<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0206</schemaVersion>

    <documentType>3</documentType>

    <periodOfReport>2015-06-19</periodOfReport>

    <noSecuritiesOwned>0</noSecuritiesOwned>

    <issuer>
        <issuerCik>0000846617</issuerCik>
        <issuerName>BRIDGE BANCORP INC</issuerName>
        <issuerTradingSymbol>BDGE</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001646643</rptOwnerCik>
            <rptOwnerName>Lindenbaum Nathan</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O MGS PARTNERS, LLC</rptOwnerStreet1>
            <rptOwnerStreet2>ONE UNIVERSITY PLAZA, SUITE 407</rptOwnerStreet2>
            <rptOwnerCity>HACKENSACK</rptOwnerCity>
            <rptOwnerState>NJ</rptOwnerState>
            <rptOwnerZipCode>07601</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle></officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001646644</rptOwnerCik>
            <rptOwnerName>Abigail Tambor 2012 Children's Trust</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O MGS PARTNERS, LLC</rptOwnerStreet1>
            <rptOwnerStreet2>ONE UNIVERSITY PLAZA, SUITE 407</rptOwnerStreet2>
            <rptOwnerCity>HACKENSACK</rptOwnerCity>
            <rptOwnerState>NJ</rptOwnerState>
            <rptOwnerZipCode>07601</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle></officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001646645</rptOwnerCik>
            <rptOwnerName>MGS Partners, LLC</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O MGS PARTNERS, LLC</rptOwnerStreet1>
            <rptOwnerStreet2>ONE UNIVERSITY PLAZA, SUITE 407</rptOwnerStreet2>
            <rptOwnerCity>HACKENSACK</rptOwnerCity>
            <rptOwnerState>NJ</rptOwnerState>
            <rptOwnerZipCode>07601</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle></officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001646647</rptOwnerCik>
            <rptOwnerName>Nathan J Lindenbaum 1995 Children Trust</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O MGS PARTNERS, LLC</rptOwnerStreet1>
            <rptOwnerStreet2>ONE UNIVERSITY PLAZA, SUITE 407</rptOwnerStreet2>
            <rptOwnerCity>HACKENSACK</rptOwnerCity>
            <rptOwnerState>NJ</rptOwnerState>
            <rptOwnerZipCode>07601</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle></officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001646650</rptOwnerCik>
            <rptOwnerName>Naftali Asher Investments LLC</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O MGS PARTNERS, LLC</rptOwnerStreet1>
            <rptOwnerStreet2>ONE UNIVERSITY PLAZA, SUITE 407</rptOwnerStreet2>
            <rptOwnerCity>HACKENSACK</rptOwnerCity>
            <rptOwnerState>NJ</rptOwnerState>
            <rptOwnerZipCode>07601</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle></officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001646646</rptOwnerCik>
            <rptOwnerName>Victoria &amp; Benjamin Feder 2012 Children's Trust</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O MGS PARTNERS, LLC</rptOwnerStreet1>
            <rptOwnerStreet2>ONE UNIVERSITY PLAZA, SUITE 407</rptOwnerStreet2>
            <rptOwnerCity>HACKENSACK</rptOwnerCity>
            <rptOwnerState>NJ</rptOwnerState>
            <rptOwnerZipCode>07601</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle></officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001646648</rptOwnerCik>
            <rptOwnerName>Shari A. Lindenbaum 1994 Children's Trust</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O MGS PARTNERS, LLC</rptOwnerStreet1>
            <rptOwnerStreet2>ONE UNIVERSITY PLAZA, SUITE 407</rptOwnerStreet2>
            <rptOwnerCity>HACKENSACK</rptOwnerCity>
            <rptOwnerState>NJ</rptOwnerState>
            <rptOwnerZipCode>07601</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle></officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001646642</rptOwnerCik>
            <rptOwnerName>Lindenbaum Shari</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O MGS PARTNERS, LLC</rptOwnerStreet1>
            <rptOwnerStreet2>ONE UNIVERSITY PLAZA, SUITE 407</rptOwnerStreet2>
            <rptOwnerCity>HACKENSACK</rptOwnerCity>
            <rptOwnerState>NJ</rptOwnerState>
            <rptOwnerZipCode>07601</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle></officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001646583</rptOwnerCik>
            <rptOwnerName>Tambor Shai</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O MGS PARTNERS, LLC</rptOwnerStreet1>
            <rptOwnerStreet2>ONE UNIVERSITY PLAZA, SUITE 407</rptOwnerStreet2>
            <rptOwnerCity>HACKENSACK</rptOwnerCity>
            <rptOwnerState>NJ</rptOwnerState>
            <rptOwnerZipCode>07601</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle></officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeHolding>
            <securityTitle>
                <value>Common Stock, par vlue $0.01 per share (&quot;Common Stock&quot;)</value>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>15800</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                    <footnoteId id="F1"/>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
        <nonDerivativeHolding>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>81000</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                    <footnoteId id="F1"/>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>See footnotes</value>
                    <footnoteId id="F2"/>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
        <nonDerivativeHolding>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>97202</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                    <footnoteId id="F1"/>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>See footnote</value>
                    <footnoteId id="F3"/>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
        <nonDerivativeHolding>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>87327</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                    <footnoteId id="F1"/>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>See footnote</value>
                    <footnoteId id="F4"/>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
        <nonDerivativeHolding>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>20540</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                    <footnoteId id="F1"/>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>See footnote</value>
                    <footnoteId id="F5"/>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
        <nonDerivativeHolding>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>65970</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                    <footnoteId id="F1"/>
                    <footnoteId id="F6"/>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
        <nonDerivativeHolding>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>50197</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                    <footnoteId id="F1"/>
                    <footnoteId id="F7"/>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
    </nonDerivativeTable>

