E-470 SB over Ramp E


+39.74575, -104.71703
39°44'45" N, 104°43'01" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:E-470 SB over Ramp E
Structure number:E-470-20.88B
Location:20.88 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:91.9 ft. [28.0 m]
Total length:210.6 ft. [64.2 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:47°
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 22.5 / HS 25 [9]
Number of main spans:3
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 2018

Good/Fair/Poor Condition:Good
Status:Open, no restriction [A]
Average daily traffic:17,985 [as of 2018]
Truck traffic:6% 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: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:98.3

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
July 2018GoodGoodGoodGood1798598.3
July 2016GoodVery GoodVery GoodGood2090098.0
July 2014GoodVery GoodVery GoodGood2090098.0
May 2012GoodVery GoodVery GoodGood2090098.0
July 2010GoodVery GoodVery GoodGood2090098.0
March 2008GoodVery GoodVery GoodVery Good2090098.0

Element Data

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.
Prestressed Concrete Girder/Beamlinear ft.842842000
Reinforced Concrete Decksq. ft.8,8448,844000
Wearing Surfacessq. ft.8,4408,440000
Reinforced Concrete Pier Walllinear ft.6060000
Reinforced Concrete Abutmentlinear ft.123118500
Reinforced Concrete Pier Caplinear ft.120120000
Pourable Jointlinear ft.280280000
Bridge Rail
Other Material Bridge Raillinear ft.421421000