+46.53806, -116.07361
46°32'17" N, 116°04'25" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:STC 4782 over WHISKEY CREEK
Structure number:000000000020290
Location:4.2 N. 8.9 E. OROFINO
Purpose:Carries highway over waterway
Route classification:Major Collector (Rural) [07]
Length of largest span:28.9 ft. [8.8 m]
Total length:28.9 ft. [8.8 m]
Roadway width between curbs:67.9 ft. [20.7 m]
Deck width edge-to-edge:67.9 ft. [20.7 m]
Skew angle:60°
Owner:County Highway Agency [02]
Year built:1962
Historic significance:Bridge is possibly eligible for the National Register of Historic Places [3]
Design load:MS 18 / HS 20 [5]
Main span material:Steel [3]
Main span design:Culvert [19]
Deck type:Not applicable [N]

Latest Available Inspection: June 2018

Good/Fair/Poor Condition:Good
Status:Open, no restriction [A]
Average daily traffic:540 [as of 2016]
Truck traffic:6% of total traffic
Structural appraisal:Better than present minimum criteria [7]
Deck geometry appraisal:Superior to present desirable criteria [9]
Water adequacy appraisal:Superior to present desirable criteria [9]
Roadway alignment appraisal:Equal to present desirable criteria [8]
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]
Culvert condition:Shrinkage cracks, light scaling and insignificant spalling which does not expose reinforcing steel. Insignificant damage caused by drift with no misalignment and not requiring corrective action. Some minor scouring has occured near curtain walls, wingwalls or pipes. Metal culverts have a smooth symmetrical curvature with superficial corrosion and no pitting. [7]
Scour condition:Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Sufficiency rating:99.3

Previous Inspections

DateConditionCulvert ConditionADTSuff. Rating
June 2018Good7 out of 1054099.3
June 2016Good7 out of 1054096.4
June 2014Good7 out of 1054096.4
June 2012Good7 out of 1054099.3
June 2010Good7 out of 1054099.3
June 2008Good8 out of 1054099.3
June 2006Good8 out of 1054099.3
June 2004Good8 out of 1054099.3
July 2002Good8 out of 1054099.3
July 2000Good8 out of 1054096.3
July 1998Good8 out of 1054096.3
July 1996Good8 out of 1074096.1
July 1994Good8 out of 1074096.1
July 1992Good8 out of 1060096.2
July 1990Good8 out of 1060096.2

Element Data

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.
Steel Culvertlinear ft.6906900
Steel Protective Coatingsq. ft.3,9923,79220000