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IRR BIA RTE 9 over OWYHEE RIVER

Map

Coordinates:
+41.98833, -116.14833
41°59'18" N, 116°08'54" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.

Facts

Name:IRR BIA RTE 9 over OWYHEE RIVER
Structure number:00000000000H305
Location:7.3 KM SE TO OWYHEE
Purpose:Carries highway over waterway
Route classification:Minor Collector (Rural) [08]
Length of largest span:24.9 ft. [7.6 m]
Total length:76.1 ft. [23.2 m]
Roadway width between curbs:30.2 ft. [9.2 m]
Deck width edge-to-edge:30.8 ft. [9.4 m]
Skew angle:15°
Owner:Bureau of Indian Affairs [62]
Year built:1940
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:MS 18 / HS 20 [5]
Number of main spans:3
Main spans material:Concrete [1]
Main spans design:Stringer/Multi-beam or girder [02]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Bituminous [6]

Latest Available Inspection: October 2016

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:300 [as of 2016]
Truck traffic:12% of total traffic
Deck condition:Satisfactory [6 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:Equal to present minimum criteria [6]
Water adequacy appraisal:Equal to present minimum criteria [6]
Roadway alignment appraisal:Equal to present desirable criteria [8]
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]
Operating rating:48.5 tons [44.1 metric tons]
Inventory rating:35.6 tons [32.4 metric tons]
Sufficiency rating:98.8

Previous Inspections

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
October 201698.8FairSatisfactoryGoodSatisfactory-300
October 201496.8FairSatisfactorySatisfactorySatisfactory-300
November 201196.8FairSatisfactorySatisfactorySatisfactory-300
April 201094.8FairSatisfactorySatisfactorySatisfactory-300
June 200879.6PoorPoorFairSatisfactorySD300
September 200579.6PoorPoorFairSatisfactorySD300
May 200379.6PoorPoorFairSatisfactorySD300
September 200195.8FairGoodGoodSatisfactory-153
October 199797.8FairGoodGoodSatisfactory-153
October 199597.8FairGoodGoodSatisfactory-151
October 199397.9FairGoodGoodSatisfactory-100