KNIFE RIVER CORPORATION - MOUNTAIN WEST

USDOT 3111936 • DBA: KNIFE RIVER • 5450 W GOWEN RD, BOISE, ID, 83709

ACTIVEMotor Carrier

Authority:1 active

Insurance:1 current

BOC-3:On file

Safety Rating:Not rated

MCS-150:Never updated

OOS Orders:None

Overview

Company profile from FMCSA Census File

USDOT

3,111,936

Status

ACTIVE

Operation

Interstate

Business Type

Motor Carrier

State

Idaho

Phone

2083626152

[email protected]

Power Units (MCS-150)

374

Drivers (MCS-150)

275

MCS-150 Mileage

6,167,300

BOC-3 Agent

INTERSTATE AUTHORITY LLC

Physical Address

5450 W GOWEN RD, BOISE, ID, 83709

Contact

Phone: 2083626152

Email: [email protected]

Authority & Insurance

Operating authority, insurance filings, and BOC-3 status

Common Carrier — Active

Active Authority

Revoked / Inactive

Authority Types

Insurance Policies

1 active

Latest: Mar 20, 2018

BOC-3 Filing

On file

Operating Authority

fmcsa-authhistApr 5, 2026

Operating Authority
Authority Type	Docket #	Status	Original Date	Final Date
Common Carrier	MC-083161	ACTIVE	Unknown	Unknown

Active Insurance (1)

fmcsa-insurApr 5, 2026

Active Insurance (1)
Insurer	Type	Policy #	Status	Effective	Cancel Date
LIBERTY MUTUAL FIRE INSURANCE CO.	BIPD/Primary	AI2-641-005097-05	ON FILE	Mar 20, 2018	Mar 20, 2018

Insurance History (1 canceled/expired)

fmcsa-inshist-allwithhistory

Insurance History (1 canceled/expired)
Insurer	Type	Policy #	Status	Effective	Cancel Date
LIBERTY MUTUAL FIRE INSURANCE CO.	BIPD/Primary	AI2-641-005097-05	REPLACED	Mar 20, 2018	Mar 20, 2018

Insurance Events Timeline

fmcsa-insur-hist

Insurance Events Timeline
Event	Insurer	Policy #	Type	Event Date	Cancel Date
TERM/REPL	LIBERTY MUTUAL FIRE INSURANCE CO.	AI2-641-005097-05	BIPD/Primary	Mar 20, 2018	Mar 20, 2018
TERM/REPL	LIBERTY MUTUAL FIRE INSURANCE CO.	AI2-641-005097-05	BIPD/Primary	Mar 20, 2018	Mar 20, 2018

Authority Action History (1 events)

fmcsa-authhist-blob

Authority Action History (1 events)
Docket	Authority Type	Original Action	Served Date	Disposition	Decided Date
MC083161	MOTOR PROPERTY COMMON CARRIER	GRANTED	Apr 6, 2018	—	Unknown

Safety & Inspections

SMS BASIC scores, inspection history, and out-of-service rates

SMS BASIC Scores

Hours of Service

N/A

Higher percentile = worse safety performance relative to peers. Scores at or above 75% trigger FMCSA alerts.

Inspections

Violations

7 OOS

Vehicle OOS %

14.7%

Driver OOS %

2.9%

Power Units (MCS-150)

374

Drivers (MCS-150)

275

Crash Records

Inspection Activity (24 months)

Monthly inspection counts with OOS months highlighted. Hover bars for details.

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Jan

Feb

Mar

Apr

Clean monthMonth with OOSBased on latest 34 of 34 inspection records

Inspection Activity Map

5 states • 34 inspections

None Low Medium High🚛 Home base

Violation Summary (52 violations from 34 inspections)

