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

Facts

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:	13.8 ft. `[4.2 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:	Basically intolerable requiring high priority of corrrective action `[3]`
Roadway alignment appraisal:	Equal to present desirable criteria `[8]`
Pier/abutment protection:	Navigation protection not required `[1]`
Scour condition:	Bridge not over waterway. `[N]`
Operating rating:	89.8 tons `[81.6 metric tons]`
Inventory rating:	53.9 tons `[49.0 metric tons]`
Sufficiency rating:	71.0
Recommended work:	Other structural work, including hydraulic replacements. `[38]`
Estimated cost of work:	$1,500,000

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

Source: National Bridge Elements dataset, 2016 edition. This feature is experimental.

Element	Units	Quantity	1. Good	2. Fair	3. Poor	4. Serious
Superstructure
Steel Girder/Beam	linear ft.	1,433	1,420	13	0	0
Steel Protective Coating	sq. ft.	14,360	14,349	0	0	11
Deck
Reinforced Concrete Deck	sq. ft.	9,710	9,702	8	0	0
Wearing Surfaces	sq. ft.	6,551	6,517	34	0	0
Substructure
Reinforced Concrete Pier Wall	linear ft.	61	36	8	17	0
Reinforced Concrete Abutment	linear ft.	121	110	0	11	0
Joints
Compression Joint	linear ft.	174	0	174	0	0
Bearings
Elastomeric Bearing	each	36	35	1	0	0
Steel Protective Coating	sq. ft.	172	171	1	0	0
Bridge Rail
Steel or Aluminum Bridge Rail	linear ft.	163	161	0	2	0
Reinforced Concrete Bridge Rail	linear ft.	163	58	0	105	0
Concrete Protective Coating	sq. ft.	408	408	0	0	0