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I 70 Idaho Springs Tunnel

Photos 

Idaho Springs Tunnel

Photo taken by Craig Philpott in July 2017

Enlarge

BH Photo #396416

Map 

Street View 

Facts 

Overview
Tunnel under Mountain on I 70
Location
Clear Creek County, Colorado
Status
Open to traffic
History
Built 1961
Design
Tunnel
Dimensions
Span length: 725.1 ft.
Total length: 725.1 ft.
Approximate latitude, longitude
+39.74444, -105.47611   (decimal degrees)
39°44'40" N, 105°28'34" W   (degrees°minutes'seconds")
Approximate UTM coordinates
13/459208/4399501 (zone/easting/northing)
Quadrangle map:
Squaw Pass
Average daily traffic (as of 1997)
18,800
Inventory numbers
CDOT F-15-BN (Colorado Dept. of Transportation structure number)
BH 48030 (Bridgehunter.com ID)
Inspection report (as of November 1999)
Overall condition: Fair
Superstructure condition rating: Satisfactory (6 out of 9)
Substructure condition rating: Satisfactory (6 out of 9)
Deck condition rating: Satisfactory (6 out of 9)
View more at BridgeReports.com

Update Log 

  • February 6, 2011: Added by J.P.

Sources 

  • J.P. - wildcatjon2000 [at] gmail [dot] com
  • Craig Philpott - craigphilpott63 [at] gmail [dot] com

Comments 

I 70 Tunnel
Posted September 16, 2013, by Roger Deschner (rogerdeschner [at] gmail [dot] com)

The eastbound tunnel is currently under major reconstruction to widen it to 3 lanes. http://www.coloradodot.info/projects/i70twintunnels