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VALIDATED

KNIFE RIVER CORPORATION - MOUNTAIN WEST

Trust Score

95 Excellent
Excellent Why this score?
Company CheckKNIFE RIVER CORPORATION - MOUNTAIN WEST · DOT 3111936
DBA: KNIFE RIVER
5450 W GOWEN RD, BOISE, ID, 83709
DOT# 3111936 MC# 83161 Boise, Idaho 8 years
CARRIER
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374
Power Units
275
Drivers
3
Crashes (24-Month)
$1,000,000
Insurance
Not Rated
Safety Rating
33
Inspections
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Public record

8 events tracked · latest Sep 8, 2026 Show details
Safety & compliance 7
  • Aug 5, 2026
    Roadside inspection, 1 out-of-service violation.
  • Jul 1, 2026
    Clean roadside inspection, no violations.
  • Jun 24, 2026
    Roadside inspection, 1 out-of-service violation.
  • Jun 24, 2026
    Crash reported (no fatalities).
  • May 11, 2026
    Crash reported (no fatalities).
  • Apr 14, 2026
    Crash reported (no fatalities).
  • Apr 9, 2026
    Roadside inspection, 1 violation (no OOS).
Insurance 1
  • Current
    Active insurance on file ($1,000,000).
Public FMCSA record · blue clean · orange change · red risk.

Company Information

Legal NameKNIFE RIVER CORPORATION - MOUNTAIN WEST
DBA NameKNIFE RIVER
DOT Number3111936
MC Number83161
Entity TypeCarrier
Operating StatusA - Active
LocationBoise, Idaho
Added03/20/2018
MCS-15006/23/2025

Contact Details

Physical Address5450 W GOWEN RD, BOISE, ID, 83709
Mailing Address5450 W GOWEN RD, BOISE, ID, 83709

Operating Authorities

Authority TypePRIVATE PROPERTY;AUTHORIZED FOR HIRE
Carrier OperationA - Interstate
DocketMC083161
CommonActive
ContractNot Active
BrokerNot Active
Operating8 years

All Docket Numbers

MC83161

Cargo Transported

Metal; Sheets, Coils, RollsMotor VehiclesBuilding MaterialsMachinery, Large ObjectsLiquids/GasesUtilityConstructionAn Aggregates-Led Construction Materials

Operation Classification

Authorized For HirePrivate (Property)

SMS BASIC Scores

FMCSA safety categories, last 24 months. Above Cutoff = FMCSA flags a problem · Below cutoff = within limits · Clean = no violations.
Unsafe Driving
measure .3 · 11 insp with violations
Below cutoff
Hours-of-Service Compliance
measure 0 · 0 insp with violations
Clean
Driver Fitness
measure .51 · 2 insp with violations
Below cutoff
Controlled Substances / Alcohol
measure 0 · 0 insp with violations
Clean
Vehicle Maintenance
measure 5.61 · 9 insp with violations
Below cutoff
Source: FMCSA SMS, updated monthly.

Mileage

Annual Mileage6,167,300 miles
Mileage Year2024
VMT SourceMCS-150 Form

Drivers

275
Interstate
0
Intrastate
0
CDL
275
Total
Interstate >100mi0
Interstate <100mi0
Intrastate >100mi0
Intrastate <100mi0

Equipment

No equipment breakdown on file with FMCSA.

HazMatYes

Safety Summary

Safety RatingNot Rated
Total Crashes (24-mo)3
Fatal0
Driver OOS4.3% avg 5.5%
Vehicle OOS40.0% avg 20.7%
SmartWay PartnerNo

Insurance

Amount$1,000,000
Type91X
VerifiedFMCSA · 06/21/2026
CompanyLIBERTY MUTUAL FIRE INSURANCE CO.
Policy #AI2-641-005097-05
Last checked09/08/2026

Quick Facts

StatusActive
TypeCarrier
Fleet374 units
Drivers275
Mileage6,167,300 mi
Operating8 years
MCS-15006/2025

Safety & Inspection Data

Crash Summary
Total Crashes (24-mo)3
Fatal0
Injury2
Tow-Away1
Driver Inspections
Total23
Out of Service1
OOS Rate4.3%
National Avg5.5%
Below National Average
Vehicle Inspections
Total10
Out of Service4
OOS Rate40.0%
National Avg20.7%
Above National Average

Safety Trends by Year

Roadside inspections and crashes on file, year over year. The red portion of each inspection bar is the out-of-service share; ▲/▼ compares to the prior year.

Inspections · red = OOS
2023
6 · 0 OOS -
2024
11 · 1 OOS
2025
11 · 4 OOS
2026
4 · 2 OOS
Crashes
2023
0 crashes -
2024
2 crashes
2025
2 crashes =
2026
3 crashes
Based on FMCSA crash and roadside inspection records (rolling 3-year window). The latest year may be partial.

Out-of-Service Summary Last 24 months

Live FMCSA roadside inspections through Aug 2026, 19 inspections, 7 resulted in out-of-service (36.8% OOS rate).

Driver Out-of-Service 2 OOS
Vehicle Out-of-Service 5 OOS
Live FMCSA roadside inspection records, refreshed monthly.

Crash Records (7)

Full crash history on file (all years), newest first. This list may show more than the headline Crashes figure above, because that figure follows the official FMCSA 24-month SMS window used for the Trust Score, older crashes still appear here for transparency.
DateLocationStateFatalInjuriesTowVehiclesWeatherRoadLight
06/24/2026 WENDELL ID 0 1 1 1 Clear Dry Daylight
05/11/2026 CHUBBUCK ID 0 0 1 1 Clear Dry Daylight
04/14/2026 CALDWELL ID 0 0 1 2 Clear Dry Daylight
11/05/2025 EMMETT ID 0 1 0 2 Severe Crosswinds Wet Daylight
11/04/2025 IDAHO FALLS ID 0 2 1 7 Severe Crosswinds Dry Daylight
06/13/2024 KUNA ID 0 0 1 3 Clear Dry Daylight
04/10/2024 RIGGINS ID 0 1 0 2 Clear Dry Daylight

Roadside Violations by Safety Category Last 24 months

48 roadside violations across 19 inspections, grouped into FMCSA safety-behavior categories. The shaded portion shows how many were serious enough to result in an out-of-service order.

