+48.99102, -118.50522
48°59'28" N, 118°30'19" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:CO RD 06470 over KETTLE RIVER
Structure number:085717000000000
Location:00.18 E SR 21
Purpose:Carries highway over waterway
Route classification:Local (Rural) [09]
Length of largest span:96.1 ft. [29.3 m]
Total length:288.1 ft. [87.8 m]
Roadway width between curbs:20.0 ft. [6.1 m]
Deck width edge-to-edge:21.7 ft. [6.6 m]
Owner:County Highway Agency [02]
Year built:1910
Year reconstructed:1978
Historic significance:Historical significance is not determinable at this time [4]
Design load:MS 18 / HS 20 [5]
Number of main spans:3
Main spans material:Prestressed concrete [5]
Main spans design:Tee beam [04]
Deck type:Other [9]
Wearing surface:Monolithic Concrete (concurrently placed with structural deck) [1]

Latest Available Inspection: August 2018

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:30 [as of 2018]
Truck traffic:5% of total traffic
Deck condition:Good [7 out of 9]
Superstructure condition:Good [7 out of 9]
Substructure condition:Satisfactory [6 out of 9]
Structural appraisal:Equal to present minimum criteria [6]
Deck geometry appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Water adequacy appraisal:Better than present minimum criteria [7]
Roadway alignment appraisal:Equal to present minimum criteria [6]
Channel protection:Bank is beginning to slump. River control devices and embankment protection have widespread minor damage. There is minor stream bed movement evident. Debris is restricting the channel slightly. [6]
Scour condition:Bridge foundations determined to be stable for assessed or calculated scour condition. [5]
Sufficiency rating:96.0

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
August 2018FairGoodGoodSatisfactory3096.0
June 2016FairGoodGoodSatisfactory2692.0
May 2014FairGoodVery GoodSatisfactory2692.0
June 2012FairGoodVery GoodSatisfactory2492.0
May 2010FairGoodVery GoodSatisfactory2492.0
June 2008FairGoodVery GoodSatisfactory8292.0
April 2006FairGoodVery GoodFair8281.0
April 2004FairGoodVery GoodFair8281.0
April 2003FairGoodVery GoodFair8281.0
December 2000FairGoodVery GoodSatisfactory8292.0
October 1999FairGoodVery GoodSatisfactory8292.0
November 1998FairGoodVery GoodSatisfactory8292.0
October 1996FairGoodVery GoodSatisfactory8292.0
December 1994GoodGoodVery GoodGood8292.0
December 1993GoodVery GoodVery GoodGood8292.0
November 1992GoodVery GoodVery GoodGood8292.0
December 1991GoodVery GoodVery GoodVery Good8292.0