full | 2 | In service |
| 2026-08-15 | CA | Full | 0 | In service |
| 2026-08-13 | AZ | Walk-around | 1 | In service |
| 2026-08-11 | CO | Driver only | 3 | In service |
| 2026-08-06 | TX | Full | 2 | In service |
| 2026-08-04 | WA | Walk-around | 0 | In service |
| 2026-08-03 | CA | Walk-around | 0 | In service |
| 2026-08-03 | CA | Walk-around | 1 | In service |
| 2026-08-03 | CA | Walk-around | 0 | In service |
| 2026-07-31 | CA | Full | 0 | In service |
| 2026-07-31 | CA | Full | 0 | In service |
| 2026-07-30 | CA | Full | 2 | In service |
| 2026-07-29 | CA | Full | 0 | In service |
| 2026-07-28 | NV | Walk-around | 1 | In service |
| 2026-07-28 | AR | Walk-around | 0 | In service |
Violations found
Every violation recorded across the most recent inspections. An out-of-service violation means the vehicle or driver was ordered off the road at the roadside.
| Code | Violation | Service |
|---|---|---|
| 392.2-SLLEWA2 | State/Local Laws - Excessive weight - 2501-5000 lbs over on an axle/axle groups | In service |
| 393.203C-CBP | Cab and Body Parts - Hood not securely fastened | In service |
| 393.45B2UV | Brake Hose or Tubing Chafing and/or Kinking Under Vehicle | In service |
| 395.24 | HOS (ELD) - ELD Form and Manner | In service |
| 395.24 | HOS (ELD) - ELD Form and Manner | In service |
| 395.24 | HOS (ELD) - ELD Form and Manner | In service |
| 393.45C-BSG | Air Brake - Missing or inadequate Nonmetallic tubing spring guard | In service |
| 393.47E | Brake Out of Adjustment - Roto, Clamp (Short & Long), DD-3, or Bolt | In service |
| 393.53B-B | Air Brake - CMV manufactured on or after 10/20/1994 has an automatic airbrake adjustment system that fails to compensate for wear | In service |
| 392.2-SLLMF | State/Local Laws - Wheel (mud) flaps missing or defective | In service |
| 393.75A3-TAOL | Tires - All others, leaking or inflation less than 50% of the maximum inflation pressure on tire not equipped with ATIS | Out of service |
| 393.45D-BHTBS | Air Brake - Hose/tubing with a bulge/swelling when air pressure is applied | Out of service |
| 392.2-SLLEWA2 | State/Local Laws - Excessive weight - 2501-5000 lbs over on an axle/axle groups | In service |
Source: FMCSA Company Census, Vehicle Inspection File and Inspections and Violations, via data.transportation.gov. Refreshed daily. Verify against FMCSA directly before relying on any of this to tender a load.