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Sequalichew Creek Trail - DuPont Dynamite Tunnel

Photos 

DuPont Dynamite Railroad Tunnel

View from Southeast

Photo taken by K. A. Erickson in June 2012

Enlarge

BH Photo #232937

Map 

Video 

Sequalitchew Tunnel under BNSF tracks

This is an unusual double tunnel, with one side for the trail and the other containing the original narrow gauge tracks of the DuPont Dynamite Train. The train carried explosives manufactured at the top of the hill through the tunnel and out onto a wharf.

John Anderson, 2014

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Description 

Replaced a timber stringer that crossed both the DuPont narrow gauge line and Sequalichew Creek.

Facts 

Overview
Tunnel on Sequalichew Creek Trail, Former DuPont Company Railway under BNSF Railroad
Location
DuPont, Pierce County, Washington
Status
Open to pedestrians only
History
Built 1900s
Railroads
- BNSF Railway (BNSF)
- Burlington Northern Railroad (BN)
- DuPont Dynamite Railroad
- Northern Pacific Railroad (NP)
- Rail-to-trail
Design
Tunnel
Also called
DuPont Dynamite Railroad Tunnel
BNSF/Sequalichew Creek Trail Overpass
BN/Sequalichew Creek Trail Overpass
NP/DuPont Dynamite Railroad Overpass
Approximate latitude, longitude
+47.11706, -122.66610   (decimal degrees)
47°07'01" N, 122°39'58" W   (degrees°minutes'seconds")
Approximate UTM coordinates
10/525329/5218226 (zone/easting/northing)
Quadrangle map:
Nisqually
Inventory number
BH 52608 (Bridgehunter.com ID)

Update Log 

  • February 8, 2018: Updated by Luke: Noted structure this bridge replaced in the description section
  • February 8, 2018: New video from John Anderson
  • June 2, 2012: Added by K. A. Erickson

Sources