<SEC-DOCUMENT>0000844779-17-000313-index.html : 20170828
<SEC-HEADER>0000844779-17-000313.hdr.sgml : 20170828
<ACCEPTANCE-DATETIME>20170828150959
ACCESSION NUMBER:		0000844779-17-000313
CONFORMED SUBMISSION TYPE:	NSAR-A
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20170630
FILED AS OF DATE:		20170828
DATE AS OF CHANGE:		20170828
EFFECTIVENESS DATE:		20170828

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:		NSAR-A
		SEC ACT:		1940 Act
		SEC FILE NUMBER:	811-22606
		FILM NUMBER:		171054434

	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>NSAR-A
<SEQUENCE>1
<FILENAME>buianswer.fil
<TEXT>
Document 1 - file: buianswer.fil

</DOCUMENT>
</SEC-DOCUMENT>