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IRR BIA RTE 57 over TWO MEDICINE MAIN CANAL

Map

Coordinates:
+48.56628, -112.63658
48°33'59" N, 112°38'12" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:IRR BIA RTE 57 over TWO MEDICINE MAIN CANAL
Structure number:00000000000C134
Location:31 KM E,7 KM SO. BROWNING
Purpose:Carries highway over waterway
Route classification:Local (Rural) [09]
Length of largest span:60.0 ft. [18.3 m]
Total length:61.4 ft. [18.7 m]
Roadway width between curbs:23.6 ft. [7.2 m]
Deck width edge-to-edge:25.9 ft. [7.9 m]
Owner:Bureau of Indian Affairs [62]
Year built:1990
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:MS 18+Mod / HS 20+Mod [6]
Main span material:Prestressed concrete [5]
Main span design:Tee beam [04]
Deck type:Concrete Precast Panels [2]
Wearing surface:Monolithic Concrete (concurrently placed with structural deck) [1]

Latest Available Inspection: August 2017

Good/Fair/Poor Condition:Good
Status:Open, no restriction [A]
Average daily traffic:10 [as of 2017]
Truck traffic:1% of total traffic
Deck condition:Good [7 out of 9]
Superstructure condition:Good [7 out of 9]
Substructure condition:Good [7 out of 9]
Structural appraisal:Better than present minimum criteria [7]
Deck geometry appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Water adequacy appraisal:Equal to present desirable criteria [8]
Roadway alignment appraisal:Meets minimum tolerable limits to be left in place as is [4]
Channel protection:Bank protection is in need of minor repairs. River control devices and embankment protection have a little minor damage. Banks and/or channel have minor amounts of drift. [7]
Scour condition:Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Sufficiency rating:89.0

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
August 2017GoodGoodGoodGood1089.0
October 2016GoodGoodGoodGood1092.0
October 2014GoodGoodGoodGood1094.0
October 2011GoodGoodGoodGood1094.0
May 2010GoodGoodGoodGood1094.0
October 2007GoodGoodGoodGood1094.0
October 2004GoodGoodVery GoodVery Good1094.0
November 2002GoodGoodVery GoodVery Good1094.0
August 2001GoodGoodVery GoodVery Good1092.0
May 1998GoodVery GoodVery GoodVery Good1090.0
September 1995GoodVery GoodVery GoodVery Good1094.0