Share:

IRR BIA RTE 12 over HIGHLAND CANAL

Map

Coordinates:
+41.92584, -116.11193
41°55'33" N, 116°06'43" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.

Facts

Name:IRR BIA RTE 12 over HIGHLAND CANAL
Structure number:00000000000H309
Location:4.7 KM SW OF OWYHEE
Purpose:Carries highway over waterway
Route classification:Local (Rural) [09]
Length of largest span:20.3 ft. [6.2 m]
Total length:22.3 ft. [6.8 m]
Roadway width between curbs:14.8 ft. [4.5 m]
Deck width edge-to-edge:25.9 ft. [7.9 m]
Owner:Bureau of Indian Affairs [62]
Year built:1940
Historic significance:Bridge is not eligible for the National Register of Historic Places [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: October 2016

Good/Fair/Poor Condition:Poor
Status:Open, posting recommended but not legally implemented [B]
Average daily traffic:20 [as of 2016]
Truck traffic:10% of total traffic
Deck condition:Serious [3 out of 9]
Superstructure condition:Satisfactory [6 out of 9]
Substructure condition:Fair [5 out of 9]
Structural appraisal:Basically intolerable requiring high priority of corrrective action [3]
Deck geometry appraisal:Equal to present minimum criteria [6]
Water adequacy appraisal:Better than present minimum criteria [7]
Roadway alignment appraisal:Equal to present minimum criteria [6]
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 conditions; field review indicates action is required. [4]
Operating rating:5.5 tons [5.0 metric tons]
Inventory rating:4.2 tons [3.8 metric tons]
Sufficiency rating:23.5

Previous Inspections

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
October 201623.5PoorSeriousSatisfactoryFair-20
October 201441.6PoorSeriousFairFairSD20
November 201128.4PoorSeriousFairFairSD20
April 201030.4PoorPoorSatisfactoryFairSD20
June 200836.6PoorPoorFairFairSD50
September 200532.0FairFairSatisfactoryFair-50
May 200332.0FairFairGoodFair-50
September 200142.1FairFairGoodSatisfactory-50
October 199743.1FairVery GoodGoodSatisfactory-50
October 199520.9FairGoodGoodFairFO49
October 199349.1FairGoodGoodFairFO30