DBA: Knife River
Concrete Inc is an active intrastate non-hazmat carrier based in Stockton, CA.
No insurance filings on record.
View on FMCSA L&I| Vehicle Type | Owned | Term Leased | Trip Leased |
|---|---|---|---|
| Straight Trucks | 79 | 0 | 0 |
| Tractors | 6 | 0 | 0 |
| Trailers | 8 | 0 | 0 |
| Total Power Units | 85 | ||
Distinct vehicles · 24 mo
vs 85 self-reported (MCS-150)
Top makes
Registered in
Higher values = more violations. 0 = clean record.
| Category |
|---|
| Category | vs. Cohort | vs. State | Reading |
|---|---|---|---|
| Unsafe Driving | 51% | 93% | Around peer average |
| HOS Compliance | 0% | 0% | Better than most peers |
| Driver Fitness | 0% | 0% | Better than most peers |
| Controlled Substances | 100% | 100% | Worse than most peers |
| Vehicle Maintenance | 81% | 90% | 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 | 4 | — | 22.26% |
| Hazmat | 0 | 0 | — |
| Period | Fatalities | Injuries | Tow-away | Total |
|---|---|---|---|---|
| Jan 1, 2026 | 0 | 0 | 1 | 1 |
| Apr 1, 2025 | 0 | 1 | 1 | 1 |
Most-cited violation codes
| BASIC Category | Total | Severe | OOS |
|---|---|---|---|
| Vehicle Maintenance | 6 | 1 | 3 |
| Date | State | Vehicle | Violations | OOS |
|---|---|---|---|---|
| Feb 26, 2026 | CA | TRUCK TRACTOR | 2 | 1 |
| Aug 25, 2025 | CA | STRAIGHT TRUCK | 0 | 0 |
| Aug 25, 2025 | CA | STRAIGHT TRUCK | 0 | 0 |
| Jul 16, 2025 | CA | STRAIGHT TRUCK | 0 | 1 |
| Insp w/ Viol |
|---|
| Measure |
|---|
| Alert |
|---|
| Unsafe Driving | 1 | 0.08 | — |
| HOS Compliance | 0 | 0.00 | — |
| Vehicle Maintenance | 4 | 4.25 | — |
| Driver Fitness | 0 | 0.00 | — |
| Controlled Substances | 1 | 0.47 | — |
| 4.44% |
Where they run
Inspected in 1 state. Top state CA accounts for 100% of activity. Activity outside home state (CA): 0%.
| Controlled Substances/​Alcohol | 1 | 1 | 1 |
| Unsafe Driving | 1 | 1 | 0 |
| Jul 14, 2025 |
| CA |
| STRAIGHT TRUCK |
| 0 |
| 0 |
| May 15, 2025 | CA | STRAIGHT TRUCK | 0 | 0 |
| Feb 18, 2025 | CA | STRAIGHT TRUCK | 2 | 2 |
| Dec 4, 2024 | CA | STRAIGHT TRUCK | 0 | 0 |
| Nov 19, 2024 | CA | STRAIGHT TRUCK | 3 | 1 |
| Oct 24, 2024 | CA | TRUCK TRACTOR | 0 | 0 |
| Date | Code | Description | BASIC | OOS |
|---|---|---|---|---|
| Feb 26, 2026 | 39345B2BAIR | Air Brake - Hose/tubing damaged or not secured | Vehicle Maintenance | — |
| Feb 26, 2026 | 39345B2BHTD | Air Brake - Hose/tubing damage into the outer reinforcement ply. | Vehicle Maintenance | Yes |
| Feb 18, 2025 | 39215SSF | Drugs/Other Substances - Operating a CMV while recorded as prohibited from performing safety-sensitive functions. | Controlled Substances/​Alcohol | Yes |
| Feb 18, 2025 | 3939BLRLIWR | Lighting - Tail lamp - Both lamps on rearmost vehicle inoperative when required to be on | Vehicle Maintenance | Yes |
| Nov 19, 2024 | 39216AD | Driver - Failed to use seat belt while operating a CMV. | Unsafe Driving | — |
| Nov 19, 2024 | 39311A1LRR | Lighting - Reflex reflector(s) missing or improper | Vehicle Maintenance | — |
| Nov 19, 2024 | 39345B2BHTD | Air Brake - Hose/tubing damage into the outer reinforcement ply. | Vehicle Maintenance | Yes |
| Aug 26, 2024 | 39347E | Brake Out of Adjustment - Roto Clamp (Short & Long) DD-3 or Bolt | Vehicle Maintenance | — |