Knife River Safety Record
DOT# 3111936 · Boise, ID 83709 · 2083626152
Legal name: Knife River Corporation - Mountain West
Excellent safety record — scored 15/100 (lower is better). This carrier has one of the best inspection records on file.
Last inspected 09/24/2025
Safety Score Breakdown · 15/100 points
Lower scores are better. How is this calculated?
According to FMCSA records, Knife River (DOT# 3111936) in Boise, Idaho has 33 inspections on record with 51 violations and a 18.2% vehicle out-of-service rate and 4 crashes. Safety grade: A (excellent safety record). Active common authority.
Out-of-Service Rates vs. National Average
An out-of-service (OOS) violation means a vehicle or driver was found unsafe to operate during a roadside inspection and was prohibited from continuing until the issue was corrected.
Violation Categories · 51 total violations
FMCSA groups violations into Behavioral Analysis and Safety Improvement Categories (BASICs). Each violation found during a roadside inspection is classified into a category that reflects the type of safety risk.
Inspection History · 33 records
FMCSA inspections range from Level 1 (full vehicle and driver examination) to Level 6 (enhanced motorcoach inspection). Level 1 is the most thorough; Levels 2 and 3 are walk-around and driver-only checks.
| Date | State | Veh OOS | Drv OOS |
|---|---|---|---|
| 09/24/2025 | ID | 0 | 0 |
| 08/27/2025 | ID | 1 | 0 |
| 08/15/2025 | ID | 0 | 0 |
| 08/14/2025 | ID | 0 | 0 |
| 08/13/2025 | ID | 0 | 1 |
| 08/11/2025 | ID | 0 | 0 |
| 07/22/2025 | WA | 1 | 0 |
| 06/24/2025 | ID | 0 | 0 |
| 06/03/2025 | ID | 0 | 0 |
| 05/01/2025 | OR | 1 | 0 |
Crash History · 4 records
| Date | State | Fatalities | Injuries | Tow-Aways |
|---|---|---|---|---|
| 13-JUN-24 | ID | 0 | 0 | 0 |
| 10-APR-24 | ID | 0 | 1 | 0 |
| 05-NOV-25 | ID | 0 | 1 | 0 |
| 04-NOV-25 | ID | 0 | 2 | 0 |
Authority & Insurance
FMCSA operating authority permits interstate for-hire transportation. Carriers must maintain minimum insurance coverage levels to keep authority active. BIPD (bodily injury and property damage) insurance is required for all for-hire carriers.
| Type | Insurer | Coverage |
|---|---|---|
| BIPD/Primary | Liberty Mutual Fire Insurance Co. | $1,000 |
Fleet Profile
Power units include trucks, tractors, and other commercial motor vehicles registered to the carrier. Driver count reflects the total number of drivers reported on the carrier's MCS-150 filing.