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Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
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 TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB
MIC-Info: RSA-MD5,RSA,
 RsuP6mD3wdPO9lNHHRYRPXy6BEfoQ99uR7c/B1P1xADzVi4YAFsjH9N3HYDSoUKb
 fZEDpuihX40s1ScGfA06EA==

<SEC-DOCUMENT>0001209191-04-055095.txt : 20041130
<SEC-HEADER>0001209191-04-055095.hdr.sgml : 20041130
<ACCEPTANCE-DATETIME>20041130162345
ACCESSION NUMBER:		0001209191-04-055095
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20041129
FILED AS OF DATE:		20041130
DATE AS OF CHANGE:		20041130

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			MOONEY WILLIAM P
		CENTRAL INDEX KEY:			0001225095

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-06627
		FILM NUMBER:		041174903

	BUSINESS ADDRESS:	
		STREET 1:		C/O MICHAEL BAKER CORP
		STREET 2:		100 AIRSIDE DRIVE
		CITY:			MOON TOWNSHIP
		STATE:			PA
		ZIP:			15108
		BUSINESS PHONE:		4122692539

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			BAKER MICHAEL CORP
		CENTRAL INDEX KEY:			0000009263
		STANDARD INDUSTRIAL CLASSIFICATION:	SERVICES-MANAGEMENT SERVICES [8741]
		IRS NUMBER:				250927646
		STATE OF INCORPORATION:			PA
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		AIRPORT OFFICE PARK BLDG 3
		STREET 2:		420 ROUSER RD
		CITY:			CORAOPOLIS
		STATE:			PA
		ZIP:			15108
		BUSINESS PHONE:		4122696300

	MAIL ADDRESS:	
		STREET 1:		P O BOX 12259
		CITY:			PITTSBURGH
		STATE:			PA
		ZIP:			15231-0259

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	EUTHENICS SYSTEMS CORP
		DATE OF NAME CHANGE:	19750527

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	BAKER MICHAEL JR INC
		DATE OF NAME CHANGE:	19720526
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>bpi10543_bpi8wpm.xml
<DESCRIPTION>MAIN DOCUMENT DESCRIPTION
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0202</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2004-11-29</periodOfReport>

    <issuer>
        <issuerCik>0000009263</issuerCik>
        <issuerName>BAKER MICHAEL CORP</issuerName>
        <issuerTradingSymbol>BKR</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001225095</rptOwnerCik>
            <rptOwnerName>MOONEY WILLIAM P</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>100 AIRSIDE DRIVE</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>MOON TOWNSHIP</rptOwnerCity>
            <rptOwnerState>PA</rptOwnerState>
            <rptOwnerZipCode>15108</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>EVP and Chief Financial Off.</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2004-11-29</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>S</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>354</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>18.85</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>1000</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2004-11-30</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>S</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>1000</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>18.75</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>0</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <derivativeTable></derivativeTable>

    <ownerSignature>
        <signatureName>/s/William P. Mooney</signatureName>
        <signatureDate>2004-11-30</signatureDate>
    </ownerSignature>
</ownershipDocument>

</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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