    <derivativeTable></derivativeTable>

    <footnotes>
        <footnote id="F1">Notes are included on Exhibit 99.1 hereto.</footnote>
        <footnote id="F2">Notes are included on Exhibit 99.1 hereto.</footnote>
        <footnote id="F3">Notes are included on Exhibit 99.1 hereto.</footnote>
        <footnote id="F4">Notes are included on Exhibit 99.1 hereto.</footnote>
        <footnote id="F5">Notes are included on Exhibit 99.1 hereto.</footnote>
        <footnote id="F6">Notes are included on Exhibit 99.1 hereto.</footnote>
        <footnote id="F7">Notes are included on Exhibit 99.1 hereto.</footnote>
    </footnotes>

    <remarks>Exhibit List:
Exhibit 99.1 - Explanation of Responses
Exhibit 99.2 - Joint Filer Information
Exhibit 99.3 - Joint Filers' Signatures</remarks>

    <ownerSignature>
        <signatureName>/s/ Nathan Lindenbaum</signatureName>
        <signatureDate>2015-06-29</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>/s/ Shari A. Lindenbaum</signatureName>
        <signatureDate>2015-06-29</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>/s/ Shai Tambor</signatureName>
        <signatureDate>2015-06-29</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>Nathan J Lindenbaum 1995 Children Trust; By: /s/ Shari A. Lindenbaum, Trustee</signatureName>
        <signatureDate>2015-06-29</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>Naftali Asher Investments, LLC; By: /s/ Shari A. Lindenbaum, Manager</signatureName>
        <signatureDate>2015-06-29</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>MGS Partners, LLC; By: /s/ Nathan Lindenbaum, Managing Manager</signatureName>
        <signatureDate>2015-06-29</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>Abigail Tambor 2012 Children's Trust; By: /s/ Nathan Lindenbaum, Trustee</signatureName>
        <signatureDate>2015-06-29</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>Victoria and Benjamin Feder 2012 Children's Trust; By: /s/ Nathan Lindenbaum, Trustee</signatureName>
        <signatureDate>2015-06-29</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>Shari A. Lindenbaum 1994 Children's Trust; By: /s/ Nathan Lindenbaum, Trustee</signatureName>
        <signatureDate>2015-06-29</signatureDate>
    </ownerSignature>
</ownershipDocument>
