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Youngs Bay Bridge

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Old Youngs Bay Bridge

Photo taken by Michael Goff on August 1, 2009

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Facts 

Overview
Bascule lift bridge over Youngs Bay on US 101 Bus.
Location
Astoria, Clatsop County, Oregon
Status
Open to traffic
History
Built 1921
Builder
- Conde B. McCullough of Redfield, North Dakota (Bridge Engineer)
Design
Dougle leaf Chicago style bascule lift
Dimensions
Length of largest span: 166.4 ft.
Total length: 1,845.3 ft.
Deck width: 20.5 ft.
Approximate latitude, longitude
+46.16873, -123.83814   (decimal degrees)
46°10'07" N, 123°50'17" W   (degrees°minutes'seconds")
Approximate UTM coordinates
10/435298/5113136 (zone/easting/northing)
Quadrangle map:
Astoria
Inventory numbers
OR 00330 (Oregon Dept. of Transportation structure number)
BH 29915 (Bridgehunter.com ID)
Inspection (as of 10/2011)
Deck condition rating: Satisfactory (6 out of 9)
Superstructure condition rating: Fair (5 out of 9)
Substructure condition rating: Poor (4 out of 9)
Appraisal: Structurally deficient
Sufficiency rating: 7.0 (out of 100)
Average daily traffic (as of 2010)
4,600

Update Log 

  • September 23, 2013: New photo from Douglas Butler
  • April 27, 2010: New Street View added by Michael Goff
  • August 5, 2009: New photos from Michael Goff
  • April 20, 2009: Posted HAER photos

Sources 

  • Elegant Arches, Soaring Spans - Robert W. Hadlow, Oregon State University Press, 2001
  • HAER OR-128 - Old Young's Bay Bridge, Spanning Young's Bay at Milepoint 6.89 on Warrento, Astoria vicinity, Clatsop County, OR
  • Mike Goff - michael [dot] goff [at] hotmail [dot] com
  • Douglas Butler