<SEC-DOCUMENT>0001193125-15-386575-index.html : 20151124
<SEC-HEADER>0001193125-15-386575.hdr.sgml : 20151124
<ACCEPTANCE-DATETIME>20151124124636
ACCESSION NUMBER:		0001193125-15-386575
CONFORMED SUBMISSION TYPE:	N-Q
PUBLIC DOCUMENT COUNT:		2
CONFORMED PERIOD OF REPORT:	20150930
FILED AS OF DATE:		20151124
DATE AS OF CHANGE:		20151124
EFFECTIVENESS DATE:		20151124

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			BlackRock Utility & Infrastructure Trust
		CENTRAL INDEX KEY:			0001528988
		IRS NUMBER:				000000000
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1031

	FILING VALUES:
		FORM TYPE:		N-Q
		SEC ACT:		1940 Act
		SEC FILE NUMBER:	811-22606
		FILM NUMBER:		151251817

	BUSINESS ADDRESS:	
		STREET 1:		55 EAST 52ND STREET
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10055
		BUSINESS PHONE:		(800) 882-0052

	MAIL ADDRESS:	
		STREET 1:		55 EAST 52ND STREET
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10055
</SEC-HEADER>
<DOCUMENT>
<TYPE>N-Q
<SEQUENCE>1
<FILENAME>d87249dnq.htm
<DESCRIPTION>BLACKROCK UTILITY & INFRASTRUCTURE TRUST
<TEXT>
Document 1 - file: d87249dnq.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.CERT
<SEQUENCE>2
<FILENAME>d87249dex99cert.htm
<DESCRIPTION>CERTIFICATION PURSUANT TO SECTION 302
<TEXT>
Document 2 - file: d87249dex99cert.htm

</DOCUMENT>
</SEC-DOCUMENT>