US 6 ML over I 25 ML


+39.72566, -105.01323
39°43'32" N, 105°00'48" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.


Name:US 6 ML over I 25 ML
Structure number:F-16-DU
Location:IN DENVER
Purpose:Carries highway overpass over highway
Route classification:Principal Arterial - Other Freeways or Expressways (Urban) [12]
Length of largest span:75.5 ft. [23.0 m]
Total length:170.0 ft. [51.8 m]
Roadway width between curbs:139.4 ft. [42.5 m]
Deck width edge-to-edge:148.0 ft. [45.1 m]
Vertical clearance above deck:16.7 ft. [5.1 m]
Vertical clearance below bridge:15.1 ft. [4.6 m]
Skew angle:23°
Owner:State Highway Agency [01]
Year built:1958
Year reconstructed:1966
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:2
Main spans material:Concrete [1]
Main spans design:Frame [07]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Bituminous [6]

Latest Available Inspection: December 2013 

Status:Open, no restriction [A]
Average daily traffic:142,000 [as of 2011]
Truck traffic:3% of total traffic
Deck condition:Fair [5 out of 9]
Superstructure condition:Fair [5 out of 9]
Substructure condition:Satisfactory [6 out of 9]
Structural appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Deck geometry appraisal:Equal to present minimum criteria [6]
Underclearances appraisal:Basically intolerable requiring high priority of replacement [2]
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:41.9 tons [38.1 metric tons]
Inventory rating:25.0 tons [22.7 metric tons]
Evaluation:Functionally obsolete [2]
Sufficiency rating:54.2
Recommended work:Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. [31]
Estimated cost of work:$5,982,000

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
December 201354.2Functionally obsoleteFairFairSatisfactory142000
December 201154.2Functionally obsoleteFairFairSatisfactory137000
December 200954.2Functionally obsoleteFairFairSatisfactory137000
February 200854.2Functionally obsoleteFairFairSatisfactory140000
December 200554.2Functionally obsoleteFairFairSatisfactory148312
December 200354.2Functionally obsoleteFairFairSatisfactory148312
January 200253.9Functionally obsoleteFairFairSatisfactory148312
January 200053.9Functionally obsoleteFairFairSatisfactory145825
December 199746.9Functionally obsoleteFairFairSatisfactory68250
January 199646.9Functionally obsoleteFairFairSatisfactory68250
November 199346.9Functionally obsoleteFairFairSatisfactory61400
January 199246.9Functionally obsoleteFairFairSatisfactory115400