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US20 over ANTELOPE CREEK

Map

Coordinates:
+42.79986, -102.18211
42°47'59" N, 102°10'56" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:US20 over ANTELOPE CREEK
Structure number:S020 10699
Location:1E GORDON
Purpose:Carries highway over waterway
Route classification:Principal Arterial - Other (Rural) [02]
Length of largest span:32.2 ft. [9.8 m]
Total length:82.0 ft. [25.0 m]
Roadway width between curbs:40.0 ft. [12.2 m]
Deck width edge-to-edge:43.0 ft. [13.1 m]
Skew angle:20°
Owner:State Highway Agency [01]
Year built:1971
Year reconstructed:2014
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:Slab [01]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Integral Concrete (separate non-modified layer of concrete added to structural deck) [2]

Latest Available Inspection: May 2018

Good/Fair/Poor Condition:Good
Status:Open, no restriction [A]
Average daily traffic:1,560 [as of 2016]
Truck traffic:13% of total traffic
Deck condition:Very Good [8 out of 9]
Superstructure condition:Very Good [8 out of 9]
Substructure condition:Good [7 out of 9]
Structural appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Deck geometry appraisal:Better than present minimum criteria [7]
Water adequacy appraisal:Better than present minimum criteria [7]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Channel protection:Bank protection is in need of minor repairs. River control devices and embankment protection have a little minor damage. Banks and/or channel have minor amounts of drift. [7]
Pier/abutment protection:Navigation protection not required [1]
Scour condition:Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Sufficiency rating:81.9

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
May 2018GoodVery GoodVery GoodGood156081.9
May 2016GoodVery GoodVery GoodGood135594.8
May 2014FairFairFairGood135582.3
May 2012FairFairFairGood160585.3
May 2010FairSatisfactorySatisfactoryGood186097.3
June 2008FairSatisfactorySatisfactoryGood186097.3
May 2006FairSatisfactorySatisfactoryGood148085.6
November 2005FairSatisfactorySatisfactoryGood121585.6
October 2004GoodGoodGoodGood121585.6
December 2002GoodGoodGoodGood109585.7
October 2000GoodGoodGoodGood144085.6
August 1998GoodGoodGoodGood144085.6
September 1996GoodGoodGoodGood122583.6
October 1994GoodGoodGoodGood107083.7
October 1992GoodGoodGoodGood107083.7
October 1990GoodGoodGoodGood107083.7

Element Data

Source: National Bridge Elements dataset, 2018 edition. This feature is experimental.
ElementUnitsQuantity1-Good2-Fair3-Poor4-Serious
Substructure
Steel Abutmentlinear ft.127127000
Steel Pileeach2424000
Reinforced Concrete Pier Caplinear ft.236232400
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.173173000
Deck
Reinforced Concrete Slabsq. ft.3,5143,4645000
Wearing Surfacessq. ft.3,2833,2137000