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FOREST LK. RD. 66 over W FK COTTONWOOD CREEK

Map

Coordinates:
+46.29661, -110.45009
46°17'48" N, 110°27'00" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:FOREST LK. RD. 66 over W FK COTTONWOOD CREEK
Structure number:011506000000008
Location:4.5 MI SW CNTY-COTNWD JCT
Purpose:Carries highway over waterway
Route classification:Local (Rural) [09]
Length of largest span:26.9 ft. [8.2 m]
Total length:28.5 ft. [8.7 m]
Roadway width between curbs:17.1 ft. [5.2 m]
Deck width edge-to-edge:18.7 ft. [5.7 m]
Owner:U.S. Forest Service [64]
Year built:1969
Year reconstructed:1986
Historic significance:Historical significance is not determinable at this time [4]
Design load:MS 18 / HS 20 [5]
Main span material:Wood or timber [7]
Main span design:Stringer/Multi-beam or girder [02]
Deck type:Wood or Timber [8]
Wearing surface:Wood or Timber [7]

Latest Available Inspection: June 2016

Good/Fair/Poor Condition:Poor
Status:Open, no restriction [A]
Average daily traffic:50
Deck condition:Very Good [8 out of 9]
Superstructure condition:Good [7 out of 9]
Substructure condition:Critical [2 out of 9]
Structural appraisal:Basically intolerable requiring high priority of replacement [2]
Deck geometry appraisal:Basically intolerable requiring high priority of corrrective action [3]
Water adequacy appraisal:Better than present minimum criteria [7]
Roadway alignment appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
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 is scour critical; field review indicates that extensive scour has occurred at bridge foundations. [2]
Sufficiency rating:30.4
Recommended work:Widening of existing bridge with deck rehabilitation or replacement. [34]
Estimated cost of work:$39,000

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
June 2016PoorVery GoodGoodCritical5030.4
July 2014FairGoodGoodFair5075.9
July 2012FairVery GoodGoodFair5074.6
September 2008FairVery GoodGoodFair5074.6
September 2005----5085.7
September 2002FairExcellentVery GoodFair5073.6
November 1997FairSatisfactoryGoodGood5075.4
November 1995FairFairSatisfactoryGood5075.3
October 1989FairSatisfactorySatisfactoryGood-83.8