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Tualatin River Bridge

Washington County, Oregon

Photos 

Tualatin River Bridge

Photo taken by Michael Goff on July 26, 2010

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BH Photo #170857

Map 

Street View 

Facts 

Overview
Warren deck truss bridge over Tualatin River on OR 99W SB in Tualatin
Location
Washington County, Oregon
Status
Open to traffic
History
Built 1929
Builders
- Conde B. McCullough of Redfield, South Dakota (Bridge Engineer)
- Northwest Contract Co. (Contractor)
Design
The Tualatin River Bridge is a 150-foot steel Warren deck truss crossing the Tualatin River near King City, Oregon. The bridge has nine 40-foot reinforced concrete deck girder approach spans, four on the south approach and five on the north.
The bridge features many of the standard details used by the Oregon State Highway Department during the tenure of State Bridge Engineer Conde B. McCullough. The concrete approach spans feature brush hammered inset panels on the girders, and curved architectural sidewalk floorbeams.
Dimensions
Length of largest span: 150.0 ft.
Total length: 510.0 ft.
Deck width: 27.0 ft.
Recognition
Eligible for the National Register of Historic Places
Approximate latitude, longitude
+45.39389, -122.79917   (decimal degrees)
45°23'38" N, 122°47'57" W   (degrees°minutes'seconds")
Approximate UTM coordinates
10/515719/5026727 (zone/easting/northing)
Quadrangle map:
Beaverton
Average daily traffic (as of 2017)
15,400
Inventory numbers
OR 01417S (Oregon Dept. of Transportation structure number)
BH 29890 (Bridgehunter.com ID)
Inspection report (as of February 2018)
Overall condition: Fair
Superstructure condition rating: Satisfactory (6 out of 9)
Substructure condition rating: Satisfactory (6 out of 9)
Deck condition rating: Fair (5 out of 9)
Sufficiency rating: 54.8 (out of 100)
View more at BridgeReports.com

Categories 

Built 1929 (1,070)
Built during 1920s (10,332)
Concrete balustrade (894)
Conde B. McCullough (130)
Deck truss (1,976)
Functionally obsolete (5,760)
Have street view (29,924)
NR-eligible (4,125)
Northwest Contract Co. (2)
OR 99 (26)
OR 99W (9)
 Open (41,215)
Oregon (1,271)
Owned by state (16,662)
Span length 125-175 feet (4,501)
Total length 500-1000 feet (3,137)
Truss (36,836)
US 99 (76)
Warren deck truss (681)
Warren truss (7,095)
Washington County, Oregon (21)

Update Log 

  • July 27, 2010: New photos from Michael Goff
  • April 25, 2010: New Street View added by Nathan Holth

Sources 

  • Nathan Holth
  • Mike Goff - michael [dot] goff [at] hotmail [dot] com

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