I25 ML S over I225 RAMP


+39.63332, -104.90620
39°37'60" N, 104°54'22" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:I25 ML S over I225 RAMP
Structure number:F-17-FW
Location:225/25 TUNNEL
Purpose:Carries highway over highway
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:111.6 ft. [34.0 m]
Total length:111.6 ft. [34.0 m]
Roadway width between curbs:163.1 ft. [49.7 m]
Deck width edge-to-edge:386.8 ft. [117.9 m]
Vertical clearance below bridge:16.4 ft. [5.0 m]
Skew angle:99°
Owner:State Highway Agency [01]
Year built:2004
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:MS 22.5 / HS 25 [9]
Main span material:Prestressed concrete [5]
Main span design:Stringer/Multi-beam or girder [02]
Deck type:Concrete Precast Panels [2]
Wearing surface:Monolithic Concrete (concurrently placed with structural deck) [1]

Latest Available Inspection: March 2018

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:223,000 [as of 2011]
Truck traffic:5% of total traffic
Deck condition:Satisfactory [6 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:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Scour condition:Bridge not over waterway. [N]
Sufficiency rating:84.0

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
March 2018FairSatisfactoryGoodGood22300084.0
March 2016FairSatisfactoryVery GoodVery Good22300084.0
March 2014FairSatisfactoryVery GoodVery Good22300084.0
February 2012GoodVery GoodVery GoodVery Good21400084.0
February 2010GoodVery GoodVery GoodVery Good21400084.0
June 2007GoodVery GoodVery GoodVery Good21400084.0
January 2006GoodVery GoodVery GoodVery Good21200085.0
February 2002GoodGoodGoodGood18259584.0
March 2000GoodGoodGoodGood17769879.0
March 1998GoodGoodGoodGood17769879.0
February 1996GoodGoodGoodGood16520076.0
January 1994FairGoodSatisfactorySatisfactory5670084.4
February 1992FairSatisfactorySatisfactorySatisfactory5280084.7

Element Data

Source: National Bridge Elements dataset, 2018 edition. This feature is experimental.
Prestressed Concrete Girder/Beamlinear ft.2,9742,67430000
Reinforced Concrete Decksq. ft.28,91426,4201,5469480
Reinforced Concrete Abutmentlinear ft.82561920600
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.6161000
Other Material Bridge Raillinear ft.122113360