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ELK PRAIRIE ROAD over NORTH FORK WILLAPA RIVER

Map

Coordinates:
+46.53236, -123.49503
46°31'56" N, 123°29'42" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:ELK PRAIRIE ROAD over NORTH FORK WILLAPA RIVER
Structure number:081427000000000
Location:18.3 SE JCT US 101
Purpose:Carries highway over waterway
Route classification:Minor Collector (Rural) [08]
Length of largest span:40.0 ft. [12.2 m]
Total length:100.1 ft. [30.5 m]
Roadway width between curbs:24.0 ft. [7.3 m]
Deck width edge-to-edge:26.2 ft. [8.0 m]
Owner:County Highway Agency [02]
Year built:1964
Historic significance:Historical significance is not determinable at this time [4]
Design load:M 13.5 / H 15 [2]
Number of main spans:3
Main spans material:Concrete continuous [2]
Main spans design:Slab [01]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Monolithic Concrete (concurrently placed with structural deck) [1]

Latest Available Inspection: June 2018

Good/Fair/Poor Condition:Good
Status:Posted for load [P]
Average daily traffic:95 [as of 2018]
Truck traffic:1% of total traffic
Deck condition:Good [7 out of 9]
Superstructure condition:Very Good [8 out of 9]
Substructure condition:Very Good [8 out of 9]
Structural appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Deck geometry appraisal:Equal to present minimum criteria [6]
Water adequacy appraisal:Equal to present desirable criteria [8]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Channel protection:Bank is beginning to slump. River control devices and embankment protection have widespread minor damage. There is minor stream bed movement evident. Debris is restricting the channel slightly. [6]
Scour condition:Bridge foundations determined to be stable for assessed or calculated scour condition. [5]
Sufficiency rating:72.1

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
June 2018GoodGoodVery GoodVery Good9572.1
June 2016GoodGoodVery GoodVery Good9568.7
June 2015GoodGoodVery GoodVery Good9568.7
June 2013GoodGoodVery GoodVery Good9578.5
November 2010GoodGoodVery GoodVery Good9578.5
November 2007GoodGoodVery GoodVery Good9578.5
November 2005GoodGoodVery GoodVery Good9578.5
December 2003GoodGoodVery GoodVery Good9578.5
March 2002GoodGoodGoodGood5076.8
March 2000GoodGoodGoodGood5076.8
January 1998GoodGoodGoodGood5084.5
April 1997GoodGoodGoodGood5084.5
March 1996GoodGoodGoodGood5084.5
April 1995GoodGoodGoodGood5084.5
February 1994GoodGoodGoodGood5084.5
January 1993GoodGoodGoodGood5084.5
April 1992GoodGoodGoodVery Good5084.5