I-25 SB On Ramp over LRT


+39.67944, -104.94056
39°40'46" N, 104°56'26" 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:397.0 ft. [121.0 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:17.7 ft. [5.4 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 2016 

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]
Operating rating:76.5 tons [69.5 metric tons]
Inventory rating:45.8 tons [41.6 metric tons]
Sufficiency rating:92.3

Previous Inspections 

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
March 201692.3GoodGoodGoodGoodFO17830
March 201492.3GoodGoodGoodGoodFO17830
March 201292.3GoodGoodGoodGood-17830
February 201092.3GoodVery GoodVery GoodVery Good-17830
February 200881.0GoodVery GoodVery GoodVery Good-177000
January 200792.3GoodVery GoodVery GoodVery Good-17830
January 200395.5GoodVery GoodVery GoodVery Good-5000