Rating:
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Abernethy Creek Bridge

Photos 

Abernethy Creek Bridge

Photo taken by Michael Goff in October 2010

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BH Photo #184231

Map 

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Facts 

Overview
Polygonal Warren pony truss bridge over Abernethy Creek on Holly Lane
Location
Clackamas County, Oregon
Status
Open to traffic
History
Built 1933
Design
Abernethy Creek Bridge is a single span 100-foot polygonal Warren pony truss. The bridge is unique to Oregon due to the lack of verticals truss members at every panel point. The bridge has a cantilevered walkway off of the west side of the bridge. The pedestrian rail is of the lattice steel variety.
Dimensions
Span length: 100.0 ft.
Total length: 100.0 ft.
Deck width: 24.0 ft.
Approximate latitude, longitude
+45.35969, -122.57090   (decimal degrees)
45°21'35" N, 122°34'15" W   (degrees°minutes'seconds")
Approximate UTM coordinates
10/533607/5022998 (zone/easting/northing)
Quadrangle map:
Oregon City
Inventory numbers
OR 06217 (Oregon Dept. of Transportation structure number)
BH 29849 (Bridgehunter.com ID)
Inspection (as of 05/2015)
Deck condition rating: Satisfactory (6 out of 9)
Superstructure condition rating: Satisfactory (6 out of 9)
Substructure condition rating: Good (7 out of 9)
Appraisal: Functionally obsolete
Sufficiency rating: 53.1 (out of 100)
Average daily traffic (as of 2014)
4,900

Sources 

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