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ANACOSTIA FRWY NB over NAVAL RESEARCH LAB ROAD

Map 

Coordinates:
+38.82249, -77.01659
38°49'21" N, 77°00'60" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.

Facts 

Name:ANACOSTIA FRWY NB over NAVAL RESEARCH LAB ROAD
Structure number:1019(NB)
Location:NAVAL RESEARCH LAB
Purpose:Carries highway over highway
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:58.7 ft. [17.9 m]
Total length:60.7 ft. [18.5 m]
Roadway width between curbs:57.7 ft. [17.6 m]
Deck width edge-to-edge:61.0 ft. [18.6 m]
Vertical clearance below bridge:15.7 ft. [4.8 m]
Skew angle:
Owner:State Highway Agency [01]
Year built:1960
Year reconstructed:2004
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:MS 18 / HS 20 [5]
Main span material:Steel [3]
Main span design:Stringer/Multi-beam or girder [02]
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 2016 

Status:Open, no restriction [A]
Average daily traffic:61,500 [as of 2007]
Truck traffic:5% 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:Superior to present desirable criteria [9]
Underclearances appraisal:Meets minimum tolerable limits to be left in place as is [4]
Roadway alignment appraisal:Equal to present minimum criteria [6]
Pier/abutment protection:Navigation protection not required [1]
Scour condition:Bridge not over waterway. [N]
Operating rating:74.8 tons [68.0 metric tons]
Inventory rating:44.9 tons [40.8 metric tons]
Sufficiency rating:90.1
Recommended work:Other structural work, including hydraulic replacements. [38]
Estimated cost of work:$1,750,000

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
March 201690.1Not deficientGoodGoodSatisfactory61500
March 201490.1Not deficientGoodGoodSatisfactory61500
March 201278.2Not deficientGoodFairGood61500
April 201078.2Not deficientGoodFairGood61500
April 200890.1Not deficientVery GoodVery GoodGood61500
April 200688.1Not deficientExcellentExcellentVery Good59900
April 200488.1Not deficientExcellentExcellentExcellent59900
February 200188.1Not deficientSatisfactorySatisfactorySatisfactory59900
November 199887.1Not deficientSatisfactorySatisfactorySatisfactory59900
December 199651.8Structurally deficientPoorSatisfactorySatisfactory59900
November 199473.9Structurally deficientPoorSatisfactorySatisfactory59900
July 199274.9Structurally deficientPoorSatisfactorySatisfactory59900
July 199074.9Structurally deficientPoorSatisfactorySatisfactory59900