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D STREET, N.W. over CENTER LEG INNER LOOP

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:D STREET, N.W. over CENTER LEG INNER LOOP
Structure number:1138
Location:D ST OVER INNER LOOP NW
Purpose:Carries highway and pedestrian walkway over highway
Route classification:Collector (Urban) [17]
Length of largest span:79.1 ft. [24.1 m]
Total length:163.1 ft. [49.7 m]
Roadway width between curbs:38.1 ft. [11.6 m]
Deck width edge-to-edge:60.4 ft. [18.4 m]
Vertical clearance below bridge:13.8 ft. [4.2 m]
Owner:State Highway Agency [01]
Year built:1967
Year reconstructed:2002
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:Steel [3]
Main spans design:Stringer/Multi-beam or girder [02]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Latex Concrete or similar additive [3]

Latest Available Inspection: October 2016

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:47,100 [as of 2007]
Truck traffic:2% of total traffic
Deck condition:Satisfactory [6 out of 9]
Superstructure condition:Good [7 out of 9]
Substructure condition:Satisfactory [6 out of 9]
Structural appraisal:Equal to present minimum criteria [6]
Deck geometry appraisal:Basically intolerable requiring high priority of replacement [2]
Underclearances appraisal:Basically intolerable requiring high priority of corrrective action [3]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Pier/abutment protection:Navigation protection not required [1]
Scour condition:Bridge not over waterway. [N]
Operating rating:89.8 tons [81.6 metric tons]
Inventory rating:53.9 tons [49.0 metric tons]
Sufficiency rating:71.0
Recommended work:Other structural work, including hydraulic replacements. [38]
Estimated cost of work:$1,500,000

Previous Inspections

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
October 201671.0FairSatisfactoryGoodSatisfactoryFO47100
December 201471.0FairSatisfactoryGoodGoodFO47100
November 201273.1FairSatisfactorySatisfactoryGoodFO47100
October 201073.1FairSatisfactorySatisfactoryGood-47100
September 200873.1GoodGoodVery GoodGood-47100
September 200377.7FairSatisfactoryGoodGoodFO10500
April 200177.7FairSatisfactoryGoodGoodFO10500
February 199877.7FairSatisfactoryGoodGoodFO10500
September 199572.6PoorSeriousGoodSatisfactorySD10500
February 199177.0GoodGoodGoodGoodFO10500

Element Data

Source: National Bridge Elements dataset, 2016 edition. This feature is experimental.
ElementUnitsQuantity1. Good2. Fair3. Poor4. Serious
Superstructure
Steel Girder/Beamlinear ft.1,4331,4201300
Steel Protective Coatingsq. ft.14,36014,3490011
Deck
Reinforced Concrete Decksq. ft.9,7109,702800
Wearing Surfacessq. ft.6,5516,5173400
Substructure
Reinforced Concrete Pier Walllinear ft.61368170
Reinforced Concrete Abutmentlinear ft.1211100110
Joints
Compression Jointlinear ft.174017400
Bearings
Elastomeric Bearingeach3635100
Steel Protective Coatingsq. ft.172171100
Bridge Rail
Steel or Aluminum Bridge Raillinear ft.163161020
Reinforced Concrete Bridge Raillinear ft.1635801050
Concrete Protective Coatingsq. ft.408408000