Ireland Way over E-470


+39.57614, -104.74483
39°34'34" N, 104°44'41" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:Ireland Way over E-470
Structure number:E-470-07.78C
Location:7.78 MI FROM I25
Purpose:Carries highway over highway
Route classification:Collector (Urban) [17]
Length of largest span:147.6 ft. [45.0 m]
Total length:263.5 ft. [80.3 m]
Roadway width between curbs:43.0 ft. [13.1 m]
Deck width edge-to-edge:45.9 ft. [14.0 m]
Vertical clearance below bridge:19.7 ft. [6.0 m]
Skew angle:
Owner:Local Toll Authority [32]
Year built:1996
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: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:350 [as of 2004]
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:99.8

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
July 2016GoodGoodGoodGood35099.8
July 2014GoodGoodGoodGood35099.8
May 2012GoodGoodGoodGood35099.8
June 2010GoodGoodGoodGood35099.8
February 2008GoodGoodVery GoodGood40099.8
April 2006GoodVery GoodVery GoodVery Good35099.8
August 2004GoodVery GoodVery GoodVery Good15099.9
September 2002GoodVery GoodVery GoodVery Good15099.9
November 2000GoodVery GoodVery GoodVery Good15099.9

Element Data

Source: National Bridge Elements dataset, 2018 edition. This feature is experimental.
Prestressed Concrete Girder/Beamlinear ft.2,1082,104400
Reinforced Concrete Decksq. ft.12,11012,1001000
Wearing Surfacessq. ft.12,11012,110000
Reinforced Concrete Pier Walllinear ft.3022800
Reinforced Concrete Abutmentlinear ft.92771500
Reinforced Concrete Pier Caplinear ft.4444000
Pourable Jointlinear ft.1841453900
Bridge Rail
Other Material Bridge Raillinear ft.5284933050