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US HIGHWAY 85 over LITTLE MISSOURI RIVER

Map

Coordinates:
+47.59000, -103.25333
47°35'24" N, 103°15'12" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:US HIGHWAY 85 over LITTLE MISSOURI RIVER
Structure number:0085126562
Location:16 SOUTH OF ND 23
Purpose:Carries highway over waterway
Route classification:Principal Arterial - Other (Rural) [02]
Length of largest span:325.1 ft. [99.1 m]
Total length:969.2 ft. [295.4 m]
Roadway width between curbs:29.9 ft. [9.1 m]
Deck width edge-to-edge:32.8 ft. [10.0 m]
Vertical clearance above deck:16.1 ft. [4.9 m]
Owner:State Highway Agency [01]
Year built:1959
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:Steel continuous [4]
Main spans design:Truss - Thru [10]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Monolithic Concrete (concurrently placed with structural deck) [1]

Latest Available Inspection: November 2017

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:1,000 [as of 2017]
Truck traffic:20% of total traffic
Deck condition:Fair [5 out of 9]
Superstructure condition:Fair [5 out of 9]
Substructure condition:Satisfactory [6 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:Equal to present desirable criteria [8]
Roadway alignment appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
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:72.3
Estimated cost of work:$3,089,000

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
November 2017FairFairFairSatisfactory100072.3
January 2016FairFairFairSatisfactory100072.3
November 2013FairFairFairSatisfactory100072.3
December 2011FairSatisfactorySatisfactorySatisfactory100085.0
January 2011FairSatisfactorySatisfactorySatisfactory100085.0
November 2009PoorFairFairPoor100054.0
November 2007PoorFairFairPoor100054.0
December 2005FairSatisfactorySatisfactoryFair100072.4
December 2003FairSatisfactoryGoodFair100072.4
October 2002FairSatisfactoryGoodFair100072.4
January 2002FairSatisfactoryGoodGood100084.0
November 1999FairSatisfactoryGoodGood100082.0
November 1997FairSatisfactoryGoodGood100082.0
October 1995FairSatisfactoryGoodGood87682.4
December 1993FairSatisfactoryGoodGood90382.3
June 1992FairSatisfactoryGoodGood78182.8

Element Data

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.
ElementUnitsQuantity1-Good2-Fair3-Poor4-Serious
Superstructure
Steel Stringerlinear ft.4,7804,479027724
Steel Protective Coatingsq. ft.100100000
Deck
Reinforced Concrete Decksq. ft.29,07323,6655,40800
Wearing Surfacessq. ft.20,00020,000000
Superstructure
Steel Trusslinear ft.955955000
Steel Protective Coatingsq. ft.100100000
Steel Floor Beamlinear ft.1,3651,3551000
Steel Protective Coatingsq. ft.100100000
Substructure
Reinforced Concrete Pier Walllinear ft.9587800
Reinforced Concrete Abutmentlinear ft.75380370
Reinforced Concrete Pier Caplinear ft.9209200
Joints
Open Jointlinear ft.120112800
Bearings
Movable Bearingeach60600
Steel Protective Coatingsq. ft.100100000
Fixed Bearingeach20200
Steel Protective Coatingsq. ft.100100000
Bridge Rail
Steel or Aluminum Bridge Raillinear ft.1,9131,913000
Steel Protective Coatingsq. ft.100100000
Reinforced Concrete Bridge Raillinear ft.1,9131,80419900