+46.53735, -116.08458
46°32'14" N, 116°05'04" 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:30°
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 2016

Good/Fair/Poor Condition:Good
Status:Open, no restriction [A]
Average daily traffic:540 [as of 2015]
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]
Operating rating:51.9 tons [47.2 metric tons]
Inventory rating:30.9 tons [28.1 metric tons]
Sufficiency rating:96.4

Previous Inspections

DateSuff. RatingConditionCulvert ConditionSD/FOADT
June 201696.4Good7 out of 10-540
June 201496.4Good7 out of 10-540
June 201299.3Good7 out of 10-540
June 201099.3Good7 out of 10-540
June 200899.3Good8 out of 10-540
June 200699.3Good8 out of 10-540
June 200499.3Good8 out of 10-540
July 200299.3Good8 out of 10-540
July 200096.3Good8 out of 10-540
July 199896.3Good8 out of 10-540
July 199696.1Good8 out of 10-740
July 199496.1Good8 out of 10-740
July 199296.2Good8 out of 10-600
July 199096.2Good8 out of 10-600

Element Data

Source: National Bridge Elements dataset, 2016 edition. This feature is experimental.
ElementUnitsQuantity1. Good2. Fair3. Poor4. Serious
Steel Culvertlinear ft.6906900
Steel Protective Coatingsq. ft.3,9923,79220000