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E-470 NB over Colfax Avenue

Map

Coordinates:
+39.73744, -104.71856
39°44'15" N, 104°43'07" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:E-470 NB over Colfax Avenue
Structure number:E-470-20.32A
Location:20.32 MI FROM I25
Purpose:Carries highway over highway
Route classification:Principal Arterial - Other Freeways or Expressways (Urban) [12]
Tolls:Yes, on toll road [2]
Length of largest span:88.9 ft. [27.1 m]
Total length:180.1 ft. [54.9 m]
Roadway width between curbs:40.0 ft. [12.2 m]
Deck width edge-to-edge:42.0 ft. [12.8 m]
Vertical clearance below bridge:16.4 ft. [5.0 m]
Skew angle:10°
Owner:Local Toll Authority [32]
Year built:2006
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:30,400 [as of 2006]
Deck condition:Very Good [8 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:Better than present minimum criteria [7]
Underclearances appraisal:Superior to present desirable criteria [9]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Scour condition:Bridge not over waterway. [N]
Sufficiency rating:97.2

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
July 2016GoodVery GoodGoodGood3040097.2
July 2014GoodVery GoodGoodGood3040097.2
May 2012GoodVery GoodGoodGood3040097.2
June 2010GoodVery GoodGoodGood3040097.2
March 2008GoodVery GoodVery GoodVery Good3040097.2

Element Data

Source: National Bridge Elements dataset, 2018 edition. This feature is experimental.
ElementUnitsQuantity1-Good2-Fair3-Poor4-Serious
Superstructure
Prestressed Concrete Girder/Beamlinear ft.720717300
Deck
Reinforced Concrete Decksq. ft.7,5607,560000
Wearing Surfacessq. ft.7,5607,560000
Substructure
Reinforced Concrete Pier Walllinear ft.3030000
Reinforced Concrete Abutmentlinear ft.8484000
Reinforced Concrete Pier Caplinear ft.4242000
Joints
Pourable Jointlinear ft.8484000
Bridge Rail
Other Material Bridge Raillinear ft.360355500