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    Active SLED Opportunity · ILLINOIS · ILLINOIS

    I-21-4736 - EWO #36 - ATP #44 - I-490 Railroad Bridge Construction

    Issued by Illinois
    state55 - Amendment/Change Order (increase or no dollar)IllinoisSol. 26-557THA-ENGCO-B-52902
    Open · 16d remaining
    DAYS TO CLOSE
    16
    due Jul 10, 2026
    PUBLISHED
    Jun 14, 2026
    Posting date
    JURISDICTION
    Illinois
    state
    NAICS CODE
    237310
    AI-classified industry

    AI Summary

    Amendment/change order opportunity for construction services on the I-490 Railroad Bridge in Illinois, with key dates in June and July 2026.

    Opportunity details

    Solicitation No.
    26-557THA-ENGCO-B-52902
    Type / RFx
    55 - Amendment/Change Order (increase or no dollar)
    Status
    OPEN
    Level
    state
    Published Date
    June 14, 2026
    Due Date
    July 10, 2026
    NAICS Code
    237310AI guide
    Jurisdiction
    Illinois
    State
    Illinois
    Agency
    Illinois

    Description

    Please refer to item and attachment tabs for additional information.

    Key dates

    1. June 14, 2026Published
    2. July 10, 2026Responses Due

    AI classification tags

    bridge constructionrailroad infrastructureconstruction servicesstate transportation projectsamendment change order

    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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