-----BEGIN PRIVACY-ENHANCED MESSAGE-----
Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
Originator-Key-Asymmetric:
 MFgwCgYEVQgBAQICAf8DSgAwRwJAW2sNKK9AVtBzYZmr6aGjlWyK3XmZv3dTINen
 TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB
MIC-Info: RSA-MD5,RSA,
 UGcU6Fx0DFcohNru260ahIuICar9kbgXPLVS5m6//FEFTngtL0Z5M2lgaGCY7sOB
 OAhSiPqrlFNgwjX0qVLKww==

<SEC-DOCUMENT>0001183844-06-000003.txt : 20060504
<SEC-HEADER>0001183844-06-000003.hdr.sgml : 20060504
<ACCEPTANCE-DATETIME>20060504151916
ACCESSION NUMBER:		0001183844-06-000003
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20060503
FILED AS OF DATE:		20060504
DATE AS OF CHANGE:		20060504

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			INTERGRAPH CORP
		CENTRAL INDEX KEY:			0000351145
		STANDARD INDUSTRIAL CLASSIFICATION:	SERVICES-COMPUTER INTEGRATED SYSTEMS DESIGN [7373]
		IRS NUMBER:				630573222
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		1 MADISON INDUSTRIAL PARK IW2000
		CITY:			HUNTSVILLE
		STATE:			AL
		ZIP:			35894-0001
		BUSINESS PHONE:		2567302000

	MAIL ADDRESS:	
		STREET 1:		290 DUNLOP BLVD
		CITY:			HUNTSVILLE
		STATE:			AL
		ZIP:			35894-0001

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			MILES LARRY T
		CENTRAL INDEX KEY:			0001183844

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-09722
		FILM NUMBER:		06807981

	BUSINESS ADDRESS:	
		BUSINESS PHONE:		256 730 2362

	MAIL ADDRESS:	
		STREET 1:		INTERGRAPH CORP
		STREET 2:		288 DUNLOP BLVD
		CITY:			HUNTSVILLE
		STATE:			AL
		ZIP:			35824
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>edgardoc.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0202</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2006-05-03</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0000351145</issuerCik>
        <issuerName>INTERGRAPH CORP</issuerName>
        <issuerTradingSymbol>INGR</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001183844</rptOwnerCik>
            <rptOwnerName>MILES LARRY T</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1></rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>HUNTSVILLE</rptOwnerCity>
            <rptOwnerState>AL</rptOwnerState>
            <rptOwnerZipCode>35894</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>Corporate Controller</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2006-05-03</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>D</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>590</value>
                    <footnoteId id="F1"/>
                </transactionShares>
                <transactionPricePerShare>
                    <value>44.73</value>
                    <footnoteId id="F2"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>17600</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">This entry is to reflect the withholding of shares to satisfy tax withholding obligations of the reporting person arising from the ratable lapse of restrictions from a May 3, 2004 Restricted Stock Award.</footnote>
        <footnote id="F2">In accordance with IRS tax withholding obligations, the reported share &quot;Price&quot; is an inputed value utilized for tax withholding purposes.  Pursuant to applicable IRS regulations the &quot;Price&quot; reflects the &quot;mean price&quot; of the shares on the date upon which the trading restriction lapsed.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>Larry T. Miles</signatureName>
        <signatureDate>2006-05-04</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
-----END PRIVACY-ENHANCED MESSAGE-----