-----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,
 Ag785A8TeyPWUWMdbMjPbaQC8uhB/f1EKrAWHOEV6mJ4uPqOR55NDbIGbmbwG6Ip
 VepjS++8KWdHKd6ZgoV3pg==

<SEC-DOCUMENT>0001267013-06-000004.txt : 20061017
<SEC-HEADER>0001267013-06-000004.hdr.sgml : 20061017
<ACCEPTANCE-DATETIME>20061017152233
ACCESSION NUMBER:		0001267013-06-000004
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20061013
FILED AS OF DATE:		20061017
DATE AS OF CHANGE:		20061017

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:			FRENCH R REID JR
		CENTRAL INDEX KEY:			0001267013

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-09722
		FILM NUMBER:		061148605

	BUSINESS ADDRESS:	
		BUSINESS PHONE:		256 730 2362

	MAIL ADDRESS:	
		STREET 1:		C/O 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>2006-10-13</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

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

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001267013</rptOwnerCik>
            <rptOwnerName>FRENCH R REID JR</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>Executive Vice President</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2006-10-13</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>D</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>1993</value>
                    <footnoteId id="F1"/>
                </transactionShares>
                <transactionPricePerShare>
                    <value>43.1</value>
                    <footnoteId id="F2"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>73857</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 an October 13, 2003 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>R. Ried French, Jr.</signatureName>
        <signatureDate>2006-10-17</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
-----END PRIVACY-ENHANCED MESSAGE-----