I-70 Veterans Memorial Tunnels

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, US 6, US 40

Location

Clear Creek County, Colorado

Status

Open to traffic

History

Built 1961; widened to 3 lanes each and refaced in 2015

Design

Tunnel

Dimensions

Span length: 725.1 ft.
Total length: 725.1 ft.

Also called

Twin Tunnels

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

Categories 

Update Log 

• April 29, 2022: New photo from Roger Deschner
• November 12, 2021: Updated by Roger Deschner: Added categories "US 6", "US 40"
• September 3, 2020: Updated by Geoff Hubbs: Updated name and history
• February 6, 2011: Added by J.P.

Related Bridges 

• US 6/40 Idaho Springs Bridge (Predecessor) - Also used as a bypass during tunnel reconstruction in 2015

Sources 

• J.P. - wildcatjon2000 [at] gmail [dot] com
• Craig Philpott - craigphilpott63 [at] gmail [dot] com
• Geoff Hubbs
• Roger Deschner - rogerdeschner [at] gmail [dot] com

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