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COYAN RD. over POTHOLES CANAL

Map

Coordinates:
+46.72308, -119.03659
46°43'23" N, 119°02'12" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:COYAN RD. over POTHOLES CANAL
Structure number:080076000000000
Location:0.10 W JCT SR-17
Purpose:Carries highway over waterway
Route classification:Local (Rural) [09]
Length of largest span:28.9 ft. [8.8 m]
Total length:84.0 ft. [25.6 m]
Roadway width between curbs:23.3 ft. [7.1 m]
Deck width edge-to-edge:24.9 ft. [7.6 m]
Owner:County Highway Agency [02]
Year built:1955
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:Wood or timber [7]
Main spans design:Stringer/Multi-beam or girder [02]
Deck type:Wood or Timber [8]
Wearing surface:Bituminous [6]

Latest Available Inspection: November 2018

Good/Fair/Poor Condition:Poor
Status:Posted for load [P]
Average daily traffic:92 [as of 2015]
Truck traffic:24% of total traffic
Deck condition:Good [7 out of 9]
Superstructure condition:Poor [4 out of 9]
Substructure condition:Good [7 out of 9]
Structural appraisal:Basically intolerable requiring high priority of replacement [2]
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 minimum criteria [6]
Channel protection:Banks are protected or well vegetated. River control devices such as spur dikes and embankment protection are not required or are in a stable condition. [8]
Scour condition:Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Sufficiency rating:39.9
Recommended work:Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. [31]
Estimated cost of work:$2,858,000

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
November 2018PoorGoodPoorGood9239.9
December 2016PoorGoodPoorGood9239.9
December 2014FairGoodSatisfactoryGood8978.8
December 2012FairGoodSatisfactoryGood8978.8
January 2011FairGoodSatisfactoryGood13171.8
January 2009FairGoodSatisfactoryGood13171.8
January 2007FairGoodSatisfactoryGood8878.8
December 2004FairGoodSatisfactoryGood8878.8
March 2003FairGoodSatisfactoryGood12370.8
January 2001GoodGoodGoodVery Good12370.8
January 1999GoodGoodGoodVery Good12370.8
January 1997GoodGoodGoodVery Good12370.8
March 1991GoodGoodVery GoodVery Good37061.8