K23 HWY over I70 HWY, NL-SL


+39.10944, -100.47889
39°06'34" N, 100°28'44" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:K23 HWY over I70 HWY, NL-SL
Structure number:999902300320301
Location:JT I70/K23
Purpose:Carries highway over highway
Route classification:Minor Arterial (Rural) [06]
Length of largest span:69.9 ft. [21.3 m]
Total length:244.4 ft. [74.5 m]
Roadway width between curbs:27.9 ft. [8.5 m]
Deck width edge-to-edge:29.2 ft. [8.9 m]
Vertical clearance below bridge:16.4 ft. [5.0 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:4
Main spans material:Concrete continuous [2]
Main spans design:Box beam or girders - Multiple [05]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Epoxy Overlay [5]

Latest Available Inspection: March 2018

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:875 [as of 2017]
Truck traffic:27% 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]
Underclearances appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Roadway alignment appraisal:Meets minimum tolerable limits to be left in place as is [4]
Scour condition:Bridge not over waterway. [N]
Sufficiency rating:86.5
Recommended work:Bridge deck replacement with only incidental widening. [37]
Estimated cost of work:$236,000

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
March 2018FairGoodGoodSatisfactory87586.5
March 2016FairGoodGoodSatisfactory80087.5
March 2014GoodGoodGoodGood79587.5
April 2012GoodGoodGoodGood87087.5
April 2010GoodGoodGoodGood82587.5
March 2008GoodGoodGoodGood81086.5
April 2006GoodGoodGoodGood60595.0
March 2004GoodGoodGoodGood59095.0
April 2002GoodGoodGoodGood72095.0
October 2000GoodGoodGoodGood74095.0
March 1998GoodVery GoodGoodGood74095.0
July 1996FairSatisfactoryGoodSatisfactory61093.0
March 1994FairGoodGoodSatisfactory56593.0
May 1992GoodGoodGoodGood66090.9
September 1990GoodGoodGoodGood66084.5

Element Data

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.
Reinforced Concrete Closed Web/Box Girderlinear ft.2421944800
Reinforced Concrete Top Flangesq. ft.6,8466,16168500
Wearing Surfacessq. ft.6,8466,16168500
Reinforced Concrete Columneach30300
Reinforced Concrete Abutmentlinear ft.5950900
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.48938810010