0
  • DE
  • EN
  • FR
  • International Database and Gallery of Structures

Advertisement

Eastern portal of the BNSF Cascade Tunnel located at Milepost 1700 on the Scenic Subdivision. The 7.5 mile long railroad tunnel is the longest in the United States. The eastern portal is the site of the 1600hp fan plant that scrubs the tunnel of diesel exhaust fumes after each train passes through.
media credits (ID:232870)
West Portal, Cascade Tunnel, Scenic, WA, United States
media credits (ID:232872)

General Information

Beginning of works: 1925
Completion: 12 January 1929
Status: in use

Project Type

Structure: Tunnel
Function / usage: Railroad (railway) tunnel

Location

Location: , , ,
, ,
Coordinates: 47° 42' 54.97" N    121° 8' 43.83" W
Coordinates: 47° 46' 12.54" N    120° 59' 56" W
Show coordinates on a map

Technical Information

Dimensions

tunnel length 12 537 m
number of tubes 1

Chronology

12 January 1929

Dedication.

Participants

Currently there is no information available about persons or companies having participated in this project.

Relevant Web Sites

There currently are no relevant websites listed.

  • About this
    data sheet
  • Structure-ID
    20013979
  • Published on:
    24/10/2004
  • Last updated on:
    28/05/2021
Structurae cooperates with
International Association for Bridge and Structural Engineering (IABSE)
e-mosty Magazine
e-BrIM Magazine