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Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
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MIC-Info: RSA-MD5,RSA,
 CZiBKyVkWTSvRAXqlA+r3ir68eTTDjERurvIqt421DUbBM/j3+Fu9hSYhlPKr3nm
 yOmjFnf7ka2tyQy6sEv3Eg==

<SEC-DOCUMENT>0000737468-03-000035.txt : 20030725
<SEC-HEADER>0000737468-03-000035.hdr.sgml : 20030725
<ACCEPTANCE-DATETIME>20030725124153
ACCESSION NUMBER:		0000737468-03-000035
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20030725
FILED AS OF DATE:		20030725

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			KENNARD MARY E
		CENTRAL INDEX KEY:			0001212012

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-13091
		FILM NUMBER:		03802763

	BUSINESS ADDRESS:	
		STREET 1:		WASHINGTON TRUST BANCORP INC
		STREET 2:		23 BROAD STREET
		CITY:			WESTERLY
		STATE:			RI
		ZIP:			02891

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			WASHINGTON TRUST BANCORP INC
		CENTRAL INDEX KEY:			0000737468
		STANDARD INDUSTRIAL CLASSIFICATION:	STATE COMMERCIAL BANKS [6022]
		IRS NUMBER:				050404671
		STATE OF INCORPORATION:			RI
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		23 BROAD ST
		CITY:			WESTERLY
		STATE:			RI
		ZIP:			02891
		BUSINESS PHONE:		4013481200
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>c0001212012d20030725f4f.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<ownershipDocument><schemaVersion>X0101</schemaVersion>    <documentType>4</documentType><periodOfReport>2003-07-25</periodOfReport><notSubjectToSection16>0</notSubjectToSection16><issuer><issuerCik>0000737468</issuerCik><issuerName>WASHINGTON TRUST BANCORP INC</issuerName>        <issuerTradingSymbol>WASH</issuerTradingSymbol></issuer><reportingOwner><reportingOwnerId><rptOwnerCik>0001212012</rptOwnerCik><rptOwnerName>KENNARD MARY E</rptOwnerName></reportingOwnerId><reportingOwnerAddress><rptOwnerStreet1>  </rptOwnerStreet1><rptOwnerStreet2>  </rptOwnerStreet2><rptOwnerCity>  </rptOwnerCity><rptOwnerState>  </rptOwnerState><rptOwnerZipCode>  </rptOwnerZipCode></reportingOwnerAddress><reportingOwnerRelationship><isDirector>1</isDirector><isOfficer>0</isOfficer><isTenPercentOwner>0</isTenPercentOwner><isOther>0</isOther><officerTitle></officerTitle><otherText></otherText></reportingOwnerRelationship></reportingOwner><nonDerivativeSecurity><securityTitle><value>Common Stock</value></securityTitle><transactionD
ate><value>2003-07-25</value></transactionDate><transactionCoding><transactionFormType>4</transactionFormType><transactionCode>S</transactionCode><equitySwapInvolved>0</equitySwapInvolved></transactionCoding><transactionTimeliness><value></value></transactionTimeliness><transactionAmounts><transactionShares><value>716</value></transactionShares><transactionValue><value>24.6</value></transactionValue><transactionAcquiredDisposedCode><value>D</value></transactionAcquiredDisposedCode></transactionAmounts><postTransactionAmounts><sharesOwnedFollowingTransaction><value>712.9097</value><footnoteId id="F1"/></sharesOwnedFollowingTransaction></postTransactionAmounts><ownershipNature><directOrIndirectOwnership><value>I</value></directOrIndirectOwnership><natureOfOwnership><value>Andrew C. Robinson (son)</value></natureOfOwnership></ownershipNature></nonDerivativeSecurity><nonDerivativeSecurity><securityTitle><value>Common Stock</value></securityTitle><transactionDate><value>2003-07-25</value></transactionDate><transa
ctionCoding><transactionFormType>4</transactionFormType><transactionCode>S</transactionCode><equitySwapInvolved>0</equitySwapInvolved></transactionCoding><transactionTimeliness><value></value></transactionTimeliness><transactionAmounts><transactionShares><value>716</value></transactionShares><transactionValue><value>24.6</value></transactionValue><transactionAcquiredDisposedCode><value>D</value></transactionAcquiredDisposedCode></transactionAmounts><postTransactionAmounts><sharesOwnedFollowingTransaction><value>712.9097</value><footnoteId id="F1"/></sharesOwnedFollowingTransaction></postTransactionAmounts><ownershipNature><directOrIndirectOwnership><value>I</value></directOrIndirectOwnership><natureOfOwnership><value>Charles A. Robinson (son)</value></natureOfOwnership></ownershipNature></nonDerivativeSecurity><footnotes><footnote id="F1">The reporting person also holds direct ownership interests in 1,047.2048 shares of common stock.  In addition to common stock holdings, the reporting person has the right t
o purchase 1,470 shares of common stock exercisable at $5.432 with an expiration date of 3/17/2004, 5,063 shares of common stock exercisable at $9.3333 with an expiration date of 4/30/2006, 1,688 shares of common stock exercisable at $12.1667 with an expiration date 4/29/2007, 1,688 shares of common stock exercisable at $21.3333 with an expiration date of 4/28/2008, 1,688 shares of common stock exercisable at $19.50 with an expiration date of 4/27/2009, 2,000 shares of common stock exercisable at $15.50 with an expiration date of 4/25/2010, 2,000 shares of common stock exercisable at $17.85 with an expiration date of 4/24/2011, 2,000 shares of common stock exercisable at $20.23 with an expiration date of 4/23/2012 and 2,000 shares of common stock exercisable at $20.62 with an expiration date of 4/29/2013.</footnote></footnotes><ownerSignature><signatureName>David V. Devault EVP, Treas, CFO-POA</signatureName><signatureDate>2003-07-25</signatureDate></ownerSignature></ownershipDocument>

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