    <SEC-DOCUMENT>0001628280-23-037516-index.html : 20231108
    <SEC-HEADER>0001628280-23-037516.hdr.sgml : 20231108
    <ACCEPTANCE-DATETIME>20231107214121
    ACCESSION NUMBER:		0001628280-23-037516
    CONFORMED SUBMISSION TYPE:	424B4
    PUBLIC DOCUMENT COUNT:		6
    FILED AS OF DATE:		20231108
    DATE AS OF CHANGE:		20231107

    FILER:

    	COMPANY DATA:
    		COMPANY CONFORMED NAME:			Knife River Corp
    		CENTRAL INDEX KEY:			0001955520
    		STANDARD INDUSTRIAL CLASSIFICATION:	MINING, QUARRYING OF NONMETALLIC MINERALS (NO FUELS) [1400]
    		IRS NUMBER:				921008893
    		STATE OF INCORPORATION:			DE
    		FISCAL YEAR END:			1231

    	FILING VALUES:
    		FORM TYPE:		424B4
    		SEC ACT:		1933 Act
    		SEC FILE NUMBER:	333-274692
    		FILM NUMBER:		231385730

    	BUSINESS ADDRESS:
    		STREET 1:		1150 W. CENTURY AVE,
    		CITY:			BISMARCK
    		STATE:			ND
    		ZIP:			58503
    		BUSINESS PHONE:		701-530-1400

    	MAIL ADDRESS:
    		STREET 1:		1200 WEST CENTURY AVENUE
    		CITY:			BISMARCK
    		STATE:			ND
    		ZIP:			58503

    	FORMER COMPANY:
    		FORMER CONFORMED NAME:	Knife River Holding Co
    		DATE OF NAME CHANGE:	20221121
    </SEC-HEADER>
    <DOCUMENT>
    <TYPE>424B4
    <SEQUENCE>1
    <FILENAME>kniferivercorporation-fina.htm
    <DESCRIPTION>424B4
    <TEXT>
    Document 1 - file: kniferivercorporation-fina.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>2
    <FILENAME>business1a.jpg
    <TEXT>
    Document 2 - file: business1a.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>3
    <FILENAME>business2a.jpg
    <TEXT>
    Document 3 - file: business2a.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>4
    <FILENAME>kniferiverlogo.jpg
    <TEXT>
    Document 4 - file: kniferiverlogo.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>5
    <FILENAME>kniferiverlogo1.jpg
    <TEXT>
    Document 5 - file: kniferiverlogo1.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>6
    <FILENAME>logo1a.jpg
    <TEXT>
    Document 6 - file: logo1a.jpg

    </DOCUMENT>
    </SEC-DOCUMENT>