I-25 SB On Ramp over LRT


+39.69052, -104.97526
39°41'26" N, 104°58'31" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:I-25 SB On Ramp over LRT
Structure number:F-17-NG
Location:SB On-ramp at Emerson St
Purpose:Carries highway over railroad
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:115.2 ft. [35.1 m]
Total length:397.7 ft. [121.2 m]
Roadway width between curbs:24.9 ft. [7.6 m]
Deck width edge-to-edge:27.9 ft. [8.5 m]
Vertical clearance below bridge:16.4 ft. [5.0 m]
Owner:State Highway Agency [01]
Year built:2005
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:Monolithic Concrete (concurrently placed with structural deck) [1]

Latest Available Inspection: March 2018

Good/Fair/Poor Condition:Good
Status:Open, no restriction [A]
Average daily traffic:17,830 [as of 2005]
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:Basically intolerable requiring high priority of corrrective action [3]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Scour condition:Bridge not over waterway. [N]
Sufficiency rating:92.3

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
March 2018GoodGoodGoodGood1783092.3
March 2016GoodGoodGoodGood1783092.3
March 2014GoodGoodGoodGood1783092.3
March 2012GoodGoodGoodGood1783092.3
February 2010GoodVery GoodVery GoodVery Good1783092.3
February 2008GoodVery GoodVery GoodVery Good17700081.0
January 2007GoodVery GoodVery GoodVery Good1783092.3
January 2003GoodVery GoodVery GoodVery Good500095.5

Element Data

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.
Prestressed Concrete Girder/Beamlinear ft.2,0981,25983900
Reinforced Concrete Girder/Beamlinear ft.8983600
Reinforced Concrete Decksq. ft.8,5128,512000
Reinforced Concrete Columneach55000
Reinforced Concrete Abutmentlinear ft.213213000
Reinforced Concrete Pier Caplinear ft.8585000
Strip Seal Jointlinear ft.5605600
Elastomeric Bearingeach1414000
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.77051325700
Reinforced Concrete Slabsq. ft.1,2001,1841600