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

    <schemaVersion>X0206</schemaVersion>

    <documentType>3</documentType>

    <periodOfReport>2022-08-01</periodOfReport>

    <noSecuritiesOwned>0</noSecuritiesOwned>

    <issuer>
        <issuerCik>0001899883</issuerCik>
        <issuerName>FTAI Infrastructure Inc.</issuerName>
        <issuerTradingSymbol>FIP</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0000943712</rptOwnerCik>
            <rptOwnerName>WASHINGTON STATE INVESTMENT BOARD</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>2100 EVERGREEN PARK DR SW</rptOwnerStreet1>
            <rptOwnerStreet2>PO BOX 40916</rptOwnerStreet2>
            <rptOwnerCity>OLYMPIA</rptOwnerCity>
            <rptOwnerState>WA</rptOwnerState>
            <rptOwnerZipCode>98504-0916</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeHolding>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>11785779</value>
                    <footnoteId id="F1"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">Reflects common stock of the Issuer received with respect to shares of common stock of FTAI Instructure Inc. (f/k/a FTAI Infrastructure LLC) (the &quot;Issuer&quot;) held prior to the spin-off of the Issuer from Fortress Transportation and Infrastructure Investors LLC.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>Greg Henderson</signatureName>
        <signatureDate>2022-08-04</signatureDate>
    </ownerSignature>
</ownershipDocument>
