Share:

K STREET, N.W. over POTOMAC PKWY

Map 

Coordinates:
+38.90306, -77.06496
38°54'11" N, 77°03'54" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.

Facts 

Name:K STREET, N.W. over POTOMAC PKWY
Structure number:0036(POT. PKWY)
Location:K ST OVER POTOMAC PKWY NW
Purpose:Carries highway and pedestrian walkway over highway
Route classification:Other Principal Arterial (Urban) [14]
Length of largest span:68.9 ft. [21.0 m]
Total length:79.1 ft. [24.1 m]
Roadway width between curbs:85.6 ft. [26.1 m]
Deck width edge-to-edge:105.3 ft. [32.1 m]
Vertical clearance below bridge:12.5 ft. [3.8 m]
Skew angle:17°
Owner:State Highway Agency [01]
Year built:1940
Year reconstructed:1998
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:MS 18 / HS 20 [5]
Main span material:Concrete [1]
Main span design:Frame [07]
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: April 2014 

Status:Open, no restriction [A]
Average daily traffic:31,800 [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:Superior to present desirable criteria [9]
Underclearances appraisal:Basically intolerable requiring high priority of corrrective action [3]
Roadway alignment appraisal:Equal to present desirable criteria [8]
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]
Evaluation:Functionally obsolete [2]
Sufficiency rating:89.9

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
April 201489.9Functionally obsoleteSatisfactorySatisfactorySatisfactory31800
June 201256.9Functionally obsoleteFairFairGood31800
July 201056.9Functionally obsoleteFairFairGood31800
July 200856.9Functionally obsoleteFairFairGood31800
August 200667.8Not deficientGoodGoodGood48000
August 200467.8Not deficientGoodGoodGood48000
August 200267.8Not deficientGoodGoodGood48000
October 200067.8Not deficientGoodGoodGood48000
March 199965.8Not deficientVery GoodGoodGood48000
September 199646.2Functionally obsoleteSatisfactorySatisfactorySatisfactory48000
June 199348.3Structurally deficientPoorSatisfactoryFair48000
March 199048.3Structurally deficientPoorSatisfactoryFair48000