Interchange Improvements, IH 35W

The Texas Department of Transportation (TxDOT) is soliciting bids for interchange improvement construction on IH 35W spanning 3.5 miles from Bethesda Road to Asher Road in Johnson County, Texas, with bids due July 1, 2026. This is not a Federal Aid Project.

The scope encompasses comprehensive reconstruction including removal of existing pavement and structures, excavation, embankment, concrete work, asphalt paving, bridge construction with prestressed concrete girders, drainage systems, retaining walls, guardrails, crash cushions, electrical systems, signage, pavement markings, and traffic signal installation. The specification contains approximately 309 line items with estimated quantities for each work component.

The project must be completed in 1,047 working days. Bidders must submit unit prices for each pay item; the official total bid amount is calculated by multiplying unit prices by estimated quantities. A proposal guaranty of $100,000 must be submitted via cashier's check, teller's check, or bid bond. Successful bidders must secure performance bonds for the full contract amount.

Bidders must acknowledge receipt of five addenda and submit an audited financial statement and experience questionnaire at least ten days prior to the letting date. Bidders must certify that their firm has not engaged in collusion or restraint of free competitive bidding and must disclose their interest in other bid proposals. If awarded as the low bidder, firms must identify other firms from which quotations were received and to which quotations were issued for portions of the work. Guaranty checks are returned to successful bidders upon contract execution.