+45.51683, -103.54574
45°31'01" N, 103°32'45" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:US085 over BUFFALO CK
Structure number:000000032250300
Location:2.9 S JCT SD 20 E
Purpose:Carries highway over waterway
Route classification:Principal Arterial - Other (Rural) [02]
Length of largest span:20.7 ft. [6.3 m]
Total length:105.6 ft. [32.2 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:1964
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: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: April 2017

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:1,458 [as of 2017]
Truck traffic:28% of total traffic
Deck condition:Good [7 out of 9]
Superstructure condition:Good [7 out of 9]
Substructure condition:Satisfactory [6 out of 9]
Structural appraisal:Equal to present minimum criteria [6]
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 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 is scour critical; bridge foundations determined to be unstable. [3]
Sufficiency rating:73.0

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
April 2017FairGoodGoodSatisfactory145873.0
April 2015FairGoodGoodSatisfactory162071.6
April 2013FairGoodGoodSatisfactory187070.3
April 2011FairSatisfactorySatisfactorySatisfactory119073.8
April 2009FairSatisfactoryGoodGood90077.4
April 2007GoodGoodGoodGood87577.6
May 2005GoodGoodGoodGood93577.1
May 2003GoodGoodGoodGood102575.2
September 2001GoodGoodGoodGood120573.6
October 1999GoodGoodGoodGood110572.5
October 1997GoodGoodGoodGood99074.6
October 1995GoodGoodGoodGood79576.1
October 1993GoodGoodGoodGood66082.0
February 1992GoodVery GoodGoodGood71580.8

Element Data

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.
Reinforced Concrete Columneach83500
Reinforced Concrete Abutmentlinear ft.100100000
Reinforced Concrete Pier Caplinear ft.136136000
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.2121773500
Reinforced Concrete Slabsq. ft.3,6223,35426800
Wearing Surfacessq. ft.3,16503,16500