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Youngs Bay Bridge

Clatsop County, Oregon
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Photos 

Old Youngs Bay Bridge

Photo taken by Michael Goff on August 1, 2009

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Map 

Street Views 

View Uglybridges.com report

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)
USGS topographic 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

Categories 

Astoria, Oregon (6)
Bascule (619)
Built 1921 (410)
Built during 1920s (7,344)
Clatsop County, Oregon (25)
Conde B. McCullough (101)
Fixed Trunnion Bascule (12)
Flared (405)
Have street view (13,629)
Movable (1,485)
 Navigable waterway (1,577)
Open (29,955)
Oregon (698)
Owned by state (10,354)
Span length 125-175 feet (3,071)
Structurally deficient (17,011)
Timber balustrade (6)
Total length 1000-2500 feet (1,293)
US 101 (95)

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
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Comments 

Youngs Bay Bridge
Posted July 12, 2013, by Douglas Butler (drawbridges [at] lycos [dot] com)

Drawing of a Trunnion bascule bridge.

Webmaster's note: The photo that was here has been incorporated into the main site.