6th Avenue Parkway over E-470


+39.71938, -104.72104
39°43'10" N, 104°43'16" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:6th Avenue Parkway over E-470
Structure number:E-470-18.91C
Location:18.91 MI FROM I25
Purpose:Carries highway overpass over highway
Route classification:Local (Urban) [19]
Length of largest span:111.6 ft. [34.0 m]
Total length:237.9 ft. [72.5 m]
Roadway width between curbs:56.1 ft. [17.1 m]
Deck width edge-to-edge:58.1 ft. [17.7 m]
Vertical clearance below bridge:16.4 ft. [5.0 m]
Skew angle:13°
Owner:Local Toll Authority [32]
Year built:1997
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:MS 18+Mod / HS 20+Mod [6]
Number of main spans:2
Main spans material:Prestressed concrete continuous [6]
Main spans design:Stringer/Multi-beam or girder [02]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Bituminous [6]

Latest Available Inspection: July 2016

Good/Fair/Poor Condition:Good
Status:Open, no restriction [A]
Average daily traffic:300 [as of 2005]
Truck traffic:4% of total traffic
Deck condition:Good [7 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:Superior to present desirable criteria [9]
Underclearances appraisal:Better than present minimum criteria [7]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Scour condition:Bridge not over waterway. [N]
Sufficiency rating:100.0

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
July 2016GoodGoodGoodGood300100.0
July 2014GoodGoodGoodGood300100.0
May 2012GoodGoodGoodGood300100.0
June 2010FairGoodSatisfactoryGood300100.0
February 2008GoodGoodVery GoodVery Good300100.0
April 2006GoodVery GoodVery GoodVery Good300100.0
August 2004GoodVery GoodVery GoodVery Good300100.0
September 2002GoodVery GoodVery GoodVery Good30098.0
November 2000GoodVery GoodVery GoodVery Good300100.0

Element Data

Source: National Bridge Elements dataset, 2018 edition. This feature is experimental.
Prestressed Concrete Girder/Beamlinear ft.1,4221,420200
Reinforced Concrete Decksq. ft.13,78613,786000
Wearing Surfacessq. ft.13,78613,786000
Reinforced Concrete Pier Walllinear ft.4040000
Reinforced Concrete Abutmentlinear ft.120114600
Reinforced Concrete Pier Caplinear ft.5858000
Pourable Jointlinear ft.24014000100
Bridge Rail
Other Material Bridge Raillinear ft.4764037030