General Information
Project Type
Function / usage: |
Road tunnel |
---|---|
Structure: |
Tunnel |
Construction method: |
Tunnel boring machine (TBM) |
Location
Location: |
Seattle, King County, Washington, USA |
---|---|
Address: | WA 99 / Alaskan Way |
To replace: |
Alaskan Way Viaduct (1953)
|
Coordinates: | 47° 35' 44.86" N 122° 20' 8.03" W |
Coordinates: | 47° 37' 20.14" N 122° 20' 40.01" W |
Technical Information
Dimensions
length | 3.2 km | |
number of tubes | 2 |
Case Studies and Applied Products

Formwork Carriage Follows the World's Largest Tunnel Boring Machine
The 1950s vintage Alaskan Way Viaduct has long been considered one of the most important thoroughfares along Seattle's waterfront. As a replacement for the elevated viaduct that is used daily by 110,000 vehi ... [more]
Participants
Relevant Web Sites
- About this
data sheet - Structure-ID
20051292 - Published on:
04/01/2010 - Last updated on:
28/05/2021