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Demolition, site work, paving and new construction of a bridge / tunnel in Alton, Illinois. Design plans call for site work for a bridge / tunnel; for paving for a bridge / tunnel; for the construction of a bridge / tunnel; and bridge / tunnel.

As of November 14, 2023, per owner, an engineer has been selected. Project is in preliminary engineering stage currently. They are a couple years out from start of construction. Engineering consultants for preliminary, design, and construction engineering services for the North Seminary Road bridge replacement project This project will be constructed on North Seminary Road approximately 0.25 miles north of Homer Adams Parkway (IL RT 3/111) in Alton, Illinois. The evaluation criteria and weighting for this project is as follows: Experience and Technical Competence = 30%; Capacity and Capability = 30%; Past Record of Performance = 30%; Local Presence = 10%. Consultants should request a proposal packet from the Alton Public Works Department, which is located at 2 Emma Kaus Lane in Alton, Illinois. The technical proposal must not contain any cost information. All proposals shall include a conflict of interest form. All proposals shall also include the consultant's IDOT prequalification certificate, which must indicate prequalification by IDOT in all of the following categories: Structures- Highway:Typical; Hydraulic Reports-Waterways:Typical; and Special Services-Construction Inspection. Proposals will be evaluated by the Alton Public Works Department QBS Selection Committee, and the highest ranked consultants will be selected to interview for this project. The method of Contractor Selection has not been Determined at this time

Design

Bridges / Tunnels

$700,000.00

Public - City

Demolition, New Construction, Paving, Site Work

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November 3, 2025

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Seminary Rd, Alton, IL


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