Demolition, site work, paving and new construction of a bridge / tunnel in Ellisville, Missouri. Conceptual plans call for the demolition of a bridge / tunnel; for the construction of a bridge / tunnel; for site work for a bridge / tunnel; and for paving for a bridge / tunnel.

The St. Louis County Department of Transportation is requesting the services of a well-qualified consulting engineering firm to perform professional engineering services for the following project under an engineering services contract: Weidman road bridge Qualifications-Based Selection (QBS), in accordance with RSMo. 8.285 through 8.291, will be used to determine the successful respondent. Note, the 15% incentive credit defined in SLCRO 107.071 Section 3 is not applicable to the selection process for this contract. This contract provides for the design of the replacement of Weidman Road Bridge No. 338 over Grand Glaize Creek. Written questions may be submitted to Jill Allen, Contract Administrator & Media Manager, at JAllen@stlouiscountymo.gov. All questions must be submitted by 9:00 a.m. on January 2, 2025. Phone inquiries will be deemed non-responsive. Pursuant to Sections 107.400 and 107.401 SLCRO, all County solicitations, once published, are under a "Cone of Silence." All communication from a Vendor or a Vendor's Representative relating to this solicitation must follow the processes defined HEREIN. Any communication with other County staff regarding this solicitation is prohibited except the specific types of communication defined in Section 107.401 SLCRO. The Cone of Silence shall terminate at the time a contract resulting from the solicitation is executed or when all bids or proposals in response to the solicitation are rejected by the County. Violation of Section 107.401 SLCRO by a Vendor or Vendor's Representative shall result in designation by the Director of Procurement of the bid, proposal, or statement of qualifications as non-responsive. Communications regarding this solicitation are authorized only with following County Staff. In addition, County clerical staff are permitted to route communications, including phone calls and written communications. Communications prior to the consultant selection shall be by email only. Communications after the consultant selection with authorized staff related to contract negotiations may be verbal or written. The Acting Deputy Director listed below may authorize additional points of contact as deemed prudent; all such authorizations shall be in writing. Contract Administrator & Media Manager: Jill Allen at JAllen@stlouiscountymo.gov. The method of Contractor Selection has not been Determined at this time. Request for Proposal for design services is underway.