55th Street over Empson Ditch


+40.00727, -105.22528
40°00'26" N, 105°13'31" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:55th Street over Empson Ditch
Structure number:BOLD-08-0.49-1A
Location:250 Ft N of Penn. Ave.
Purpose:Carries highway and pedestrian walkway over waterway
Route classification:Minor Arterial (Urban) [16]
Length of largest span:43.6 ft. [13.3 m]
Total length:48.9 ft. [14.9 m]
Roadway width between curbs:35.1 ft. [10.7 m]
Deck width edge-to-edge:55.1 ft. [16.8 m]
Owner:City or Municipal Highway Agency [04]
Year built:1996
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:MS 18 / HS 20 [5]
Main span material:Prestressed concrete [5]
Main span design:Box Beam or girders - Single or Spread [06]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Monolithic Concrete (concurrently placed with structural deck) [1]

Latest Available Inspection: February 2017

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:10,545 [as of 2016]
Truck traffic:6% of total traffic
Deck condition:Satisfactory [6 out of 9]
Superstructure condition:Very Good [8 out of 9]
Substructure condition:Good [7 out of 9]
Structural appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Deck geometry appraisal:Meets minimum tolerable limits to be left in place as is [4]
Water adequacy appraisal:Equal to present desirable criteria [8]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Channel protection:Banks are protected or well vegetated. River control devices such as spur dikes and embankment protection are not required or are in a stable condition. [8]
Scour condition:Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Sufficiency rating:84.6

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
February 2017FairSatisfactoryVery GoodGood1054584.6
February 2015FairSatisfactoryVery GoodGood522085.2
September 2013FairSatisfactoryVery GoodVery Good522085.2
February 2011GoodGoodVery GoodVery Good961584.7
January 2009GoodGoodVery GoodVery Good961584.7
January 2007GoodGoodVery GoodVery Good903584.8
December 2004GoodGoodVery GoodVery Good903584.8
January 2003GoodGoodVery GoodVery Good903584.2
May 2000FairSatisfactoryVery GoodVery Good1135683.6
June 1999FairSatisfactoryVery GoodVery Good1135685.6
June 1998FairSatisfactoryVery GoodVery Good1135685.6
January 1997GoodVery GoodVery GoodVery Good812386.0

Element Data

Source: National Bridge Elements dataset, 2018 edition. This feature is experimental.
Prestressed Concrete Closed Web/Box Girderlinear ft.245245000
Reinforced Concrete Decksq. ft.2,6951,74994600
Reinforced Concrete Abutmentlinear ft.110102800
Bridge Rail
Steel or Aluminum Bridge Raillinear ft.9809800
Steel Protective Coatingsq. ft.9800098
Reinforced Concrete Bridge Raillinear ft.98782000