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Columbia Slough Bridge

Multnomah County, Oregon

Map 

Street View 

Facts 

Overview
Steel deck girder and flooring system bridge over Columbia Slough on OR-99W/N Interstate Ave.
Location
Portland, Multnomah County, Oregon
Status
Open to traffic
History
Built 1916
Design
Deck girder
Dimensions
Length of largest span: 78.1 ft.
Total length: 682.8 ft.
Deck width: 40.0 ft.
Also called
OR 99W Bridge
Approximate latitude, longitude
+45.58961, -122.68692   (decimal degrees)
45°35'23" N, 122°41'13" W   (degrees°minutes'seconds")
Approximate UTM coordinates
10/524421/5048499 (zone/easting/northing)
Quadrangle map:
Portland
Average daily traffic (as of 2017)
14,300
Inventory numbers
04517 01WX00511
OR 04517 (Oregon Dept. of Transportation structure number)
BH 63717 (Bridgehunter.com ID)
Inspection report (as of February 2018)
Overall condition: Fair
Superstructure condition rating: Fair (5 out of 9)
Substructure condition rating: Fair (5 out of 9)
Deck condition rating: Fair (5 out of 9)
Sufficiency rating: 53.6 (out of 100)
View more at BridgeReports.com

Categories 

Built 1916 (726)
Built during 1910s (10,013)
Deck girder (6,335)
Girder (11,222)
Have street view (29,194)
Multnomah County, Oregon (121)
 Open (41,013)
Oregon (1,262)
Owned by state (16,591)
Portland, Oregon (76)
Span length 75-100 feet (6,676)
Total length 500-1000 feet (3,090)

Update Log 

  • October 28, 2014: Added by Royce and Bobette Haley

Sources 

  • Royce and Bobette Haley - roycehaley111 [at] yahoo [dot] com

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