Facts 

Overview
Tunnel under Asarco Smelter on N. 51st Street in Ruston
Location
Pierce County, Washington
Status
Open to traffic
History
Built 1912
Design
Tunnel
Dimensions
Total length: 325.1 ft.
Inventory number
BH 34430 (Bridgehunter.com ID)
Inspection
Average daily traffic (as of 2002)
3,600