fmcsa-inspection-file

Violation Summary (52 violations from 34 inspections)
Code	Description	# Violations	# OOS	Severity Wt	BASIC
FMCSR:392.2	Operating a CMV while ill or fatigued	7	0	8	Unsafe Driving
FMCSR:392.16-D	Failing to use seat belt (49 CFR)	5	0	3	Unsafe Driving
FMCSR:392.16(a)	Failing to use seat belt (49 CFR)	4	0	3	Unsafe Driving
FMCSR:396.3(a)(1)	Inspection/repair/maintenance - general	3	2	5	Vehicle Maintenance
FMCSR:392.2-SLLS1	Speeding 1-5 mph over limit	2	0	3	Unsafe Driving
FMCSR:393.9A-LIL	Inoperable required lamps	2	0	3	Vehicle Maintenance
FMCSR:396.17(c)	No proof of periodic inspection	2	0	3	Vehicle Maintenance
FMCSR:392.2-SLLSWZ	Operating a CMV while ill or fatigued	1	0	8	Unsafe Driving
FMCSR:393.130B-CHVE	Cargo securement - heavy equipment	1	1	7	Vehicle Maintenance
FMCSR:391.41APC	Medical (Certificate) - Operating a property-carrying vehicle without a valid medical certificate in possession or on file with the state drivers licensing agency	1	1	—	Driver Fitness
FMCSR:393.78A-WS	Windshield condition defective	1	0	4	Vehicle Maintenance
FMCSR:393.9A-LLPL	Inoperable required lamps	1	0	3	Vehicle Maintenance
FMCSR:393.100B-C	Cargo securement - aggregate working load	1	1	6	Vehicle Maintenance
FMCSR:393.95A4-EEUS	Emergency Equipment - Fire Extinguishers - unsecured	1	0	—	Vehicle Maintenance
FMCSR:393.9B-LSLO	Lighting - Stop lamps - Any obscured	1	0	—	Vehicle Maintenance
FMCSR:392.2-SLLMF	Operating a CMV while ill or fatigued	1	0	8	Unsafe Driving
FMCSR:393.95A1	Emergency Equipment - Fire Extinguishers - no fire extinguisher present or not properly rated.	1	0	—	Vehicle Maintenance
FMCSR:393.95F	Emergency Equipment - Stopped vehicle warning devices missing or improper	1	0	—	Vehicle Maintenance
FMCSR:393.75A3-TAOL	Tires - All others leaking or inflation less than 50% of the maximum inflation pressure on tire not equipped with ATIS	1	1	—	Vehicle Maintenance
FMCSR:392.2-SLLSIV	Operating a CMV while ill or fatigued	1	0	8	Unsafe Driving
FMCSR:393.55C2	Coupling device/towing methods defective	1	0	8	Vehicle Maintenance
FMCSR:393.43(d)	Brake - relay emergency valve	1	1	7	Vehicle Maintenance
FMCSR:393.9(a)	Inoperable required lamps	1	0	3	Vehicle Maintenance
FMCSR:393.78(a)	Windshield condition defective	1	0	4	Vehicle Maintenance
FMCSR:383.71(c)	383.71(c)	1	0	—	Driver Fitness
FMCSR:393.75(a)(2)	Tire-tread and/or sidewall separation	1	0	—	Vehicle Maintenance
FMCSR:393.55(d)(2)	Coupling device/towing methods defective	1	0	8	Vehicle Maintenance
FMCSR:396.5(b)	Fuel system leak	1	0	7	Vehicle Maintenance
FMCSR:391.41(a)(1)	391.41(a)(1)	1	0	—	Driver Fitness
FMCSR:393.47(e)	Slack adjuster defective	1	0	7	Vehicle Maintenance
FMCSR:393.53(b)	Steering system components worn	1	0	7	Vehicle Maintenance
FMCSR:393.78	Windshield condition defective	1	0	4	Vehicle Maintenance
FMCSR:393.95(b)	Emergency equipment - warning devices missing	1	0	4	Vehicle Maintenance
FMCSR:393.95(f)	Emergency Equipment - Stopped vehicle warning devices missing or improper	1	0	—	Vehicle Maintenance

Peer Context

This carrier vs national averages. Lower is better for all metrics.

Vehicle OOS Rate

14.7%vs nat'l 23.4%

-8.7 pts below avg

Driver OOS Rate

2.9%vs nat'l 6.7%

-3.8 pts below avg

Violations / Inspection

1.53vs nat'l 1.80

-0.27 below avg

National averages: vehicle OOS 23.4%, driver OOS 6.7%, violations per inspection ~1.8. Based on FMCSA MCSAP program data.

