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SILVER CK RD 00670 over NINE MILE CREEK

Ferry County, Washington

Map

Coordinates:
+48.07032, -118.45574
48°04'13" N, 118°27'21" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:SILVER CK RD 00670 over NINE MILE CREEK
Structure number:084149000000000
Location:19.05 E SR 21
Purpose:Carries highway over waterway
Route classification:Minor Collector (Rural) [08]
Length of largest span:24.9 ft. [7.6 m]
Total length:50.9 ft. [15.5 m]
Roadway width between curbs:24.0 ft. [7.3 m]
Deck width edge-to-edge:26.6 ft. [8.1 m]
Owner:County Highway Agency [02]
Year built:1958
Historic significance:Historical significance is not determinable at this time [4]
Design load:MS 13.5 / HS 15 [3]
Number of main spans:2
Main spans material:Concrete [1]
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: June 2017

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:65 [as of 2015]
Truck traffic:20% of total traffic
Deck condition:Fair [5 out of 9]
Superstructure condition:Satisfactory [6 out of 9]
Substructure condition:Satisfactory [6 out of 9]
Structural appraisal:Equal to present minimum criteria [6]
Deck geometry appraisal:Equal to present minimum criteria [6]
Water adequacy appraisal:Better than present minimum criteria [7]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Channel protection:Bank protection is in need of minor repairs. River control devices and embankment protection have a little minor damage. Banks and/or channel have minor amounts of drift. [7]
Scour condition:Bridge foundations determined to be stable for assessed or calculated scour condition. [5]
Sufficiency rating:92.4

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
June 2017FairFairSatisfactorySatisfactory6592.4
June 2015FairFairSatisfactorySatisfactory6597.1
June 2013FairFairSatisfactorySatisfactory6597.1
June 2011FairFairSatisfactorySatisfactory6597.1
June 2009FairFairSatisfactorySatisfactory6597.1
April 2007FairFairSatisfactorySatisfactory6594.1
April 2005FairFairSatisfactorySatisfactory6594.1
April 2003FairFairSatisfactorySatisfactory6594.1
January 2001FairSatisfactorySatisfactorySatisfactory6598.6
October 1999FairSatisfactorySatisfactorySatisfactory4498.6
December 1998FairSatisfactorySatisfactoryFair6987.5
October 1996FairSatisfactorySatisfactoryFair6987.5
November 1994FairSatisfactorySatisfactorySatisfactory6998.6
December 1993FairSatisfactorySatisfactoryGood6998.6
November 1992FairSatisfactorySatisfactoryGood6998.6
April 1990GoodGoodGoodGood8098.5