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STEAMBOAT SL ROAD over BROOKS SLOUGH

Wahkiakum County, Washington

Map

Coordinates:
+46.26908, -123.45461
46°16'09" N, 123°27'17" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.

Name:	STEAMBOAT SL ROAD over BROOKS SLOUGH
Structure number:	082249000000000
Location:	0.1 S JCT SR 4
Purpose:	Carries highway over waterway
Route classification:	Local (Rural) `[09]`
Length of largest span:	71.9 ft. `[21.9 m]`
Total length:	137.1 ft. `[41.8 m]`
Roadway width between curbs:	24.0 ft. `[7.3 m]`
Deck width edge-to-edge:	25.9 ft. `[7.9 m]`
Owner:	County Highway Agency `[02]`
Year built:	1959
Historic significance:	Historical significance is not determinable at this time `[4]`
Design load:	MS 18 / HS 20 `[5]`
Number of main spans:	3
Main spans material:	Prestressed concrete `[5]`
Main spans design:	Stringer/Multi-beam or girder `[02]`
Deck type:	Other `[9]`
Wearing surface:	Bituminous `[6]`

Latest Available Inspection: August 2018

Good/Fair/Poor Condition:	Fair
Status:	Open, no restriction `[A]`
Average daily traffic:	187 `[as of 2014]`
Truck traffic:	5% of total traffic
Deck condition:	Good `[7 out of 9]`
Superstructure condition:	Satisfactory `[6 out of 9]`
Substructure condition:	Fair `[5 out of 9]`
Structural appraisal:	Somewhat better than minimum adequacy to tolerate being left in place as is `[5]`
Deck geometry appraisal:	Somewhat better than minimum adequacy to tolerate being left in place as is `[5]`
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 is scour critical; bridge foundations determined to be unstable. `[3]`
Sufficiency rating:	78.5
Recommended work:	Other structural work, including hydraulic replacements. `[38]`
Estimated cost of work:	$1,425,000

Previous Inspections

Date	Condition	Deck	Superstructure	Substructure	ADT	Suff. Rating
August 2018	Fair	Good	Satisfactory	Fair	187	78.5
August 2016	Fair	Good	Satisfactory	Fair	187	78.3
August 2014	Fair	Good	Satisfactory	Fair	187	78.3
August 2012	Fair	Good	Satisfactory	Fair	150	78.3
September 2010	Fair	Good	Satisfactory	Fair	150	78.3
August 2008	Fair	Good	Satisfactory	Fair	150	78.3
July 2006	Fair	Good	Satisfactory	Satisfactory	150	91.4
August 2004	Fair	Good	Satisfactory	Satisfactory	150	91.4
September 2002	Fair	Good	Satisfactory	Satisfactory	150	91.4
October 2000	Fair	Good	Satisfactory	Satisfactory	150	91.4
September 1998	Good	Very Good	Very Good	Very Good	150	86.4
September 1996	Good	Very Good	Very Good	Very Good	150	86.4
September 1994	Good	Very Good	Very Good	Very Good	150	85.9
June 1992	Good	Very Good	Very Good	Very Good	150	85.9
November 1990	Good	Very Good	Very Good	Very Good	150	85.9

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