ViolationsOut-of-service
Vehicle Maintenance 33 violations · 10 OOS
Unsafe Driving 13 violations · 0 OOS
Driver Fitness 2 violations · 2 OOS
Categories follow FMCSR violation parts (Part 393/396 = Vehicle Maintenance, Part 395 = HOS; "Other" = general/administrative parts such as 390). Raw violation counts and out-of-service results, not FMCSA percentile rankings, which are not published for property carriers.

Inspection Records (32)

DateStateLevelLocationViolationsOOSDriver ViolDriver OOSVehicle ViolVehicle OOSHazMat
08/05/2026 ID Walk-Around (Level II) SAGE JUNCTION ID 2 1 0 0 2 1 - Detail
07/01/2026 ID Walk-Around (Level II) SAGE JUNCTION ID 0 0 0 0 0 0 - Detail
06/24/2026 ID Full (Level I) WENDELL ID 20 1 3 1 2 0 - Detail
04/09/2026 ID Driver-Only (Level III) BOISE ID 1 0 1 0 0 0 - Detail
09/24/2025 ID Driver-Only (Level III) CALDWELL ID 1 0 0 0 0 0 - Detail
08/27/2025 ID Walk-Around (Level II) SAGE JUNCTION ID 1 1 0 0 0 1 - Detail
08/15/2025 ID Driver-Only (Level III) FORT HALL ID 1 0 0 0 0 0 - Detail
08/14/2025 ID Driver-Only (Level III) LEWISTON ID 1 0 0 0 0 0 - Detail
08/13/2025 ID Driver-Only (Level III) LEWISTON ID 2 1 0 1 0 0 - Detail
08/11/2025 ID Walk-Around (Level II) IDAHO FALLS ID 2 0 0 0 0 0 - Detail
07/22/2025 WA Walk-Around (Level II) CLARKSTON WA 4 1 0 0 0 1 - Detail
06/24/2025 ID Driver-Only (Level III) CALDWELL ID 1 0 0 0 0 0 - Detail
06/03/2025 ID Walk-Around (Level II) POCATELLO ID 3 0 0 0 0 0 - Detail
05/01/2025 OR Walk-Around (Level II) HUNTINGTON OR 1 1 0 0 0 1 - Detail
01/16/2025 ID Driver-Only (Level III) LEWISTON ID 2 0 0 0 0 0 - Detail
12/12/2024 WY Full (Level I) CASPER POE 0 0 0 0 0 0 - Detail
11/06/2024 ID Walk-Around (Level II) LEWISTON ID 1 0 0 0 0 0 - Detail
10/03/2024 ID Full (Level I) IDAHO FALLS ID 2 0 0 0 0 0 - Detail
09/24/2024 ID Full (Level I) IDAHO FALLS ID 3 1 0 0 0 1 - Detail
08/27/2024 ID Full (Level I) SAGE JUNCTION ID 2 0 0 0 0 0 - Detail
08/07/2024 ID Driver-Only (Level III) IDAHO FALLS ID 0 0 0 0 0 0 - Detail
08/06/2024 ID Driver-Only (Level III) BOISE ID 2 0 0 0 0 0 - Detail
08/05/2024 ID Driver-Only (Level III) REXBURG ID 1 0 0 0 0 0 - Detail
07/31/2024 ID Driver-Only (Level III) BOISE ID 2 0 0 0 0 0 - Detail
06/18/2024 ID Driver-Only (Level III) I15MP116 1 0 1 0 0 0 - Detail
06/14/2024 ID Driver-Only (Level III) MERIDIAN ID 1 0 0 0 0 0 - Detail
11/30/2023 ID Walk-Around (Level II) IDAHO FALLS ID 0 0 0 0 0 0 - Detail
10/17/2023 ID Driver-Only (Level III) SH128MP1 1 0 1 0 0 0 - Detail
10/12/2023 ID Driver-Only (Level III) LEWISTON ID 1 0 0 0 0 0 - Detail
08/30/2023 ID Walk-Around (Level II) BEACHES CORNER PORT OF ENTRY 0 0 0 0 0 0 - Detail
08/25/2023 WY Walk-Around (Level II) ALPINE POE 1 0 0 0 1 0 - Detail
08/22/2023 MT Full (Level I) CAMERON 2 0 0 0 2 0 - Detail
Detailed Inspection Report

Safety Performance Percentiles

FMCSA SMS percentile rankings. Higher percentile = worse performance relative to peers.

Total Inspections23
Unsafe Driving 11 viols
Driver Fitness 2 viols
Vehicle Maintenance 9 viols

Licensing & Insurance

FormTypeInsurance CompanyPolicyCoverageEffectiveCancel DateMethod
91XBIPD/PrimaryLIBERTY MUTUAL FIRE INSURANCE CO.AI2-641-005097-05$1,000,00003/20/201803/20/2018Replaced
91XBIPD/PrimaryLIBERTY MUTUAL FIRE INSURANCE CO.AI2-641-005097-05$750,00003/20/201803/20/2018Replaced

No active insurance policies.

DocketTypeActionServedDispositionDisp Date
MC083161MOTOR PROPERTY COMMON CARRIERGRANTED04/06/2018--

No revocation records.

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