L'Enfant Plaza over RAILROAD


+38.88531, -77.02599
38°53'07" N, 77°01'34" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:L'Enfant Plaza over RAILROAD
Structure number:0517
Location:10th Street, S.W.
Purpose:Carries highway and pedestrian walkway over railroad
Route classification:Collector (Urban) [17]
Length of largest span:83.0 ft. [25.3 m]
Total length:83.0 ft. [25.3 m]
Roadway width between curbs:51.5 ft. [15.7 m]
Deck width edge-to-edge:166.3 ft. [50.7 m]
Vertical clearance below bridge:19.7 ft. [6.0 m]
Owner:State Highway Agency [01]
Year built:1961
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 - Multiple [05]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Other [9]

Latest Available Inspection: January 2017

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:7,500 [as of 2007]
Truck traffic:1% of total traffic
Deck condition:Satisfactory [6 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:Meets minimum tolerable limits to be left in place as is [4]
Underclearances appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Scour condition:Bridge not over waterway. [N]
Sufficiency rating:81.1

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
January 2017FairSatisfactorySatisfactorySatisfactory750081.1
January 2015FairSatisfactorySatisfactorySatisfactory750081.1
January 2013FairSatisfactorySatisfactorySatisfactory750082.1
December 2010FairGoodGoodSatisfactory750073.1
June 2008FairGoodGoodSatisfactory750073.1
July 2006FairGoodSatisfactorySatisfactory750073.1
October 2003FairSatisfactoryFairSatisfactory750064.9
February 2001FairSatisfactorySatisfactorySatisfactory750076.1
March 1999FairGoodSatisfactoryGood750076.1
September 1998FairGoodSatisfactoryGood750076.1

Element Data

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.
Prestressed Concrete Closed Web/Box Girderlinear ft.4,3822,9911,370210
Prestressed Concrete Top Flangesq. ft.13,80313,803000
Wearing Surfacessq. ft.4,2754,2547140
Reinforced Concrete Pier Walllinear ft.1561252560
Reinforced Concrete Abutmentlinear ft.1677944440
Compression Jointlinear ft.318003180
Elastomeric Bearingeach100851500
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.167161600