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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:4.5 MI 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:M 18 / H 20 [4]
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 2014 

Status:Open, no restriction [A]
Average daily traffic:300 [as of 2014]
Truck traffic:12% of total traffic
Deck condition:Satisfactory [6 out of 9]
Superstructure condition:Satisfactory [6 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:Meets minimum tolerable limits to be left in place as is [4]
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 the assessed or calculated scour condition. [8]
Operating rating:48.5 tons [44.1 metric tons]
Inventory rating:35.6 tons [32.4 metric tons]
Sufficiency rating:96.8

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
October 201496.8Not deficientSatisfactorySatisfactorySatisfactory300
November 201196.8Not deficientSatisfactorySatisfactorySatisfactory300
April 201094.8Not deficientSatisfactorySatisfactorySatisfactory300
June 200879.6Structurally deficientPoorFairSatisfactory300
September 200579.6Structurally deficientPoorFairSatisfactory300
May 200379.6Structurally deficientPoorFairSatisfactory300
September 200195.8Not deficientGoodGoodSatisfactory153
October 199797.8Not deficientGoodGoodSatisfactory153
October 199597.8Not deficientGoodGoodSatisfactory151
October 199397.9Not deficientGoodGoodSatisfactory100