Share:

US085 over BIG NASTY CK

Map

Coordinates:
+45.81058, -103.38254
45°48'38" N, 103°22'57" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:US085 over BIG NASTY CK
Structure number:000000032327097
Location:9.7 S NORTH DAKOTA LINE
Purpose:Carries highway over waterway
Route classification:Principal Arterial - Other (Rural) [02]
Length of largest span:23.3 ft. [7.1 m]
Total length:117.1 ft. [35.7 m]
Roadway width between curbs:29.9 ft. [9.1 m]
Deck width edge-to-edge:34.5 ft. [10.5 m]
Owner:State Highway Agency [01]
Year built:1960
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:5
Main spans material:Concrete continuous [2]
Main spans design:Slab [01]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Low slump Concrete [4]

Latest Available Inspection: March 2017

Good/Fair/Poor Condition:Poor
Status:Open, no restriction [A]
Average daily traffic:1,388 [as of 2016]
Truck traffic:32% of total traffic
Deck condition:Poor [4 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:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Water adequacy appraisal:Superior to present desirable criteria [9]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Channel protection:Banks are protected or well vegetated. River control devices such as spur dikes and embankment protection are not required or are in a stable condition. [8]
Scour condition:Bridge foundations determined to be stable for assessed or calculated scour condition. [5]
Sufficiency rating:56.9
Recommended work:Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. [31]
Estimated cost of work:$650,000

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
March 2017PoorPoorSatisfactoryFair138856.9
March 2015PoorPoorSatisfactoryFair156056.3
March 2013PoorPoorSatisfactorySatisfactory113565.4
April 2011PoorPoorSatisfactorySatisfactory113565.4
April 2009FairFairSatisfactoryGood90570.9
April 2007FairSatisfactorySatisfactoryGood90072.1
May 2005FairSatisfactorySatisfactorySatisfactory90072.1
May 2003FairSatisfactorySatisfactorySatisfactory96071.6
August 2001FairSatisfactorySatisfactorySatisfactory93571.8
October 1999FairGoodGoodSatisfactory91070.0
October 1997GoodGoodGoodGood91570.0
October 1995GoodGoodGoodGood80570.7
October 1993GoodGoodGoodGood64072.5
February 1992GoodVery GoodVery GoodGood84766.0

Element Data

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.
ElementUnitsQuantity1-Good2-Fair3-Poor4-Serious
Substructure
Reinforced Concrete Columneach88000
Reinforced Concrete Abutmentlinear ft.100326530
Reinforced Concrete Pier Caplinear ft.136133210
Bridge Rail
Steel or Aluminum Bridge Raillinear ft.234023400
Steel Protective Coatingsq. ft.84242100421
Reinforced Concrete Bridge Raillinear ft.234023220
Deck
Reinforced Concrete Slabsq. ft.4,0173,3535281360
Wearing Surfacessq. ft.3,5101,4602,05000