Knife River Midwest Llc is an active interstate carrier based in Sioux City, IA.
No insurance filings on record.
View on FMCSA L&I| Vehicle Type | Owned | Term Leased | Trip Leased |
|---|---|---|---|
| Straight Trucks | 73 | 0 | 0 |
| Tractors | 22 | 0 | 0 |
| Trailers | 74 | 0 | 0 |
| Total Power Units | 103 | ||
Distinct vehicles · 24 mo
vs 103 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 | 15% | 81% | Better than most peers |
| HOS Compliance | 0% | 0% | Better than most peers |
| Driver Fitness | 98% | 97% | Worse than most peers |
| Controlled Substances | 0% | 0% | Better than most peers |
| Vehicle Maintenance | 28% | 85% | Better 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 | 2 | — | 6.67% |
| Vehicle | 0 | 1 | — | 22.26% |
| Hazmat | 0 | 0 | — |
| Period | Fatalities | Injuries | Tow-away | Total |
|---|---|---|---|---|
| Oct 1, 2024 | 0 | 1 | 1 | 1 |
Most-cited violation codes
| BASIC Category | Total | Severe | OOS |
|---|---|---|---|
| Vehicle Maintenance | 3 | 0 | 1 |
| Date | State | Vehicle | Violations | OOS |
|---|---|---|---|---|
| Aug 13, 2025 | NE | STRAIGHT TRUCK | 3 | 1 |
| Jul 31, 2025 | NE | STRAIGHT TRUCK | 1 | 1 |
| Jun 23, 2025 | NE | STRAIGHT TRUCK | 0 | 0 |
| May 15, 2025 | NE | STRAIGHT TRUCK | 0 | 0 |
| Measure |
|---|
| Alert |
|---|
| Unsafe Driving | 2 | 0.11 | — |
| HOS Compliance | 0 | 0.00 | — |
| Vehicle Maintenance | 2 | 2.10 | — |
| Driver Fitness | 2 | 1.25 | — |
| Controlled Substances | 0 | 0.00 | — |
| 4.44% |
Where they run
Inspected in 3 states. Top state SD accounts for 39% of activity. Activity outside home state (IA): 72%.
| Driver Fitness | 2 | 2 | 2 |
| Unsafe Driving | 2 | 0 | 0 |
| May 13, 2025 |
| IA |
| STRAIGHT TRUCK |
| 0 |
| 0 |
| May 13, 2025 | IA | STRAIGHT TRUCK | 0 | 0 |
| Feb 27, 2025 | IA | TRUCK TRACTOR | 0 | 0 |
| Nov 11, 2024 | IA | STRAIGHT TRUCK | 0 | 0 |
| Nov 5, 2024 | SD | STRAIGHT TRUCK | 0 | 0 |
| Oct 17, 2024 | SD | TRUCK TRACTOR | 0 | 0 |
| Date | Code | Description | BASIC | OOS |
|---|---|---|---|---|
| Aug 13, 2025 | 3922SLLS2 | State/Local Laws - Speeding 6-10 miles per hour over the speed limit | Unsafe Driving | — |
| Aug 13, 2025 | 39343DBMA | Brake - Breakaway not attached to the towing vehicle | Vehicle Maintenance | Yes |
| Aug 13, 2025 | 39617CPI | Operating a CMV without documentation of a periodic inspection | Vehicle Maintenance | — |
| Jul 31, 2025 | 38351ASIN | Driving a CMV while CDL is suspended for a safety-related or unknown reason and in state of driver's license issuance | Driver Fitness | Yes |
| Oct 7, 2024 | 3922SLLS2 | State/Local Laws - Speeding 6-10 miles per hour over the speed limit | Unsafe Driving | — |
| Aug 19, 2024 | 39111B4DEN | Driver operating a CMV without proper endorsements or in violation of restrictions | Driver Fitness | Yes |
| Aug 19, 2024 | 39378 | Wipers - Inoperative / missing / damaged wipers | Vehicle Maintenance | — |