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Rocky Butte Tunnel

Photos 

Rocky Butte Tunnel

Lower Portal

Photo taken by Michael Goff on September 19, 2008

Enlarge

BH Photo #126586

Map 

Facts 

Overview
Tunnel under Rocky Butte on Rocky Butte Road in Portland
Location
Portland, Multnomah County, Oregon
Status
Open to traffic
History
Built 1939
Design
The Rocky Butte Tunnel is one of seven Oregon Tunnels featuring National Park rustic-style masonry portals built between 1937 and 1941.
(Oregon Department of Transportation)
Dimensions
Span length: 400.0 ft.
Total length: 400.0 ft.
Approximate latitude, longitude
+45.54616, -122.56802   (decimal degrees)
45°32'46" N, 122°34'05" W   (degrees°minutes'seconds")
Approximate UTM coordinates
10/533721/5043715 (zone/easting/northing)
Quadrangle map:
Mount Tabor
Average daily traffic (as of 1980)
100
Inventory number
BH 29885 (Bridgehunter.com ID)
Inspection report (as of April 1990)
Overall condition: Good
Superstructure condition rating: Good (7 out of 9)
Substructure condition rating: Good (7 out of 9)
View more at BridgeReports.com

Update Log 

  • September 8, 2010: New Street View added by Michael Goff
  • October 22, 2008: New photos from Michael Goff

Sources 

  • James Baughn - webmaster [at] bridgehunter [dot] com
  • Mike Goff - michael [dot] goff [at] hotmail [dot] com

Comments 

Rocky Butte Tunnel
Posted February 15, 2008, by D.E. Thomas (dethomas01 [at] yahoo [dot] com)

Rocky Butte Tunnel is not in Clackamas County. It is in Multnomah County. I doubt that it is 400 ft. long, either.