Safety Measurement System - Inspection ID4120000631 (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 #: ID4120000631
Report State: ID
State: ID
Date: 8/27/2025
Start Time: 1044
End Time: 1102
Level: II. Walk-Around
Facility: Fixed Site
Post Crash Inspection: No
Hazmat Placard Required: No

Vehicle Information

Unit	Type	Make	Plate State	Plate Number	VIN
1	Truck Tractor	KENWORTH	ID	AK4893	1XKDP4TX5FJ424116
2	Semi-Trailer	KALYN CO.	ID	TJ4690	5DDKM243X61001992

Carrier Violations

Vio Code	Section	Unit	OOS	Description	Included in SMS	BASIC	Reason Not Included in SMS
393.130B-CHVE	393.130(b)	2	Yes	Heavy Vehicles/Equipment - Improper Securement Of Accessory Equipment Or Articulated Vehicles	Yes	Vehicle Maint.