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IRR BIA RTE 1 over BIRCH CREEK

Map

Coordinates:
+48.23306, -112.73425
48°13'59" N, 112°44'03" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:IRR BIA RTE 1 over BIRCH CREEK
Structure number:00000000000C105
Location:13 KM SE OF HEART BUTTE
Purpose:Carries highway over waterway
Route classification:Minor Arterial (Rural) [06]
Length of largest span:65.0 ft. [19.8 m]
Total length:200.5 ft. [61.1 m]
Roadway width between curbs:24.0 ft. [7.3 m]
Deck width edge-to-edge:26.9 ft. [8.2 m]
Skew angle:30°
Owner:Bureau of Indian Affairs [62]
Year built:1966
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:Prestressed concrete [5]
Main spans design:Stringer/Multi-beam or girder [02]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Monolithic Concrete (concurrently placed with structural deck) [1]

Latest Available Inspection: October 2016

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:700 [as of 2016]
Truck traffic:10% 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:Meets minimum tolerable limits to be left in place as is [4]
Water adequacy appraisal:Equal to present desirable criteria [8]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Channel protection:Bank protection is being eroded. River control devices and/or embankment have major damage. Trees and rush restrict the channel. [5]
Scour condition:Bridge foundations determined to be stable for assessed or calculated scour condition. [5]
Sufficiency rating:78.5

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
October 2016FairGoodGoodSatisfactory70078.5
October 2014FairGoodGoodSatisfactory70078.5
October 2011GoodGoodGoodGood70076.4
May 2010GoodGoodGoodGood70076.4
October 2007GoodGoodGoodGood70076.4
October 2004GoodGoodVery GoodGood70076.4
November 2002GoodGoodVery GoodGood70075.3
August 2001FairGoodVery GoodFair70065.8
May 1998GoodGoodVery GoodGood70079.4
September 1995GoodGoodVery GoodGood70077.4