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    SLED Opportunity · ILLINOIS · ILLINOIS

    Renewal Notice: I-21-4732 Elgin OHare Western Access Tollway (I-490), Railroad Bridge Const.

    Issued by Illinois
    stateSource SoughtIllinoisSol. 26-557THA-ENGCO-B-50512
    Closed
    STATUS
    Closed
    due Jan 27, 2026
    PUBLISHED
    Jan 13, 2026
    Posting date
    JURISDICTION
    Illinois
    state
    NAICS CODE
    237310
    AI-classified industry

    AI Summary

    Renewal notice for the I-21-4732 Elgin O'Hare Western Access Tollway (I-490) railroad bridge construction project in Illinois. This is not a solicitation.

    Opportunity details

    Solicitation No.
    26-557THA-ENGCO-B-50512
    Type / RFx
    Source Sought
    Status
    OPEN
    Level
    state
    Published Date
    January 13, 2026
    Due Date
    January 27, 2026
    NAICS Code
    237310AI guide
    Jurisdiction
    Illinois
    State
    Illinois
    Agency
    Illinois

    Description

    RENEWAL NOTICE THIS IS NOT A SOLICITATION

    Key dates

    1. January 13, 2026Published
    2. January 27, 2026Responses Due

    AI classification tags

    bridge constructionrailroad bridgehighway constructiontollway constructioninfrastructure renewalstate transportation projects

    Frequently asked questions

    SLED stands for State, Local, and Education. These are solicitations issued by state governments, counties, cities, school districts, utilities, and higher education institutions — as opposed to federal agencies.

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