    <SEC-DOCUMENT>0001133228-25-007662-index.html : 20250729
    <SEC-HEADER>0001133228-25-007662.hdr.sgml : 20250729
    <ACCEPTANCE-DATETIME>20250729082826
    ACCESSION NUMBER:		0001133228-25-007662
    CONFORMED SUBMISSION TYPE:	N-CSRS
    PUBLIC DOCUMENT COUNT:		9
    CONFORMED PERIOD OF REPORT:	20250531
    FILED AS OF DATE:		20250729
    DATE AS OF CHANGE:		20250729
    EFFECTIVENESS DATE:		20250729

    FILER:

    	COMPANY DATA:
    		COMPANY CONFORMED NAME:			WESTERN ASSET INTERMEDIATE MUNI FUND INC.
    		CENTRAL INDEX KEY:			0000882300
    		ORGANIZATION NAME:
    		EIN:				133643581
    		STATE OF INCORPORATION:			MD
    		FISCAL YEAR END:			1130

    	FILING VALUES:
    		FORM TYPE:		N-CSRS
    		SEC ACT:		1940 Act
    		SEC FILE NUMBER:	811-06506
    		FILM NUMBER:		251157728

    	BUSINESS ADDRESS:
    		STREET 1:		620 EIGHTH AVENUE
    		STREET 2:		47TH FLOOR
    		CITY:			NEW YORK
    		STATE:			NY
    		ZIP:			10018
    		BUSINESS PHONE:		888-777-0102

    	MAIL ADDRESS:
    		STREET 1:		620 EIGHTH AVENUE
    		STREET 2:		47TH FLOOR
    		CITY:			NEW YORK
    		STATE:			NY
    		ZIP:			10018

    	FORMER COMPANY:
    		FORMER CONFORMED NAME:	INTERMEDIATE MUNI FUND INC
    		DATE OF NAME CHANGE:	20020219

    	FORMER COMPANY:
    		FORMER CONFORMED NAME:	SMITH BARNEY INTERMEDIATE MUNICIPAL FUND INC
    		DATE OF NAME CHANGE:	19920909

    	FORMER COMPANY:
    		FORMER CONFORMED NAME:	SMITH BARNEY INTERMEDIATE QUALITY MUNICIPAL FUND INC
    		DATE OF NAME CHANGE:	19600201
    </SEC-HEADER>
    <DOCUMENT>
    <TYPE>N-CSRS
    <SEQUENCE>1
    <FILENAME>waimfi-efp16607_ncsrs.htm
    <DESCRIPTION>WESTERN ASSET INTERMEDIATE MUNI FUND INC (SBI) - N-CSRS
    <TEXT>
    Document 1 - file: waimfi-efp16607_ncsrs.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-99.CERT
    <SEQUENCE>2
    <FILENAME>waimfi-efp16607_ex99cert.htm
    <DESCRIPTION>CERTIFICATIONS PURSUANT TO SECTION 302 OF THE SARBANES-OXLEY ACT OF 2002
    <TEXT>
    Document 2 - file: waimfi-efp16607_ex99cert.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-99.906 CERT
    <SEQUENCE>3
    <FILENAME>waimfi-efp16607_ex99906cert.htm
    <DESCRIPTION>CERTIFICATIONS PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002
    <TEXT>
    Document 3 - file: waimfi-efp16607_ex99906cert.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>4
    <FILENAME>img7b4fb58c5.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 4 - file: img7b4fb58c5.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>5
    <FILENAME>img65a8a85d3.gif
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 5 - file: img65a8a85d3.gif

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>6
    <FILENAME>img0997be046.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 6 - file: img0997be046.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>7
    <FILENAME>img8122f3a02.gif
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 7 - file: img8122f3a02.gif

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>8
    <FILENAME>img73783c7a4.gif
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 8 - file: img73783c7a4.gif

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>9
    <FILENAME>img160551521.gif
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 9 - file: img160551521.gif

    </DOCUMENT>
    </SEC-DOCUMENT>