+45.10636, -104.59177
45°06'23" N, 104°35'30" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:US 212 over WILLOW CREEK
Structure number:P00023126+04531
Location:8M NW ALZADA
Purpose:Carries highway over waterway
Route classification:Principal Arterial - Other (Rural) [02]
Length of largest span:60.0 ft. [18.3 m]
Total length:91.9 ft. [28.0 m]
Roadway width between curbs:27.9 ft. [8.5 m]
Deck width edge-to-edge:33.1 ft. [10.1 m]
Owner:State Highway Agency [01]
Year built:1955
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:Concrete continuous [2]
Main spans design:Tee beam [04]
Deck type:Not applicable [N]
Wearing surface:Bituminous [6]

Latest Available Inspection: September 2017

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:1,963 [as of 2016]
Truck traffic:37% of total traffic
Deck condition:Satisfactory [6 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 desirable criteria [8]
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:65.5

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
September 2017FairSatisfactoryGoodGood196365.5
September 2015FairSatisfactoryGoodGood131066.9
September 2013FairSatisfactoryGoodGood131067.0
September 2011FairSatisfactoryGoodGood131067.0
September 2009GoodGoodGoodGood152070.5
October 2007GoodGoodVery GoodVery Good255070.5
October 2005GoodVery GoodVery GoodVery Good255070.5
February 2004GoodVery GoodVery GoodVery Good106075.5
November 2001GoodVery GoodVery GoodVery Good106073.5
November 1999GoodVery GoodVery GoodVery Good113072.8
February 1998GoodVery GoodVery GoodVery Good101074.0
December 1995GoodVery GoodVery GoodVery Good81677.8
June 1994GoodVery GoodVery GoodVery Good81177.8
January 1992GoodVery GoodVery GoodVery Good75178.3

Element Data

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.
Reinforced Concrete Girder/Beamlinear ft.367367000
Reinforced Concrete Top Flangesq. ft.3,0682,76130700
Wearing Surfacessq. ft.3,0683,068000
Reinforced Concrete Columneach1616000
Reinforced Concrete Abutmentlinear ft.7272000
Reinforced Concrete Pier Caplinear ft.6665100
Movable Bearingeach86200
Steel Protective Coatingsq. ft.86200
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.184178420