<SEC-DOCUMENT>0001437749-23-016259-index.html : 20230531
<SEC-HEADER>0001437749-23-016259.hdr.sgml : 20230531
<ACCEPTANCE-DATETIME>20230531160523
ACCESSION NUMBER:		0001437749-23-016259
CONFORMED SUBMISSION TYPE:	SD
PUBLIC DOCUMENT COUNT:		1
<RULE>
<RULE-NAME>13p-1
<ITEM>
<ITEM-NUMBER>1.01
<ITEM-PERIOD>20221231
</ITEM>
</RULE>
FILED AS OF DATE:		20230531
DATE AS OF CHANGE:		20230531

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			NORTHWEST PIPE CO
		CENTRAL INDEX KEY:			0001001385
		STANDARD INDUSTRIAL CLASSIFICATION:	STEEL PIPE & TUBES [3317]
		IRS NUMBER:				930557988
		STATE OF INCORPORATION:			OR
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SD
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-27140
		FILM NUMBER:		23981004

	BUSINESS ADDRESS:	
		STREET 1:		201 NE PARK PLAZA DRIVE
		STREET 2:		SUITE 100
		CITY:			VANCOUVER
		STATE:			WA
		ZIP:			98684
		BUSINESS PHONE:		3603976250

	MAIL ADDRESS:	
		STREET 1:		201 NE PARK PLAZA DRIVE
		STREET 2:		SUITE 100
		CITY:			VANCOUVER
		STATE:			WA
		ZIP:			98684
</SEC-HEADER>
<DOCUMENT>
<TYPE>SD
<SEQUENCE>1
<FILENAME>nwpx20230408_sd.htm
<DESCRIPTION>FORM SD
<TEXT>
Document 1 - file: nwpx20230408_sd.htm

</DOCUMENT>
</SEC-DOCUMENT>