Photos 

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St. Johns Bridge

Photo taken by Michael Goff on December 29, 2007

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St. Johns Bridge

Photo taken by Michael Goff on December 29, 2007

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St. Johns Bridge

Photo taken by Michael Goff on December 29, 2007

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Perspective View From Southwest

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Below-Deck View From West Bank

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Perspective View Of West Tower From Southwest

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Western Portal From Approach Road

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Concrete Base To Eastern Tower

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Suspender Cable Connection To Top Chord Of Deck Truss, Looking West

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Center Span Cable Connection With New Cable Saddles

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Bridge Plate, West Tower

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Concrete Approach Towers From East Bank

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Detail, Anchorage At Northeast Abutment

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Detail, Prestressed Cables, Northeast Anchorage

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Anchorage Detail

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Anchorage Detail

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Map 

Facts 

Overview
Suspension bridge over Willamette River on US 30 Bypass in Portland
Location
Portland, Multnomah County, Oregon
Status
Open to traffic
History
Built 1931
Builders
- David B. Steinman
- Gilpin Construction
- John A. Roebling's Sons Co.
- Lindstrom & Feigenson
- Robinson and Steinman Engineering
Design
Wire suspension
Dimensions
Length of largest span: 1,207.0 ft.
Total length: 3,606.1 ft.
Deck width: 40.0 ft.
Vertical clearance above deck: 18.0 ft.
Approximate latitude, longitude
+45.58542, -122.76389   (decimal degrees)
45°35'08" N, 122°45'50" W   (degrees°minutes'seconds")
Approximate UTM coordinates
10/518418/5048013 (zone/easting/northing)
USGS topographic map
Linnton
Inventory number
BH 29896 (Bridgehunter.com ID)

Update Log 

  • April 20, 2009: Posted HAER photos
  • July 8, 2008: Updated by Michael Goff
  • July 1, 2008: Updated by Michael Goff: Updated information
  • June 25, 2008: New photos from Michael Goff

Sources 

  • James Baughn - webmaster [at] bridgehunter [dot] com
  • Michael Goff - michael [dot] goff [at] odot [dot] state [dot] or [dot] us
  • St. Johns Bridge HAER Webpage
  • HAER OR-40 - St. John's Bridge, Spans Willamette River at US Highway 30, Portland, Multnomah County, OR