Photos
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Oregon City Bridge Photo taken by Michael Goff on September 6, 2007 |
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Deck View looking into Oregon City Photo taken by Michael Goff on August 5, 2007 |
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Obelisk Detail part of abandoned pedestrian overlooks Photo taken by Michael Goff on August 5, 2007 |
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Deck View of Through Arch Photo taken by Michael Goff on August 5, 2007 |
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Main Span Arch from West Linn side of the Willamette River Photo taken by Michael Goff on August 5, 2007 |
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Main Span Arch from northeast - Oregon City Photo taken by Michael Goff on August 5, 2007 |
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Center Line Deck View looking east towards Oregon City Photo taken by Michael Goff on August 5, 2007 |
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Oregon City Bridge oto taken by Michael Goff on August 5, 2007 |
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Oregon City Arch Photo taken by Historic American Engineering Record |
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Oregon City Arch Photo taken by Historic American Engineering Record |
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General View From Southeast Overlook Photo taken by Historic American Engineering Record |
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Perspective View From Southwest Photo taken by Historic American Engineering Record |
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Perspective View From South Photo taken by Historic American Engineering Record |
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Profile From North Photo taken by Historic American Engineering Record |
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Detail, Fromwork Near Roadway From Midspan Photo taken by Historic American Engineering Record |
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Perspective View From Southeast Overlook Photo taken by Historic American Engineering Record |
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Oregon City Bridge Photo taken by Historic American Engineering Record |
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Oregon City Bridge Photo taken by Historic American Engineering Record |
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Oregon City Bridge Photo taken by Historic American Engineering Record |
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Oregon City Bridge Photo taken by Historic American Engineering Record |
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Oregon City Bridge Photo taken by Historic American Engineering Record |
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Oregon City Bridge Photo taken by Historic American Engineering Record |
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Oregon City Bridge Photo taken by Historic American Engineering Record |
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Oregon City Bridge Photo taken by Historic American Engineering Record |
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Oregon City Bridge Photo taken by Historic American Engineering Record |
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Oregon City Bridge Photo taken by Historic American Engineering Record |
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Oregon City Bridge Photo taken by Historic American Engineering Record |
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Oregon City Bridge Photo taken by Historic American Engineering Record |
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Oregon City Bridge Photo taken by Historic American Engineering Record |
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Oregon City Bridge Photo taken by Historic American Engineering Record |
Facts
- Overview
- Steel through arch bridge over Willamette River on HWY 3 in Oregon City
- Location
- Oregon City, Clackamas County, Oregon
- Status
- Open to traffic
- History
- Built 1922
- Builders
- - A. Guthrie & Co.
- Conde B. McCullough
- Design
- The main structural portions of the arch section of the bridge are made of steel. The arch ribs are hollow steel boxes riveted together. These, and the steel floor beams and stringers which support the deck, are encased in a 1-1/2 inch coating of sprayed concrete, called Gunite.
The columns and hangers supporting the deck from the arch ribs are steel sections. The Xshaped cross bracing between the arches are steel trusses. Both of these are encased in solid concrete. The lower arch ribs are connected to appear as a solid spandrel.
Information from ODOT Website
http://www.oregon.gov/ODOT/HWY/REGION1 - Dimensions
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Length of largest span: 360.0 ft.
Total length: 745.0 ft.
Deck width: 19.0 ft.
Vertical clearance above deck: 14.0 ft.
- Also called
- Willamette River Bridge
- Approximate latitude, longitude
- +45.21322, -122.36344 (decimal degrees)
45°12'48" N, 122°21'48" W (degrees°minutes'seconds") - Approximate UTM coordinates
- 10/549984/5006834 (zone/easting/northing)
- USGS topographic map
- Elwood
- Inventory number
- BH 29898 (Bridgehunter.com ID)
- Inspection (as of 01/2008)
- Deck condition rating: Poor (4 out of 9)
Superstructure condition rating: Poor (4 out of 9)
Substructure condition rating: Fair (5 out of 9)
Appraisal: Structurally deficient
Sufficiency rating: 7.5 (out of 100) - Average daily traffic (as of 2006)
- 14,200
Update Log
- April 20, 2009: Posted HAER photos
- February 19, 2009: Updated by Michael Goff
- August 20, 2008: Updated by Michael Goff
- July 28, 2008: Updated by Michael Goff
- June 9, 2008: New photos from Michael Goff
Sources
- Michael Goff - michael [dot] goff [at] odot [dot] state [dot] or [dot] us
- Oregon City Bridge: Historical Preservation Project - Oregon Department of Transportation project website on the plan to restore the Oregon City Bridge.
- Oregon City Bridge HAER Webpage
- HAER OR-31 - Willamette River Bridge, Spanning Willamette River on Oswego Highway 3, Oregon City, Clackamas County, OR