Fifteen Mile Creek Bridge #493C Replacement, King County, WA #KC001494

Interwest Construction, Inc. would appreciate receiving a bid from your firm for this project. We are an equal opportunity employer and request bids from all Subcontractors including disadvantaged, minority, women, and disabled veterans and emerging small business enterprises.

PROJECT DBE GOAL: 17%

This project provides for the replacement of Fifteen Mile Creek Bridge #493C located on SE May Valley Road crossing Fifteen Mile Creek in King County by clearing and grubbing, grading, gravel borrow, drainage, removing the existing bridge, constructing drilled shaft and concrete cap and wall foundation, furnishing and placing precast voided slab units with Ultra High Performance Concrete (UHPC) shear key, polyester concrete overlay, tree protection, invasive species removal, erosion control, surfacing with crushed surfacing, paving with hot mix asphalt, bridge rail, beam rail guardrail, temporary traffic control, large woody placements, and other work.

Plans and Specifications

Please send quote to bids@interwest.biz by October 7th, 2025 at 1:30 PM