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.

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]`

Good/Fair/Poor Condition:	Fair
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:	73.8 tons `[67.1 metric tons]`
Inventory rating:	43.9 tons `[39.9 metric tons]`
Sufficiency rating:	89.9

Date	Suff. Rating	Condition	Deck	Superstructure	Substructure	SD/FO	ADT
June 2016	89.9	Fair	Satisfactory	Satisfactory	Satisfactory	FO	31800
April 2014	89.9	Fair	Satisfactory	Satisfactory	Satisfactory	FO	31800
June 2012	56.9	Fair	Fair	Fair	Good	FO	31800
July 2010	56.9	Fair	Fair	Fair	Good	FO	31800
July 2008	56.9	Fair	Fair	Fair	Good	FO	31800
August 2006	67.8	Good	Good	Good	Good	-	48000
August 2004	67.8	Good	Good	Good	Good	-	48000
August 2002	67.8	Good	Good	Good	Good	-	48000
October 2000	67.8	Good	Good	Good	Good	-	48000
March 1999	65.8	Good	Very Good	Good	Good	-	48000
September 1996	46.2	Fair	Satisfactory	Satisfactory	Satisfactory	FO	48000
June 1993	48.3	Poor	Poor	Satisfactory	Fair	SD	48000
March 1990	48.3	Poor	Poor	Satisfactory	Fair	SD	48000