D STREET, N.W. over CENTER LEG INNER LOOP

Map

Coordinates:
+38.89481, -77.01444
38°53'41" N, 77°00'52" W

Source: National Bridge Inventory. Information not verified; use at your own risk.

Name:	D STREET, N.W. over CENTER LEG INNER LOOP
Structure number:	1138
Location:	D ST OVER INNER LOOP NW
Purpose:	Carries highway and pedestrian walkway over highway
Route classification:	Collector (Urban) `[17]`
Length of largest span:	79.1 ft. `[24.1 m]`
Total length:	163.1 ft. `[49.7 m]`
Roadway width between curbs:	38.1 ft. `[11.6 m]`
Deck width edge-to-edge:	60.4 ft. `[18.4 m]`
Vertical clearance below bridge:	13.1 ft. `[4.0 m]`
Owner:	State Highway Agency `[01]`
Year built:	1967
Year reconstructed:	2002
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:	2
Main spans material:	Steel `[3]`
Main spans design:	Stringer/Multi-beam or girder `[02]`
Deck type:	Concrete Cast-in-Place `[1]`
Wearing surface:	Latex Concrete or similar additive `[3]`

Good/Fair/Poor Condition:	Fair
Status:	Open, no restriction `[A]`
Average daily traffic:	47,100 `[as of 2007]`
Truck traffic:	2% of total traffic
Deck condition:	Satisfactory `[6 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:	Basically intolerable requiring high priority of replacement `[2]`
Underclearances appraisal:	Meets minimum tolerable limits to be left in place as is `[4]`
Roadway alignment appraisal:	Equal to present desirable criteria `[8]`
Pier/abutment protection:	Navigation protection not required `[1]`
Scour condition:	Bridge not over waterway. `[N]`
Sufficiency rating:	73.1
Recommended work:	Other structural work, including hydraulic replacements. `[38]`
Estimated cost of work:	$1,500,000

Date	Condition	Deck	Superstructure	Substructure	ADT	Suff. Rating
August 2018	Fair	Satisfactory	Good	Satisfactory	47100	73.1
October 2016	Fair	Satisfactory	Good	Satisfactory	47100	71.0
December 2014	Fair	Satisfactory	Good	Good	47100	71.0
November 2012	Fair	Satisfactory	Satisfactory	Good	47100	73.1
October 2010	Fair	Satisfactory	Satisfactory	Good	47100	73.1
September 2008	Good	Good	Very Good	Good	47100	73.1
September 2003	Fair	Satisfactory	Good	Good	10500	77.7
April 2001	Fair	Satisfactory	Good	Good	10500	77.7
February 1998	Fair	Satisfactory	Good	Good	10500	77.7
September 1995	Poor	Serious	Good	Satisfactory	10500	72.6
February 1991	Good	Good	Good	Good	10500	77.0

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.

Element	Units	Quantity	1-Good	2-Fair	3-Poor	4-Serious
Superstructure
Steel Girder/Beam	linear ft.	1,433	1,415	18	0	0
Steel Protective Coating	sq. ft.	14,360	14,349	0	0	11
Deck
Reinforced Concrete Deck	sq. ft.	9,710	9,700	10	0	0
Wearing Surfaces	sq. ft.	6,551	6,517	34	0	0
Substructure
Reinforced Concrete Pier Wall	linear ft.	61	31	15	15	0
Reinforced Concrete Abutment	linear ft.	121	108	0	13	0
Joints
Compression Joint	linear ft.	174	0	149	0	25
Bearings
Elastomeric Bearing	each	36	33	3	0	0
Steel Protective Coating	sq. ft.	172	171	1	0	0
Bridge Rail
Steel or Aluminum Bridge Rail	linear ft.	163	160	0	3	0
Reinforced Concrete Bridge Rail	linear ft.	163	58	0	105	0
Concrete Protective Coating	sq. ft.	408	408	0	0	0