SR 26 over COW CREEK


+46.76960, -118.14191
46°46'11" N, 118°08'31" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.


Name:SR 26 over COW CREEK
Structure number:0009837B0000000
Location:8.6 E JCT SR 261
Purpose:Carries highway over waterway
Route classification:Principal Arterial - Other (Rural) [02]
Length of largest span:109.9 ft. [33.5 m]
Total length:333.0 ft. [101.5 m]
Roadway width between curbs:38.1 ft. [11.6 m]
Deck width edge-to-edge:41.0 ft. [12.5 m]
Owner:State Highway Agency [01]
Year built:1975
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:MS 18+Mod / HS 20+Mod [6]
Number of main spans:3
Main spans material:Prestressed concrete continuous [6]
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: March 2017 

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:1,228 [as of 2012]
Truck traffic:25% of total traffic
Deck condition:Satisfactory [6 out of 9]
Superstructure condition:Good [7 out of 9]
Substructure condition:Good [7 out of 9]
Structural appraisal:Better than present minimum criteria [7]
Deck geometry appraisal:Equal to present minimum criteria [6]
Water adequacy appraisal:Equal to present desirable criteria [8]
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]
Scour condition:Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Operating rating:69.9 tons [63.5 metric tons]
Inventory rating:40.9 tons [37.2 metric tons]
Sufficiency rating:99.7
Recommended work:Bridge rehabilitation because of general structure deterioration or inadequate strength. [35]
Estimated cost of work:$5,594,000

Previous Inspections 

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
March 201799.7FairSatisfactoryGoodGood-1228
March 201599.7FairSatisfactoryGoodGood-1228
March 201399.6FairSatisfactoryGoodGood-1284
March 201199.6FairSatisfactoryGoodGood-1284
May 200999.6FairSatisfactoryGoodGood-1268
April 200799.8GoodGoodGoodGood-900
June 200598.8GoodGoodGoodGood-900
May 200399.8GoodGoodGoodGood-900
March 200199.7FairSatisfactoryGoodGood-900
April 199997.6GoodGoodGoodGood-1336
August 199797.6GoodGoodGoodGood-1336
August 199595.4GoodGoodGoodGood-1336
April 199397.7GoodGoodGoodGood-940
August 199197.7FairSatisfactoryGoodGood-940