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IRR BIA RTE 208 over MANCOS RIVER

Map

Coordinates:
+37.06128, -108.53779
37°03'41" N, 108°32'16" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:IRR BIA RTE 208 over MANCOS RIVER
Structure number:00000000000M608
Location:19.7 KM E OF CHIMNEY ROCK
Purpose:Carries highway over waterway
Route classification:Local (Rural) [09]
Length of largest span:90.9 ft. [27.7 m]
Total length:94.2 ft. [28.7 m]
Roadway width between curbs:20.0 ft. [6.1 m]
Deck width edge-to-edge:20.7 ft. [6.3 m]
Owner:Bureau of Indian Affairs [62]
Year built:1975
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:MS 18 / HS 20 [5]
Main span material:Prestressed concrete [5]
Main span 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: March 2017

Good/Fair/Poor Condition:Good
Status:Open, no restriction [A]
Average daily traffic:100 [as of 2012]
Truck traffic:5% 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: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 the assessed or calculated scour condition. [8]
Sufficiency rating:96.7

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
March 2017GoodGoodGoodGood10096.7
December 2014GoodGoodGoodGood10096.7
March 2012GoodGoodVery GoodGood10096.7
April 2010GoodGoodVery GoodGood10096.7
April 2008GoodGoodVery GoodGood10095.7
September 2004GoodGoodVery GoodGood10091.7
January 2002GoodGoodVery GoodGood10091.7
February 1999GoodGoodVery GoodGood10096.7
July 1997GoodGoodVery GoodGood40777.8
June 1994GoodGoodVery GoodGood40777.8