Inspection History (34 inspections)

fmcsa-inspectionsApr 5, 2026

Inspection History (34 inspections)
Date	Report #	Station	State	Level	Vehicle	Violations	Top Codes	OOS
Sep 24, 2025	85877139	CALDWELL ID	ID	Level 3	FORD STRAIGHT TRUCK	1	392.2-SLLSWZ	No
Aug 27, 2025	85619191	SAGE JUNCTION ID	ID	Level 2	KALYN CO. SEMI-TRAILER	1	393.130B-CHVE	Yes
Aug 15, 2025	85518242	FORT HALL ID	ID	Level 3	OSHKOSH MO STRAIGHT TRUCK	1	392.2-SLLS1	No
Aug 14, 2025	85502558	LEWISTON ID	ID	Level 3	COURIER STRAIGHT TRUCK	1	392.16-D	No
Aug 13, 2025	85491517	LEWISTON ID	ID	Level 3	FORD STRAIGHT TRUCK	2	392.16-D, 391.41APC	Yes
Aug 11, 2025	85466959	IDAHO FALLS ID	ID	Level 2	FORD STRAIGHT TRUCK	2	393.78A-WS, 393.9A-LIL	No
Jul 22, 2025	85330270	CLARKSTON WA	WA	Level 2	UNPUBLISHE SEMI-TRAILER	4	393.9A-LLPL, 393.100B-C, 393.95A4-EEUS	Yes
Jun 24, 2025	85037966	CALDWELL ID	ID	Level 3	MACLTT SEMI-TRAILER	1	392.2-SLLS1	No
Jun 3, 2025	84860625	POCATELLO ID	ID	Level 2	FORD STRAIGHT TRUCK	3	392.2-SLLMF, 393.95A1, 393.95F	No
May 1, 2025	84553370	HUNTINGTON OR	OR	Level 2	MAC LTT SEMI-TRAILER	1	393.75A3-TAOL	Yes
Jan 16, 2025	83635325	LEWISTON ID	ID	Level 3	FORD STRAIGHT TRUCK	2	392.16-D, 392.2-SLLSIV	No
Dec 12, 2024	83388686	CASPER POE	WY	Level 1	KW TRUCK TRACTOR	0	—	No
Nov 6, 2024	83102075	LEWISTON ID	ID	Level 2	PETERBILT STRAIGHT TRUCK	1	392.16-D	No
Oct 3, 2024	82855120	IDAHO FALLS ID	ID	Level 1	FORD STRAIGHT TRUCK	2	393.9A-LIL, 393.55C2	No
Sep 24, 2024	82753828	IDAHO FALLS ID	ID	Level 1	FORD STRAIGHT TRUCK	3	392.2, 393.43(d), 393.9(a)	Yes
Aug 27, 2024	82517818	SAGE JUNCTION ID	ID	Level 1	OSHKOSH MO STRAIGHT TRUCK	2	393.78(a), 396.3(a)(1)	No
Aug 7, 2024	82368251	IDAHO FALLS ID	ID	Level 3	OSHKOSH MO STRAIGHT TRUCK	0	—	No
Aug 6, 2024	82323693	BOISE ID	ID	Level 3	KENWORTH STRAIGHT TRUCK	2	392.2, 383.71(c)	No
Aug 5, 2024	82311655	REXBURG ID	ID	Level 3	OSHKOSH MO STRAIGHT TRUCK	1	392.16(a)	No
Jul 31, 2024	82275155	BOISE ID	ID	Level 3	KENWORTH TRUCK TRACTOR	2	392.2, 396.17(c)	No
Jun 18, 2024	82025764	I15MP116	ID	Level 3	OSHK STRAIGHT TRUCK	1	392.2	No
Jun 14, 2024	81887114	MERIDIAN ID	ID	Level 3	WANC SEMI-TRAILER	1	392.16(a)	No
Nov 30, 2023	80319294	IDAHO FALLS ID	ID	Level 2	KENWORTH STRAIGHT TRUCK	0	—	No
Oct 17, 2023	79956187	SH128MP1	ID	Level 3	KW TRUCK TRACTOR	1	392.16(a)	No
Oct 12, 2023	79927100	LEWISTON ID	ID	Level 3	FORD STRAIGHT TRUCK	1	392.16-D	No
Aug 30, 2023	79560882	BEACHES CORNER PORT OF ENTRY	ID	Level 2	KW STRAIGHT TRUCK	0	—	No
Aug 25, 2023	79523429	ALPINE POE	WY	Level 2	TRLR SEMI-TRAILER	1	393.75(a)(2)	No
Aug 22, 2023	79474809	Roadside	MT	Level 1	KW TRUCK TRACTOR	2	393.55(d)(2), 396.5(b)	No
Aug 7, 2023	79355614	I84MP22	ID	Level 3	FORD STRAIGHT TRUCK	2	392.2, 391.41(a)(1)	No
Aug 2, 2023	79308278	BOISE	ID	Level 3	KW STRAIGHT TRUCK	1	392.2	No
Jul 28, 2023	79271629	I15MP73	ID	Level 3	FORD STRAIGHT TRUCK	1	392.16(a)	No
Jun 28, 2023	79029889	ALPINE POE	WY	Level 1	KW STRAIGHT TRUCK	9	396.3(a)(1), 392.2, 396.17(c)	Yes
May 9, 2023	78587359	SAGE JUNCTION PORT OF ENTRY	ID	Level 2	KW TRUCK TRACTOR	0	—	No
May 4, 2023	78545157	IDAHO FALLS	ID	Level 3	OSHK STRAIGHT TRUCK	0	—	No

