+39.96724, -105.07191
39°58'02" N, 105°04'19" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:120TH STREET over NWP
Structure number:NWP-04.77
Location:4.77 MI FROM I-25
Purpose:Carries highway over highway
Route classification:Minor Arterial (Urban) [16]
Length of largest span:139.1 ft. [42.4 m]
Total length:290.4 ft. [88.5 m]
Roadway width between curbs:36.1 ft. [11.0 m]
Deck width edge-to-edge:39.0 ft. [11.9 m]
Vertical clearance below bridge:16.4 ft. [5.0 m]
Skew angle:51°
Owner:Local Toll Authority [32]
Year built:2002
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: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: June 2017

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:5,000 [as of 2009]
Truck traffic:5% of total traffic
Deck condition:Good [7 out of 9]
Superstructure condition:Satisfactory [6 out of 9]
Substructure condition:Satisfactory [6 out of 9]
Structural appraisal:Equal to present minimum criteria [6]
Deck geometry appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
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
Recommended work:Other structural work, including hydraulic replacements. [38]

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
June 2017FairGoodSatisfactorySatisfactory500098.3
June 2015FairGoodSatisfactorySatisfactory500098.3
June 2013FairGoodSatisfactorySatisfactory500098.3

Element Data

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.
Prestressed Concrete Girder/Beamlinear ft.1,7431,7093400
Concrete Protective Coatingsq. ft.1,7431,743000
Reinforced Concrete Decksq. ft.11,38811,3682000
Wearing Surfacessq. ft.10,51610,30602100
Reinforced Concrete Columneach44000
Concrete Protective Coatingsq. ft.44000
Reinforced Concrete Abutmentlinear ft.125123200
Concrete Protective Coatingsq. ft.125125000
Reinforced Concrete Pier Caplinear ft.6262000
Concrete Protective Coatingsq. ft.6262000
Strip Seal Jointlinear ft.125012500
Pourable Jointlinear ft.125125000
Bridge Rail
Steel or Aluminum Bridge Raillinear ft.581581000
Steel Protective Coatingsq. ft.581581000