Interlocken Loop N over W. Flatiron Crossing Dr.


+39.93054, -105.12766
39°55'50" N, 105°07'40" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:Interlocken Loop N over W. Flatiron Crossing Dr.
Structure number:BFD-INTLE-W.FLT
Location:400 Ft N. of Interlocken
Purpose:Carries highway and pedestrian walkway over highway
Route classification:Minor Arterial (Urban) [16]
Length of largest span:71.9 ft. [21.9 m]
Total length:153.9 ft. [46.9 m]
Roadway width between curbs:37.1 ft. [11.3 m]
Deck width edge-to-edge:48.6 ft. [14.8 m]
Vertical clearance below bridge:16.4 ft. [5.0 m]
Owner:City or Municipal Highway Agency [04]
Year built:2000
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: January 2017

Good/Fair/Poor Condition:Good
Status:Open, no restriction [A]
Average daily traffic:8,507 [as of 2016]
Truck traffic:6% of total traffic
Deck condition:Good [7 out of 9]
Superstructure condition:Very Good [8 out of 9]
Substructure condition:Good [7 out of 9]
Structural appraisal:Better than present minimum criteria [7]
Deck geometry appraisal:Basically intolerable requiring high priority of replacement [2]
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:78.0
Recommended work:Widening of existing bridge with deck rehabilitation or replacement. [34]
Estimated cost of work:$873,000

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
January 2017GoodGoodVery GoodGood850778.0
January 2015GoodGoodVery GoodGood748378.1
January 2013GoodGoodVery GoodGood748378.1
December 2010GoodGoodVery GoodGood1978492.1
December 2008GoodGoodVery GoodGood1978492.1
December 2006GoodVery GoodVery GoodVery Good812976.0
December 2004GoodGoodVery GoodVery Good812976.0
November 2002GoodVery GoodVery GoodVery Good812976.0
January 2001GoodVery GoodVery GoodVery Good1300075.4

Element Data

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.
Prestressed Concrete Girder/Beamlinear ft.924924000
Reinforced Concrete Decksq. ft.7,5007,35015000
Wearing Surfacessq. ft.5,7134,57001,1430
Reinforced Concrete Columneach44000
Reinforced Concrete Abutmentlinear ft.9897100
Reinforced Concrete Pier Caplinear ft.4949000
Strip Seal Jointlinear ft.9700970
Bridge Rail
Steel or Aluminum Bridge Raillinear ft.46226120010
Steel Protective Coatingsq. ft.46226200200
Reinforced Concrete Bridge Raillinear ft.308308000