Photos 

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Jacob Conser Bridge

March 22, 2007

Photo taken by Michael Goff in March 2007

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Jacob Conser Bridge

September 21, 2007

Photo taken by Michael Goff in September 2007

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Deck View

Looking West

Photo taken by Michael Goff on September 21, 2007

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Entry Pylon Details

Photo taken by Michael Goff on September 21, 2007

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Arch, Hanger, and Lateral Brace Details

Photo taken by Michael Goff on March 22, 2007

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Arch Bracing and Hangers

Photo taken by Michael Goff on March 22, 2007

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Arch Portal

looking east

Photo taken by Michael Goff on March 22, 2007

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General View From North

Photo taken by Historic American Engineering Record

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Perspective View From Northeast

Photo taken by Historic American Engineering Record

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Elevation Of Western Arch Span From North

Photo taken by Historic American Engineering Record

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Perspective View From Northwest

Photo taken by Historic American Engineering Record

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View Of Roadway From Western Portal

Photo taken by Historic American Engineering Record

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Facts 

Overview
Rainbow arch bridge over Santiam River on HWY 164
Status
Open to traffic
History
Built 1933
Builders
- Clackamas Construction Co. (Contractor)
- Conde B. McCullough (Engineer)
Design
Concrete through arch
Dimensions
Length of largest span: 200.0 ft.
Total length: 801.9 ft.
Deck width: 24.0 ft.
Vertical clearance above deck: 20.5 ft.
Also called
Santiam River Bridge
Inventory number
BH 30100 (Bridgehunter.com ID)

Update Log 

  • April 20, 2009: Posted HAER photos
  • March 12, 2009: New photos from Michael Goff
  • July 8, 2008: Updated by Michael Goff
  • June 30, 2008: Updated by Michael Goff

Sources 

  • Michael Goff - michael [dot] goff [at] odot [dot] state [dot] or [dot] us
  • HAER - Santiam River Bridge
  • HAER OR-42 - Santiam River Bridge, Spans Santiam River at State Route 164, Jefferson, Marion County, OR