One Source Rock Works Llc is an active intrastate non-hazmat carrier based in Linn Creek, MO.
No insurance filings on record.
View on FMCSA L&I| Vehicle Type | Owned | Term Leased | Trip Leased |
|---|---|---|---|
| Straight Trucks | 7 | 0 | 0 |
| Tractors | 1 | 0 | 0 |
| Trailers | 4 | 0 | 0 |
| Total Power Units | 8 | ||
Distinct vehicles · 24 mo
vs 8 self-reported (MCS-150)
Top makes
Registered in
Higher values = more violations. 0 = clean record.
| Category | Insp w/ Viol |
|---|
| Category | vs. Cohort | vs. State | Reading |
|---|---|---|---|
| Unsafe Driving | 0% | 0% | Better than most peers |
| HOS Compliance | 0% | 0% | Better than most peers |
| Driver Fitness | 94% | 96% | Worse than most peers |
| Controlled Substances | 0% | 0% | Better than most peers |
| Vehicle Maintenance | 89% | 93% | Worse than most peers |
Lower percentile = lower SMS measure = stronger safety record. Computed nightly across active carriers in the same state and fleet-size band.
| Type | Inspections | OOS | OOS % | Nat'l Avg |
|---|---|---|---|---|
| Driver | 0 | 1 | — | 6.67% |
| Vehicle | 0 | 1 | — | 22.26% |
| Hazmat | 0 | 0 | — | 4.44% |
Where they run
Inspected in 1 state. Top state MO accounts for 100% of activity. Activity outside home state (MO): 0%.
| Period | Fatalities | Injuries | Tow-away | Total |
|---|---|---|---|---|
| No crashes recorded | 0 | 0 | 0 | 0 |
Most-cited violation codes
| BASIC Category | Total | Severe | OOS |
|---|---|---|---|
| Vehicle Maintenance | 9 | 2 |
| Date | State | Vehicle | Violations | OOS |
|---|---|---|---|---|
| Jun 2, 2025 | MO | TRUCK TRACTOR | 0 | 0 |
| Apr 9, 2025 | MO | TRUCK TRACTOR | 4 | 1 |
| Oct 3, 2024 | MO | TRUCK TRACTOR | 6 | 1 |
| Measure |
|---|
| Alert |
|---|
| Unsafe Driving | 0 | 0.00 | — |
| HOS Compliance | 0 | 0.00 | — |
| Vehicle Maintenance | 2 | 11.60 | — |
| Driver Fitness | 1 | 2.00 | — |
| Controlled Substances | 0 | 0.00 | — |
| 1 |
| Driver Fitness | 1 | 1 | 1 |
| Date |
|---|
| Code |
|---|
| Description |
|---|
| BASIC |
|---|
| OOS |
|---|
| Apr 9, 2025 | 39347E | Brake Out of Adjustment - Roto Clamp (Short & Long) DD-3 or Bolt | Vehicle Maintenance | — |
| Apr 9, 2025 | 39375A3TAOL | Tires - All others leaking or inflation less than 50% of the maximum inflation pressure on tire not equipped with ATIS | Vehicle Maintenance | Yes |
| Apr 9, 2025 | 39395A4EEUS | Emergency Equipment - Fire Extinguishers - unsecured | Vehicle Maintenance | — |
| Apr 9, 2025 | 3939AHLLH | Lighting - Headlamp(s) fail to operate on low and high beam | Vehicle Maintenance | — |
| Oct 3, 2024 | 38351ALCDLRSWD | License (CDL) - A person required to have a CLP or CDL who is disqualified must not drive a CMV | Driver Fitness | Yes |
| Oct 3, 2024 | 39381H | Horn - Inoperative or defective | Vehicle Maintenance | — |
| Oct 3, 2024 | 39395A1 | Emergency Equipment - Fire Extinguishers - no fire extinguisher present or not properly rated. | Vehicle Maintenance | — |
| Oct 3, 2024 | 3939ALIL | Lighting - Identification lamp(s) inoperative | Vehicle Maintenance | — |
| Oct 3, 2024 | 39617CPI | Operating a CMV without documentation of a periodic inspection | Vehicle Maintenance | — |
| Oct 3, 2024 | 3965BL | Lubrication - Oil or grease leak | Vehicle Maintenance | — |