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SR 4 over W FK SKAMOKAWA CR

Wahkiakum County, Washington

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

Date	Condition	Deck	Superstructure	Substructure	ADT	Suff. Rating
April 2018	Fair	Satisfactory	Good	Good	1301	82.5
April 2016	Fair	Satisfactory	Good	Good	1328	82.5
April 2014	Fair	Satisfactory	Good	Good	1328	82.5
April 2012	Fair	Satisfactory	Good	Good	1179	82.6
April 2010	Fair	Satisfactory	Good	Good	1544	82.5
May 2008	Fair	Satisfactory	Good	Good	1544	80.5
June 2006	Fair	Satisfactory	Good	Good	1446	80.5
November 2004	Fair	Satisfactory	Good	Good	1446	80.5
September 2002	Fair	Satisfactory	Good	Good	1446	80.5
August 2000	Fair	Satisfactory	Good	Good	1446	80.5
June 1998	Fair	Satisfactory	Good	Good	1446	82.5
December 1996	Fair	Satisfactory	Good	Good	1552	80.5
November 1994	Fair	Satisfactory	Good	Good	1552	78.2
February 1992	Good	Good	Good	Good	1750	58.6

Element Data

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.

Element	Units	Quantity	1-Good	2-Fair	3-Poor	4-Serious
Superstructure
Timber Girder/Beam	linear ft.	1,050	1,050	0	0	0
Deck
Reinforced Concrete Deck	sq. ft.	1,680	1,680	0	0	0
Substructure
Reinforced Concrete Abutment	linear ft.	80	80	0	0	0
Timber Pile	each	15	15	0	0	0
Timber Pier Cap	linear ft.	150	150	0	0	0
Joints
Pourable Joint	linear ft.	48	0	24	0	24
Open Joint	linear ft.	120	0	120	0	0
Bridge Rail
Steel or Aluminum Bridge Rail	linear ft.	140	140	0	0	0
Reinforced Concrete Bridge Rail	linear ft.	140	140	0	0	0

© Copyright 2012-20, James Baughn
Disclaimer: All data is taken from the National Bridge Inventory and has not been verified.
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