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SR 4 over W FK SKAMOKAWA CR

Map

Coordinates:
+46.28928, -123.46722
46°17'21" N, 123°28'02" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:SR 4 over W FK SKAMOKAWA CR
Structure number:0002330A0000000
Location:22.7 E JCT SR 401
Purpose:Carries highway and pedestrian walkway over waterway
Route classification:Principal Arterial - Other (Rural) [02]
Length of largest span:17.1 ft. [5.2 m]
Total length:69.9 ft. [21.3 m]
Roadway width between curbs:24.0 ft. [7.3 m]
Deck width edge-to-edge:30.5 ft. [9.3 m]
Owner:State Highway Agency [01]
Year built:1938
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:M 13.5 / H 15 [2]
Number of main spans:4
Main spans material:Wood or timber [7]
Main spans design:Stringer/Multi-beam or girder [02]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Monolithic Concrete (concurrently placed with structural deck) [1]

Latest Available Inspection: April 2018

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:1,301 [as of 2016]
Truck traffic:15% of total traffic
Deck condition:Satisfactory [6 out of 9]
Superstructure condition:Good [7 out of 9]
Substructure condition:Good [7 out of 9]
Structural appraisal:Better than present minimum criteria [7]
Deck geometry appraisal:Meets minimum tolerable limits to be left in place as is [4]
Water adequacy appraisal:Equal to present minimum criteria [6]
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 the assessed or calculated scour condition. [8]
Sufficiency rating:82.5
Recommended work:Bridge rehabilitation because of general structure deterioration or inadequate strength. [35]
Estimated cost of work:$952,000

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
April 2018FairSatisfactoryGoodGood130182.5
April 2016FairSatisfactoryGoodGood132882.5
April 2014FairSatisfactoryGoodGood132882.5
April 2012FairSatisfactoryGoodGood117982.6
April 2010FairSatisfactoryGoodGood154482.5
May 2008FairSatisfactoryGoodGood154480.5
June 2006FairSatisfactoryGoodGood144680.5
November 2004FairSatisfactoryGoodGood144680.5
September 2002FairSatisfactoryGoodGood144680.5
August 2000FairSatisfactoryGoodGood144680.5
June 1998FairSatisfactoryGoodGood144682.5
December 1996FairSatisfactoryGoodGood155280.5
November 1994FairSatisfactoryGoodGood155278.2
February 1992GoodGoodGoodGood175058.6

Element Data

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.
ElementUnitsQuantity1-Good2-Fair3-Poor4-Serious
Superstructure
Timber Girder/Beamlinear ft.1,0501,050000
Deck
Reinforced Concrete Decksq. ft.1,6801,680000
Substructure
Reinforced Concrete Abutmentlinear ft.8080000
Timber Pileeach1515000
Timber Pier Caplinear ft.150150000
Joints
Pourable Jointlinear ft.48024024
Open Jointlinear ft.120012000
Bridge Rail
Steel or Aluminum Bridge Raillinear ft.140140000
Reinforced Concrete Bridge Raillinear ft.140140000