<SEC-DOCUMENT>0001437749-23-032780-index.html : 20231121
<SEC-HEADER>0001437749-23-032780.hdr.sgml : 20231121
<ACCEPTANCE-DATETIME>20231121163930
ACCESSION NUMBER:		0001437749-23-032780
CONFORMED SUBMISSION TYPE:	S-3
PUBLIC DOCUMENT COUNT:		7
FILED AS OF DATE:		20231121
DATE AS OF CHANGE:		20231121

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:		S-3
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	333-275691
		FILM NUMBER:		231428777

	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>S-3
<SEQUENCE>1
<FILENAME>nwpx20231113_s3.htm
<DESCRIPTION>FORM S-3
<TEXT>
Document 1 - file: nwpx20231113_s3.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-4.4
<SEQUENCE>2
<FILENAME>ex_596944.htm
<DESCRIPTION>EXHIBIT 4.4
<TEXT>
Document 2 - file: ex_596944.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-5.1
<SEQUENCE>3
<FILENAME>ex_596945.htm
<DESCRIPTION>EXHIBIT 5.1
<TEXT>
Document 3 - file: ex_596945.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-23.2
<SEQUENCE>4
<FILENAME>ex_596946.htm
<DESCRIPTION>EXHIBIT 23.2
<TEXT>
Document 4 - file: ex_596946.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-FILING FEES
<SEQUENCE>5
<FILENAME>ex_596515.htm
<DESCRIPTION>EXHIBIT FILING FEES
<TEXT>
Document 5 - file: ex_596515.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>6
<FILENAME>buchalter2.jpg
<TEXT>
Document 6 - file: buchalter2.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>7
<FILENAME>nwpx20231113_s3img001.jpg
<TEXT>
Document 7 - file: nwpx20231113_s3img001.jpg

</DOCUMENT>
</SEC-DOCUMENT>