<SEC-DOCUMENT>0001140361-18-004884-index.html : 20180205
<SEC-HEADER>0001140361-18-004884.hdr.sgml : 20180205
<ACCEPTANCE-DATETIME>20180205092113
ACCESSION NUMBER:		0001140361-18-004884
CONFORMED SUBMISSION TYPE:	S-3ASR
PUBLIC DOCUMENT COUNT:		12
FILED AS OF DATE:		20180205
DATE AS OF CHANGE:		20180205
EFFECTIVENESS DATE:		20180205

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			KIRBY CORP
		CENTRAL INDEX KEY:			0000056047
		STANDARD INDUSTRIAL CLASSIFICATION:	WATER TRANSPORTATION [4400]
		IRS NUMBER:				741884980
		STATE OF INCORPORATION:			NV
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		S-3ASR
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	333-222858
		FILM NUMBER:		18572933

	BUSINESS ADDRESS:	
		STREET 1:		55 WAUGH DRIVE SUITE 1000
		CITY:			HOUSTON
		STATE:			TX
		ZIP:			77385
		BUSINESS PHONE:		7134351000

	MAIL ADDRESS:	
		STREET 1:		P.O. BOX 1745
		CITY:			HOUSTON
		STATE:			TX
		ZIP:			77251

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	KIRBY EXPLORATION CO INC
		DATE OF NAME CHANGE:	19900510
</SEC-HEADER>
<DOCUMENT>
<TYPE>S-3ASR
<SEQUENCE>1
<FILENAME>h10050035x1_s3asr.htm
<DESCRIPTION>S-3ASR
<TEXT>
Document 1 - file: h10050035x1_s3asr.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-4.1
<SEQUENCE>2
<FILENAME>h10050035x1_ex4-1.htm
<DESCRIPTION>EXHIBIT 4.1
<TEXT>
Document 2 - file: h10050035x1_ex4-1.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-5.1
<SEQUENCE>3
<FILENAME>h10050035x1_ex5-1.htm
<DESCRIPTION>EXHIBIT 5.1
<TEXT>
Document 3 - file: h10050035x1_ex5-1.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-5.2
<SEQUENCE>4
<FILENAME>h10050035x1_ex5-2.htm
<DESCRIPTION>EXHIBIT 5.2
<TEXT>
Document 4 - file: h10050035x1_ex5-2.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-12.1
<SEQUENCE>5
<FILENAME>h10050035x1_ex12-1.htm
<DESCRIPTION>EXHIBIT 12.1
<TEXT>
Document 5 - file: h10050035x1_ex12-1.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-23.1
<SEQUENCE>6
<FILENAME>h10050035x1_ex23-1.htm
<DESCRIPTION>EXHIBIT 23.1
<TEXT>
Document 6 - file: h10050035x1_ex23-1.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-25.1
<SEQUENCE>7
<FILENAME>h10050035x1_ex25-1.htm
<DESCRIPTION>EXHIBIT 25.1
<TEXT>
Document 7 - file: h10050035x1_ex25-1.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>8
<FILENAME>h10050035x1_ex5-1image001.jpg
<TEXT>
Document 8 - file: h10050035x1_ex5-1image001.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>9
<FILENAME>h10050035x1_ex251-ltrhd.jpg
<TEXT>
Document 9 - file: h10050035x1_ex251-ltrhd.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>10
<FILENAME>h10050035x1_ex251-seal.jpg
<TEXT>
Document 10 - file: h10050035x1_ex251-seal.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>11
<FILENAME>h10050035x1_ex251-sig.jpg
<TEXT>
Document 11 - file: h10050035x1_ex251-sig.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>12
<FILENAME>logo_kirby.jpg
<TEXT>
Document 12 - file: logo_kirby.jpg

</DOCUMENT>
</SEC-DOCUMENT>