20TH STREET over I 25 ML


+39.76091, -105.00434
39°45'39" N, 105°00'16" 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:17.4 ft. [5.3 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 2014 

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: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]
Underclearances appraisal:Basically intolerable requiring high priority of corrrective action [3]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Pier/abutment protection:Navigation protection not required [1]
Scour condition:Bridge not over waterway. [N]
Operating rating:62.9 tons [57.2 metric tons]
Inventory rating:47.0 tons [42.7 metric tons]
Evaluation:Functionally obsolete [2]
Sufficiency rating:94.1

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
March 201494.1Functionally obsoleteSatisfactoryGoodGood17619
May 201297.9Not deficientSatisfactoryGoodGood23000
March 201097.9Not deficientSatisfactoryGoodGood23000
April 200897.9Not deficientSatisfactoryGoodGood23000
February 200697.2Not deficientSatisfactoryGoodGood17745
April 200497.2Not deficientGoodGoodGood17745
March 200296.3Not deficientGoodGoodGood17745
March 200096.4Not deficientGoodGoodGood16900
April 199896.4Not deficientGoodGoodGood16900
January 199696.9Not deficientVery GoodGoodGood14900
March 199483.0Not deficientVery GoodVery GoodVery Good159900