20TH STREET over I 25 ML


+39.76127, -105.00531
39°45'41" N, 105°00'19" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:20TH STREET over I 25 ML
Structure number:E-16-OO
Location:20TH STREET OVER I25
Purpose:Carries highway overpass over highway
Route classification:Collector (Urban) [17]
Length of largest span:141.7 ft. [43.2 m]
Total length:280.5 ft. [85.5 m]
Roadway width between curbs:58.1 ft. [17.7 m]
Deck width edge-to-edge:82.4 ft. [25.1 m]
Vertical clearance below bridge:16.4 ft. [5.0 m]
Skew angle:13°
Owner:State Highway Agency [01]
Year built:1994
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:2
Main spans material:Steel continuous [4]
Main spans design:Box Beam or girders - Single or Spread [06]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Monolithic Concrete (concurrently placed with structural deck) [1]

Latest Available Inspection: March 2018

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:17,619 [as of 2013]
Truck traffic:5% of total traffic
Deck condition:Satisfactory [6 out of 9]
Superstructure condition:Satisfactory [6 out of 9]
Substructure condition:Good [7 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:Equal to present desirable criteria [8]
Scour condition:Bridge not over waterway. [N]
Sufficiency rating:97.2

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
March 2018FairSatisfactorySatisfactoryGood1761997.2
April 2016FairSatisfactorySatisfactoryGood1761994.1
March 2014FairSatisfactoryGoodGood1761994.1
May 2012FairSatisfactoryGoodGood2300097.9
March 2010FairSatisfactoryGoodGood2300097.9
April 2008FairSatisfactoryGoodGood2300097.9
February 2006FairSatisfactoryGoodGood1774597.2
April 2004GoodGoodGoodGood1774597.2
March 2002GoodGoodGoodGood1774596.3
March 2000GoodGoodGoodGood1690096.4
April 1998GoodGoodGoodGood1690096.4
January 1996GoodVery GoodGoodGood1490096.9
March 1994GoodVery GoodVery GoodVery Good15990083.0

Element Data

Source: National Bridge Elements dataset, 2018 edition. This feature is experimental.
Steel Closed Web/Box Girderlinear ft.1,10433776700
Steel Protective Coatingsq. ft.1,10433776700
Reinforced Concrete Decksq. ft.23,14123,03810300
Reinforced Concrete Pier Walllinear ft.3030000
Reinforced Concrete Abutmentlinear ft.169161800
Strip Seal Jointlinear ft.805015150
Pourable Jointlinear ft.8080000
Pot Bearingeach128400
Bridge Rail
Other Material Bridge Raillinear ft.5604907000