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Total value of Washington construction projects currently in our database:

Commercial Projects (value)
Pre-Bid Phase:$17,157,963,338
Bid Phase:$565,681,370
Civil Projects (value)
Pre-Bid Phase:$1,376,961,322
Bid Phase:$681,342,653

Tunnel Project Case Study in Washington

This project information is pulled from our archive of hundreds of thousands of construction projects. Use it to research ideas and potential partners for your own project. Additional examples of tunnel projects in Washington are also available.

Project Overview

Estimated Value:$1,230,930
The cost to build tunnels in Washington depends upon the location, project scope, specific components used and current market conditions. If you are looking to size the cost of building a project similar to this one,

Project Location

Address:SR 14

Project Type

Building Category:Tunnels
Work Type:New

Project Description:

Tunnel[s] SR 14 Pedestrian Tunnel consisting of: This project will entail constructing a new 115-foot long pedestrian tunnel underneath SR 14 including headwalls and wing walls on both sides of the new tunnel, internal amenities such as lighting and architectural elements, and reconstructing the portion of SR 14 (new asphalt and shoulder restoration) that is impacted by the tunnel construction. The project will also entail constructing new half-width improvements along Pendleton Way (north of SR 14), and constructing new improvements on each side of the new pedestrian tunnel including new asphalt, curb, sidewalk, concrete stairs, a pedestrian trail (~330 lineal feet), gravel access road, basalt benches, landscaping, irrigation, under grounding existing overhead utilities (power, phone, cable TV, fiber) within the project area, signing, striping, holiday lighting, decorative bollards, and other appurtenances