Facts 

Overview
Tunnel on US 20 in Wind River Canyon
Location
Fremont County, Wyoming
Status
Open to traffic
History
Built 1947
Design
Tunnel
Dimensions
Total length: 255.9 ft.
Inventory numbers
WY CBZ (Wyoming bridge number)
BH 35768 (Bridgehunter.com ID)
Inspection
Average daily traffic (as of 2005)
2,600

Categories 

Built 1947 (109)
Built during 1940s (1,519)
Fremont County, Wyoming (26)
Open (21,829)
Owned by state (6,651)
Total length 250-500 feet (2,148)
Tunnel (264)
US 20 (32)
Wyoming (152)