License Plate MS A521030 (Mississippi) — Steel Rock Services Llc
USDOT 4107596 · 2025 Western Star 49X Chassis
Recorded vehicle, plate and carrier history
These are dated observations in the records available to us. They do not establish ownership, a sale, a transfer date, or continuous use between observations. The latest observation may not describe today’s vehicle or carrier.
| Observed dates | VIN | Plate | Reported carrier |
|---|---|---|---|
| 2025-12-13 | 5KJJBWDR4SLVG2137 | MS A521030 | STEEL ROCK SERVICES LLC · USDOT 4107596 |
Evidence: FMCSA inspection observations and retained snapshots of our vehicle records. Coverage is incomplete; an unreported change cannot be dated from these records.
Most recently recorded carrier for this plate
Steel Rock Services Llc Active
- USDOT
- 4107596
- MC
- 1568254
- Status
- Active
- Type
- Motor Carrier
- Based in
- Laurel, MS
- Power units
- 29
- Drivers
- 9
- Inspections (24 mo)
- 12
- Crashes (24 mo)
- 2
- Vehicle OOS rate
- 41.7%
Carrier recorded at the latest inspection in the available records (2025-12-13). This does not establish current ownership or confirm that the carrier still operates this vehicle.
View full carrier profile →Authority, insurance & bonds, safety scores, crash history, inspections and the full fleet list.
What this means
License plate MS-A521030 appears in FMCSA inspection records 1 time. Recorded on one vehicle: VIN 5KJJBWDR4SLVG2137 (2025 Western Star 49X Chassis). Most recent operating carrier: Steel Rock Services Llc (USDOT 4107596). Vehicle make on file: Western Star (WSTR) (TRUCK TRACTOR). 1 out-of-service result across all inspections.
About this plate
Commercial license plate MS-A521030 (Mississippi) appears in FMCSA roadside inspection records tied to one commercial vehicle. The most recent inspection activity under this plate was 2025-12-13. The latest inspection was in Texas, a Level II — walk-around inspection of the driver and the vehicle. That is outside the plate's issuing jurisdiction (Mississippi).
Vehicle on this plate
This plate is associated with a single vehicle, a 2025 Western Star 49X Chassis — VIN 5KJJBWDR4SLVG2137 (truck tractor).
Combined inspection & out-of-service record
Across all vehicles on this plate there are 1 inspection on FMCSA record. The records show 1 out-of-service violation across 1 inspection. OOS breakdown: 1 driver. The leading violation category is Fatigued Driving (HOS) (1). Fatigued Driving (HOS) covers hours-of-service limits and logbook / ELD records.
Operators
Operated by Steel Rock Services Llc (USDOT 4107596) in every inspection on record.
Vehicle detail (inspections per unit)
FMCSA BASIC safety category breakdown
| BASIC Category | Violations | Status |
|---|---|---|
| Fatigued Driving (HOS) | 1 | — Minor |
| Vehicle Maintenance | 0 | ✓ Clean |
| Unsafe Driving | 0 | ✓ Clean |
| Driver Fitness | 0 | ✓ Clean |
| Controlled Substances | 0 | ✓ Clean |
| Hazmat | 0 | ✓ Clean |