+48.27583, -118.71547
48°16'33" N, 118°42'56" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:SR 21 over SAN POIL RIVER
Structure number:0001513B0000000
Location:25.1 N LINCOLN CO
Purpose:Carries highway over waterway
Route classification:Major Collector (Rural) [07]
Length of largest span:44.0 ft. [13.4 m]
Total length:47.9 ft. [14.6 m]
Roadway width between curbs:24.0 ft. [7.3 m]
Deck width edge-to-edge:27.2 ft. [8.3 m]
Skew angle:20°
Owner:State Highway Agency [01]
Year built:1931
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:M 13.5 / H 15 [2]
Main span material:Concrete [1]
Main span design:Tee beam [04]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Bituminous [6]

Latest Available Inspection: September 2017

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:295 [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:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Water adequacy appraisal:Basically intolerable requiring high priority of corrrective action [3]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Channel protection:Bank protection is in need of minor repairs. River control devices and embankment protection have a little minor damage. Banks and/or channel have minor amounts of drift. [7]
Scour condition:Bridge is scour critical; bridge foundations determined to be unstable. [3]
Sufficiency rating:80.7
Recommended work:Bridge rehabilitation because of general structure deterioration or inadequate strength. [35]
Estimated cost of work:$538,000

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
September 2017FairGoodGoodSatisfactory29580.7
September 2015FairGoodSatisfactorySatisfactory24185.4
September 2013FairGoodSatisfactorySatisfactory24185.4
September 2011FairGoodSatisfactoryFair24774.1
September 2009FairGoodSatisfactoryFair27769.3
September 2007PoorGoodSatisfactorySerious27134.5
September 2006FairGoodSatisfactoryFair50065.7
September 2004FairGoodSatisfactoryFair50065.7
May 2003FairGoodSatisfactoryFair50065.7
September 2002FairGoodSatisfactoryFair50065.7
June 2001PoorSatisfactorySatisfactorySerious50029.5
August 2000PoorGoodGoodSerious20744.9
April 1998PoorGoodGoodSerious20744.9
July 1997PoorGoodGoodSerious20744.9
May 1994FairGoodGoodSatisfactory20784.7
September 1993FairGoodGoodSatisfactory52576.8
July 1991GoodGoodGoodGood52562.0