Inspection analytics

Monthly cadence, frequent stations, and violation mix

Inspections per month (24 mo)

22 total · 22.7% OOS

2024-062025-09

InspectionsOOS

Most frequent inspection stations

LEWISTON ID5 · 1 OOS

IDAHO FALLS ID5 · 1 OOS

BOISE ID2

CALDWELL ID2

SAGE JUNCTION ID2 · 1 OOS

ALPINE POE2 · 1 OOS

I15MP731

I15MP1161

Violations by BASIC category

Vehicle Maintenance28 · 6 OOS

Unsafe Driving21

Driver Fitness3 · 1 OOS

Recent Crashes

14 crash records from FMCSA Crash File

Total Crashes

Fatalities

Injuries

Across 6 crashes

Tow-Aways

Crash History (14 records)

fmcsa-crash-fileApr 5, 2026

Crash History (14 records)
Date	State	Severity	Injuries	City	Location	VIN	Carrier Name at Crash
Nov 5, 2025	ID	INJURY	1	EMMETT	SH 52	...223477	KNIFE RIVER CORPORATION - MOUNTAIN WEST
Nov 4, 2025	ID	INJURY	2	IDAHO FALLS	YELLOWSTONE HWY	...787019	KNIFE RIVER CORPORATION - MOUNTAIN WEST
Jun 13, 2024	ID	TOW	0	KUNA	KUNA RD	...226698	KNIFE RIVER
Apr 10, 2024	ID	INJURY	1	RIGGINS	MAIN	...226416	KNIFE RIVER CORPORATION - MOUNTAIN WEST
May 4, 2023	ID	INJURY	1	IDAHO FALLS	PROFESSIONAL	...791322	KNIFE RIVER
Aug 4, 2022	ID	TOW	0	NAMPA	2ND SOUTH ST	...724651	KNIFE RIVER
Aug 24, 2021	ID	TOW	0	MIDVALE	US 95	...439583	KNIFE RIVER CORPORATION - MOUNTAIN WEST
Jul 27, 2021	ID	TOW	0	IDAHO FALLS	105 WEST	...067157	KNIFE RIVER CORPORATION - MOUNTAIN WEST
Jun 21, 2021	ID	TOW	0	BOISE	PLEASANT VALLEY RD	...470583	KNIFE RIVER
Feb 9, 2021	ID	TOW	0	IDAHO FALLS	US 91	...081726	KNIFE RIVER CORPORATION - MOUNTAIN WEST
Oct 27, 2020	ID	TOW	0	—	—	—	—
Aug 9, 2019	ID	INJURY	2	—	—	—	—
Jan 3, 2019	ID	INJURY	1	—	—	—	—
May 30, 2018	ID	TOW	0	—	—	—	—