Spokane County WA Public Works Homepage

Antler Road Culvert Replacement

Project Information

Bridge No. 2821 | County Road Project C3331
Project Type:  Culvert Replacement
Project Manager:  Michael Duke Jr., P.E.
Design Year: 2024
Construction Year: 2025

Project Description

This culvert replacement is located on Antler Road approximately 600 feet west of Monroe Road in north Spokane County, Sections 4 and 9, T 28N, R 42E, WM. The existing culvert, which conveys Dragoon Creek, was installed in 1982 and is currently showing distress. Field inspections indicate damage and distortion/buckling due to settlement and possible water infiltration along exterior of culvert.

The existing culvert is a 10’-6” wide x 7’-6” tall steel arch pipe 60 feet in length. The replacement structure is anticipated to be a shallow simple span concrete bridge supported on piling or spread footings. Approaches on both the east and west ends of the bridge will also be reconstructed as needed to accommodate the new structure elevation. The project footprint is anticipated to be approximately 500 feet along Antler Road, starting approximately 250 feet west of the existing culvert. A temporary traffic detour will be in place during construction.

Project Duration

Programmed for construction in 2025, the project is expected to take approximately 3-4 months to complete. Engineers will be working closely with impacted property owners, regulators, and the public to ensure a successful project. The project will be funded with Spokane County Road funds with the work performed by Spokane County bridge and maintenance crews.


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