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IRR BIA RTE 12 over BIG COTTONWOOD CREEK

Map

Coordinates:
+44.67436, -101.40477
44°40'28" N, 101°24'17" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:IRR BIA RTE 12 over BIG COTTONWOOD CREEK
Structure number:00000000000A012
Location:14 KM NE OF CHERRY CREEK
Purpose:Carries highway over waterway
Route classification:Minor Collector (Rural) [08]
Length of largest span:30.8 ft. [9.4 m]
Total length:94.2 ft. [28.7 m]
Roadway width between curbs:30.2 ft. [9.2 m]
Deck width edge-to-edge:31.8 ft. [9.7 m]
Owner:Bureau of Indian Affairs [62]
Year built:1969
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:Channel beam [22]
Deck type:Concrete Precast Panels [2]
Wearing surface:Bituminous [6]

Latest Available Inspection: July 2017

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:217 [as of 2017]
Truck traffic:5% of total traffic
Deck condition:Fair [5 out of 9]
Superstructure condition:Satisfactory [6 out of 9]
Substructure condition:Fair [5 out of 9]
Structural appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Deck geometry appraisal:Equal to present minimum criteria [6]
Water adequacy appraisal:Better than present minimum criteria [7]
Roadway alignment appraisal:Better than present minimum criteria [7]
Channel protection:Bank and embankment protection is severely undermined. River control devices have severe damage. Large deposits of debris are in the channel. [4]
Scour condition:Bridge foundations determined to be stable for assessed or calculated scour condition. [5]
Sufficiency rating:82.5

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
July 2017FairFairSatisfactoryFair21782.5
August 2015FairFairSatisfactoryFair21782.5
July 2013FairSatisfactorySatisfactoryGood21794.7
September 2011FairSatisfactorySatisfactoryGood21794.7
April 2010FairSatisfactorySatisfactoryGood21794.4
December 2007FairSatisfactorySatisfactoryGood21794.4
October 2005FairSatisfactorySatisfactoryGood21793.7
August 2003FairSatisfactorySatisfactoryGood21794.7
July 2001FairSatisfactorySatisfactoryGood21095.7
June 1998FairGoodGoodSatisfactory50096.2
July 1995FairGoodGoodSatisfactory50093.4
October 1993FairSatisfactoryFairFair48078.0