Riverside Winnelson Co is an active intrastate non-hazmat carrier based in Grand Terrace, CA.
No insurance filings on record.
View on FMCSA L&I| Vehicle Type | Owned | Term Leased | Trip Leased |
|---|---|---|---|
| Straight Trucks | 8 | 1 | 0 |
| Total Power Units | 9 | ||
Distinct vehicles · 24 mo
vs 9 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 | 73% | 93% | Around peer average |
| HOS Compliance | 0% | 0% | Better than most peers |
| Driver Fitness | 0% | 0% | Better than most peers |
| Controlled Substances | 0% | 0% | Better than most peers |
| Vehicle Maintenance | 77% | 91% | 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 | 0 | — | 6.67% |
| Vehicle | 0 | 5 | — | 22.26% |
| Hazmat | 0 | 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 | 14 | 4 |
| Date | State | Vehicle | Violations | OOS |
|---|---|---|---|---|
| Jan 28, 2026 | CA | STRAIGHT TRUCK | 2 | 1 |
| Jan 15, 2026 | CA | STRAIGHT TRUCK | 0 | 0 |
| Dec 22, 2025 | CA | STRAIGHT TRUCK | 0 | 0 |
| Oct 30, 2025 | CA | STRAIGHT TRUCK | 0 | 0 |
| Oct 8, 2025 |
| Measure |
|---|
| Alert |
|---|
| Unsafe Driving | 1 | 0.55 | — |
| HOS Compliance | 0 | 0.00 | — |
| Vehicle Maintenance | 8 | 4.63 | — |
| Driver Fitness | 0 | 0.00 | — |
| Controlled Substances | 0 | 0.00 | — |
| 4.44% |
Where they run
Inspected in 1 state. Top state CA accounts for 100% of activity. Activity outside home state (CA): 0%.
| 8 |
| Unsafe Driving | 1 | 0 | 0 |
| CA |
| STRAIGHT TRUCK |
| 0 |
| 0 |
| Sep 10, 2025 | CA | STRAIGHT TRUCK | 0 | 0 |
| Jul 8, 2025 | CA | STRAIGHT TRUCK | 1 | 1 |
| Apr 1, 2025 | CA | STRAIGHT TRUCK | 1 | 0 |
| Feb 3, 2025 | CA | STRAIGHT TRUCK | 2 | 1 |
| Oct 11, 2024 | CA | STRAIGHT TRUCK | 1 | 1 |
| Date | Code | Description | BASIC | OOS |
|---|---|---|---|---|
| Jan 28, 2026 | 393100BC | Cargo - Cargo not secured to prevent leaking/spilling/blowing/falling from CMV | Vehicle Maintenance | Yes |
| Jan 28, 2026 | 39395A4EEUS | Emergency Equipment - Fire Extinguishers - unsecured | Vehicle Maintenance | — |
| Jul 8, 2025 | 3929A2C | Cargo - Vehicle components or dunnage not secured | Vehicle Maintenance | Yes |
| Apr 1, 2025 | 3939ALLPL | Lighting - License plate lamp inoperative | Vehicle Maintenance | — |
| Feb 3, 2025 | 3939ALSLI | Lighting - Stop lamps - Any inoperative. | Vehicle Maintenance | — |
| Feb 3, 2025 | 3939ALTSI | Lighting - Turn signal - Any inoperative on the rearmost vehicle. | Vehicle Maintenance | Yes |
| Oct 11, 2024 | 393100CC | Cargo - Cargo not secured against shifting | Vehicle Maintenance | Yes |
| Oct 7, 2024 | 3922SLLTCD | State/Local Laws - Failed to obey a traffic control device - Permanent or Temporary - e.g. safety official signal sign light lane marking other | Unsafe Driving | — |
| Aug 27, 2024 | 3929A1 | Failing to secure cargo as specified in 49 CFR 393.100 through 393.142 | Vehicle Maintenance | Yes |
| Jun 11, 2024 | 39375A3 | Tire-flat and/or audible air leak | Vehicle Maintenance | Yes |