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  5. ›Grand Connection: I-405 Crossing

City of Bellevue·Washington

Grand Connection: I-405 Crossing

Closes 1/29/2026$100M – $140MRequest for ProposalLogin required
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Description

The City of Bellevue is seeking proposals for the Grand Connection: I-405 Crossing project, which involves building a crossing over I-405 for non-motorized users. The project aims to provide safety for active transportation users, multimodal connectivity and access in downtown Bellevue, and community connection as envisioned in local land use plans. The estimated maximum allowable construction cost is $140M, and the project requires an apprentice utilization of 15%. • The project involves building a multi-span bridge structure spanning approximately a half-mile distance. • The project requires the submission of various proposal forms, including a submittal form, references, and a safety record. • The project has a number of addenda and clarifications that must be incorporated into the proposal. • The proposer must acknowledge receipt, understanding, and full consideration of all RFP documents and addenda.

Attached files

The solicitation documents live at the source — open the bid source above to download them.

Contact

Kelly Dang

[email protected]

(425) 452-4870

Key dates

Opened
12/11/2025
Closes
1/29/2026

Last updated

Details

Type
Request for Proposal
Industry
Civil Engineering
NAICS
237310
Solicitation №
25101

Budget estimate

$100,000,000 – $140,000,000

The estimated maximum allowable construction cost for this project is $140M. This amount is likely to be the upper limit of the budget, and the actual budget may be lower depending on the bids received. The budget may also be influenced by factors such as the complexity of the project, the experience and qualifications of the proposer, and the availability of materials and labor.

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