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BNSF - Oregon Slough Bridge

Multnomah County, Oregon

Photos 

B.N.S.F. - Oregon Slough Bridge

Swing Span

Photo taken by Michael Goff in April 2011

Enlarge

BH Photo #198083

Map 

Street View 

Facts 

Overview
Swing span through truss bridge over Columbia River - Oregon Slough on BNSF Railway in Portland
Location
Portland, Multnomah County, Oregon
Status
Open to traffic
History
Built 1908
Builders
- American Bridge Co. of New York (Steel Fabricator)
- Byron B. Carter
- Ralph Modjeski of Bochnia, Poland (Engineer)
Railroads
- Amtrak (AMTK)
- Amtrak Cascades
- BNSF Railway (BNSF)
- Spokane, Portland & Seattle Railway (SPS)
Design
Main span: Swing Warren through truss with sub-panels
Dimensions
Length of largest span: 335.0 ft.
Total length: 1,535.0 ft.
Also called
Columbia Slough Bridge
Approximate latitude, longitude
+45.61500, -122.70278   (decimal degrees)
45°36'54" N, 122°42'10" W   (degrees°minutes'seconds")
Approximate UTM coordinates
10/523173/5051315 (zone/easting/northing)
Quadrangle map:
Portland
Inventory number
BH 39786 (Bridgehunter.com ID)

Categories 

American Bridge Co. (1,269)
Amtrak (445)
Amtrak Cascades (19)
BNSF Railway (1,167)
Built 1908 (639)
Built during 1900s (6,502)
Byron B. Carter (1)
Center Pivot Swing Span (80)
Columbia River (37)
Have street view (24,052)
Movable (2,755)
Multnomah County, Oregon (111)
Navigable waterway (2,074)
Open (37,449)
Oregon (1,058)
 Owned by railroad (10,481)
Pin-connected (3,554)
Portland, Oregon (67)
Railroad (13,849)
Ralph Modjeski (47)
Riveted (1,971)
Span length 250-500 feet (1,088)
Spokane, Portland & Seattle Railway (62)
Swing (1,302)
Through truss (13,228)
Total length 1000-2500 feet (1,710)
Truss (29,967)
Warren through truss (1,507)
Warren through truss with sub-panels (69)
Warren truss (5,960)

Update Log 

  • February 10, 2017: New photos from Mike Garland
  • June 13, 2016: Updated by Christopher Finigan: Added categories "Pin-connected", "Riveted"
  • January 12, 2014: Updated by Luke Harden: Added category "Spokane, Portland & Seattle Railway"
  • July 31, 2013: Updated by Luke Harden: Added categories "Amtrak Cascades", "Amtrak"
  • April 27, 2011: New photos from Michael Goff
  • September 7, 2010: New Street View added by Michael Goff
  • February 9, 2009: Added by Michael Goff

Sources 

  • Mike Goff - michael [dot] goff [at] hotmail [dot] com
  • Bridges of Portland - Ray Bottenberg, Arcadia Publishing, 2007
  • The Portland Bridge Book - Sharon Wood Wortman, Oregon Historical Society Press, 2001
  • Douglas Butler
  • Mike Garland - Rapier342 [at] comcast [dot] net

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