DBA: Knife River
Knife River Corporation - Mountain West is an active interstate carrier based in Boise, ID.
No insurance filings on record.
View on FMCSA L&I| Vehicle Type | Owned | Term Leased | Trip Leased |
|---|---|---|---|
| Straight Trucks | 242 | 80 | 0 |
| Tractors | 29 | 15 | 0 |
| Trailers | 305 | 0 | 0 |
| Total Power Units | 374 | ||
Distinct vehicles · 24 mo
vs 374 self-reported (MCS-150)
Top makes
Registered in
Higher values = more violations. 0 = clean record.
| Category |
|---|
| Category | vs. Cohort | vs. State | Reading |
|---|---|---|---|
| Unsafe Driving | 50% | 90% | Around peer average |
| HOS Compliance | 0% | 0% | Better than most peers |
| Driver Fitness | 75% | 93% | Worse than most peers |
| Controlled Substances | 0% | 0% | Better than most peers |
| Vehicle Maintenance | 100% | 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 |
|---|---|---|---|---|
| Oct 1, 2025 | 0 | 3 | 1 | 2 |
Most-cited violation codes
| BASIC Category | Total | Severe | OOS |
|---|---|---|---|
| Vehicle Maintenance | 17 | 4 | 4 |
| Date | State | Vehicle | Violations | OOS |
|---|---|---|---|---|
| Sep 24, 2025 | ID | STRAIGHT TRUCK | 1 | 0 |
| Aug 27, 2025 | ID | TRUCK TRACTOR | 1 | 1 |
| Aug 15, 2025 | ID | STRAIGHT TRUCK | 0 | 0 |
| Aug 14, 2025 | ID | STRAIGHT TRUCK | 1 | 0 |
| Insp w/ Viol |
|---|
| Measure |
|---|
| Alert |
|---|
| Unsafe Driving | 11 | 0.26 | — |
| HOS Compliance | 0 | 0.00 | — |
| Vehicle Maintenance | 8 | 7.40 | — |
| Driver Fitness | 1 | 0.18 | — |
| Controlled Substances | 0 | 0.00 | — |
| 4.44% |
Where they run
Inspected in 4 states. Top state ID accounts for 86% of activity. Activity outside home state (ID): 14%.
| Unsafe Driving |
| 11 |
| 9 |
| 0 |
| Driver Fitness | 1 | 0 | 1 |
| Aug 13, 2025 |
| ID |
| STRAIGHT TRUCK |
| 2 |
| 1 |
| Aug 11, 2025 | ID | STRAIGHT TRUCK | 2 | 0 |
| Jul 22, 2025 | WA | STRAIGHT TRUCK | 4 | 1 |
| Jun 24, 2025 | ID | TRUCK TRACTOR | 0 | 0 |
| Jun 3, 2025 | ID | STRAIGHT TRUCK | 3 | 0 |
| May 1, 2025 | OR | TRUCK TRACTOR | 1 | 1 |
| Date | Code | Description | BASIC | OOS |
|---|---|---|---|---|
| Sep 24, 2025 | 3922SLLSWZ | State/Local Laws - Speeding work/construction zone | Unsafe Driving | — |
| Aug 27, 2025 | 393130BCHVE | Heavy Vehicles/Equipment - Improper securement of accessory equipment or articulated vehicles | Vehicle Maintenance | Yes |
| Aug 14, 2025 | 39216D | Driver - Failed to use seat belt while operating a CMV | Unsafe Driving | — |
| Aug 13, 2025 | 39141APC | Medical (Certificate) - Operating a property-carrying vehicle without a valid medical certificate in possession or on file with the state drivers licensing agency | Driver Fitness | Yes |
| Aug 13, 2025 | 39216D | Driver - Failed to use seat belt while operating a CMV | Unsafe Driving | — |
| Aug 11, 2025 | 39378AWS | Washers - Inoperative washing system. | Vehicle Maintenance | — |
| Aug 11, 2025 | 3939ALIL | Lighting - Identification lamp(s) inoperative | Vehicle Maintenance | — |
| Jul 22, 2025 | 393100BC | Cargo - Cargo not secured to prevent leaking/spilling/blowing/falling from CMV | Vehicle Maintenance | Yes |
| Jul 22, 2025 | 39395A4EEUS | Emergency Equipment - Fire Extinguishers - unsecured | Vehicle Maintenance | — |
| Jul 22, 2025 | 3939ALLPL | Lighting - License plate lamp inoperative | Vehicle Maintenance | — |