Safety Measurement System - Inspection ID4128001599 (U.S. DOT# 3111936)

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United States Department of Transportation

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Use of SMS Data/Information

FAST Act of 2015:

Readers should not draw conclusions about a carrier's overall safety condition simply based on the data displayed in this system. Unless a motor carrier has received an UNSATISFACTORY safety rating under part 385 of title 49, Code of Federal Regulations, or has otherwise been ordered to discontinue operations by the Federal Motor Carrier Safety Administration, it is authorized to operate on the Nation's roadways.

Safety Measurement System:

The data in the Safety Measurement System (SMS) is performance data used by the Agency and Enforcement Community. A symbol, based on that data, indicates that FMCSA may prioritize a motor carrier for further monitoring.

The symbol is not intended to imply any federal safety rating of the carrier pursuant to 49 USC 31144. Readers should not draw conclusions about a carrier's overall safety condition simply based on the data displayed in this system. Unless a motor carrier in the SMS has received an UNSATISFACTORY safety rating pursuant to 49 CFR Part 385, or has otherwise been ordered to discontinue operations by the FMCSA, it is authorized to operate on the nation's roadways.

Motor carrier safety ratings are available at http://safer.fmcsa.dot.gov and motor carrier licensing and insurance status are available at http://li-public.fmcsa.dot.gov/.

Detailed Inspection Report as of 12/26/2025

Carrier Information

Carrier Name: Knife River Corporation - Mountain West
U.S. DOT#: 3111936
Carrier Address: 5450 W Gowen Rd
Boise, ID 83709

Time/Location

Report #: ID4128001599
Report State: ID
State: ID
Date: 9/24/2024
Start Time: 1400
End Time: 1430
Level: I. Full
Facility: Roadside
Post Crash Inspection: No
Hazmat Placard Required: No

Vehicle Information

Unit	Type	Make	Plate State	Plate Number	VIN
1	Straight Truck	FORD	ID	YJ4672	1FDRF3HT2GEC26202
2	Semi-Trailer	C & B QUAL	ID	TT4862	4JUBU10237N027333

Carrier Violations

Vio Code	Section	Unit	OOS	Description	Included in SMS	BASIC	Reason Not Included in SMS
392.2-SLLTCD	392.2	Driver	No	State/Local Laws - Failed To Obey A Traffic Control Device - Permanent Or Temporary - E.G., Safety Official, Signal, Sign, Light, Lane Marking, Other	Yes	Unsafe Driving
393.43DBMA	393.43(d)	2	Yes	Brake - Breakaway Not Attached To The Towing Vehicle	Yes	Vehicle Maint.
393.9A-LIL	393.9(a)	1	No	Lighting - Identification Lamp(S) Inoperative	Yes	Vehicle Maint.