+48.48333, -118.73767
48°28'60" N, 118°44'16" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:SR 21 over SAN POIL RIVER
Structure number:000000HN0000000
Location:41.9 N LINCOLN CO
Purpose:Carries highway over waterway
Route classification:Major Collector (Rural) [07]
Length of largest span:29.9 ft. [9.1 m]
Total length:61.0 ft. [18.6 m]
Roadway width between curbs:20.0 ft. [6.1 m]
Deck width edge-to-edge:23.6 ft. [7.2 m]
Skew angle:30°
Owner:State Highway Agency [01]
Year built:1927
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Number of main spans:2
Main spans material:Concrete [1]
Main spans design:Tee beam [04]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Bituminous [6]

Latest Available Inspection: August 2018

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:578 [as of 2016]
Truck traffic:17% 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:Basically intolerable requiring high priority of corrrective action [3]
Water adequacy appraisal:Basically intolerable requiring high priority of corrrective action [3]
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:Countermeasures have been installed to mitigate an existing problem with scour. [7]
Sufficiency rating:72.7
Recommended work:Bridge rehabilitation because of general structure deterioration or inadequate strength. [35]
Estimated cost of work:$683,000

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
August 2018FairGoodGoodSatisfactory57872.7
August 2016FairGoodGoodSatisfactory44359.8
August 2014FairGoodGoodSatisfactory44359.8
September 2012FairGoodGoodFair46148.3
September 2010FairGoodGoodFair53647.5
September 2008FairGoodGoodFair53647.5
September 2006PoorGoodGoodSerious5005.0
September 2004PoorGoodGoodSerious5005.0
September 2002PoorGoodGoodSerious5009.0
August 2000FairGoodGoodFair64350.4
April 1998FairSatisfactorySatisfactoryFair64350.4
September 1996FairSatisfactorySatisfactoryFair64353.6
May 1994FairSatisfactorySatisfactoryGood53054.3
June 1992GoodGoodGoodGood53061.9