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Thorn Hollow Road over Whetstone Creek

Columbia County, Washington

Map

Coordinates:
+46.35216, -118.07661
46°21'08" N, 118°04'36" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:Thorn Hollow Road over Whetstone Creek
Structure number:088819000000000
Location:0.03 Miles SE JCT 25860
Purpose:Carries highway over waterway
Route classification:Major Collector (Rural) [07]
Length of largest span:40.0 ft. [12.2 m]
Total length:42.0 ft. [12.8 m]
Roadway width between curbs:26.2 ft. [8.0 m]
Deck width edge-to-edge:27.9 ft. [8.5 m]
Owner:County Highway Agency [02]
Year built:2015
Historic significance:Historical significance is not determinable at this time [4]
Main span material:Prestressed concrete [5]
Main span design:Stringer/Multi-beam or girder [02]
Deck type:Other [9]
Wearing surface:Bituminous [6]

Latest Available Inspection: October 2018

Good/Fair/Poor Condition:Good
Status:Open, no restriction [A]
Average daily traffic:200 [as of 2015]
Truck traffic:15% of total traffic
Deck condition:Very Good [8 out of 9]
Superstructure condition:Very Good [8 out of 9]
Substructure condition:Very Good [8 out of 9]
Structural appraisal:Equal to present desirable criteria [8]
Deck geometry appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Water adequacy appraisal:Equal to present minimum criteria [6]
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 with "unknown" foundation that has not been evaluated for scour. [U]
Sufficiency rating:98.9

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
October 2018GoodVery GoodVery GoodVery Good20098.9
October 2016GoodVery GoodVery GoodVery Good20098.9
October 2015GoodVery GoodVery GoodVery Good20098.9