Bigelow Gulch Rd Bridge No. 4604 over Forker Rd

Project Information

Bridge No. 4604 | County Road Project C2989A
Project Type: New Bridge
Project Manager: Michael Duke Jr., P.E.
Design Year: 2018
Construction Year: 2018/2019
Contractor: Halme Construction

Project Description

This bridge project is part of the Bigelow Gulch/Forker Intersection project. The bridge provides a grade separation of Bigelow Gulch and Forker Roads located in Section 26, T 26N, R 44E, WM within Spokane County. The proposed structure is a single span, prestressed concrete girder bridge with a cast-in-place deck, supported on stub abutment walls. Each abutment is supported by permanent geo-synthetic retaining walls with cast-in-place fascia panels.

The bridge is 65 feet in length and 77.8 feet wide curb-to-curb and includes two 8-foot shoulders, four 12-foot lanes, and a 12-foot center median.

Project Duration

The bridge opened to traffic in September 2018 with Forker Road traffic under the bridge opened in November 2018. Work on the structure was completed in 2019.

  1. Michael J. Duke Jr., P.E.

    Bridge Program Manager
    Phone: 509-477-3600

  2. Public Works


    Mailing Address
    1026 W Broadway Avenue
    Public Works Building
    Spokane, WA 99260-0170

    Fax: 509-477-7655