9th Street, N.W. over Convention Center Parkin


+38.90500, -77.02397
38°54'18" N, 77°01'26" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:9th Street, N.W. over Convention Center Parkin
Structure number:0252
Location:9th Street, N.W.
Route classification:Minor Arterial (Urban) [16]
Length of largest span:74.2 ft. [22.6 m]
Total length:1327.2 ft. [404.5 m]
Roadway width between curbs:63.0 ft. [19.2 m]
Deck width edge-to-edge:63.0 ft. [19.2 m]
Vertical clearance below bridge:16.4 ft. [5.0 m]
Owner:Other Local Agencies [25]
Year built:2006
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:29
Main spans material:Steel continuous [4]
Main spans design:Girder and floorbeam system [03]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Integral Concrete (separate non-modified layer of concrete added to structural deck) [2]

Latest Available Inspection: March 2017

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:14,400 [as of 2008]
Truck traffic:4% of total traffic
Deck condition:Good [7 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:Equal to present minimum criteria [6]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Scour condition:Bridge not over waterway. [N]
Sufficiency rating:94.6

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
March 2017FairGoodGoodSatisfactory1440094.6
March 2015FairGoodGoodSatisfactory1440094.6
March 2013FairGoodGoodSatisfactory1440094.6
March 2012FairGoodSatisfactorySatisfactory1440062.7
March 2011FairGoodSatisfactorySatisfactory1440064.2
February 2009FairGoodSatisfactorySatisfactory-76.2
January 2007GoodVery GoodVery GoodVery Good-76.2

Element Data

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.
Steel Girder/Beamlinear ft.10,43910,439000
Steel Protective Coatingsq. ft.113,959113,959000
Reinforced Concrete Girder/Beamlinear ft.430430000
Reinforced Concrete Decksq. ft.74,31274,2980140
Wearing Surfacessq. ft.54,40751,6152,78660
Concrete Protective Coatingsq. ft.74,31272,662001,650
Steel Floor Beamlinear ft.1,7181,6843400
Steel Columneach3939000
Steel Protective Coatingsq. ft.7,0987,098000
Reinforced Concrete Columneach2828000
Reinforced Concrete Abutmentlinear ft.1,42601,3241020
Steel Pier Caplinear ft.1,7181,7021150
Reinforced Concrete Pier Caplinear ft.224224000
Compression Jointlinear ft.1,9521,488584060
Open Jointlinear ft.1,2331,233000
Elastomeric Bearingeach4746100
Steel Protective Coatingsq. ft.326326000
Fixed Bearingeach3230200
Steel Protective Coatingsq. ft.210210000