HARRY BYRD HWY-WBL over ROUTE 340

Map

Coordinates:
+39.16145, -77.97727
39°09'41" N, 77°58'38" W

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

Name:	HARRY BYRD HWY-WBL over ROUTE 340
Structure number:	000000000005370
Location:	1.60 TO F729 - 1.55 7BUS
Purpose:	Carries highway overpass over highway
Route classification:	Principal Arterial - Other (Rural) `[02]`
Length of largest span:	89.9 ft. `[27.4 m]`
Total length:	180.1 ft. `[54.9 m]`
Roadway width between curbs:	36.1 ft. `[11.0 m]`
Deck width edge-to-edge:	40.0 ft. `[12.2 m]`
Vertical clearance below bridge:	16.4 ft. `[5.0 m]`
Owner:	State Highway Agency `[01]`
Year built:	1975
Historic significance:	Bridge is not eligible for the National Register of Historic Places `[5]`
Design load:	MS 18+Mod / HS 20+Mod `[6]`
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:	Epoxy Overlay `[5]`

Good/Fair/Poor Condition:	Fair
Status:	Open, no restriction `[A]`
Average daily traffic:	11,092 `[as of 2014]`
Truck traffic:	4% of total traffic
Deck condition:	Good `[7 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:	Equal to present minimum criteria `[6]`
Underclearances appraisal:	Equal to present minimum criteria `[6]`
Roadway alignment appraisal:	Equal to present desirable criteria `[8]`
Scour condition:	Bridge not over waterway. `[N]`
Sufficiency rating:	97.0

Date	Condition	Deck	Superstructure	Substructure	ADT	Suff. Rating
September 2018	Fair	Good	Satisfactory	Satisfactory	11092	97.0
September 2016	Fair	Good	Good	Satisfactory	11092	97.0
September 2014	Fair	Good	Good	Satisfactory	10637	97.0
September 2012	Fair	Good	Good	Satisfactory	10637	99.0
September 2010	Good	Good	Good	Good	10637	99.0
August 2008	Good	Good	Good	Good	10637	99.0
May 2006	Fair	Fair	Good	Good	10840	98.0
June 2004	Good	Very Good	Good	Good	9860	100.0
May 2002	Good	Very Good	Good	Good	7491	100.0
June 2000	Good	Very Good	Good	Good	6267	98.0
July 1998	Good	Very Good	Good	Good	6267	98.0
June 1996	Fair	Fair	Good	Good	4200	97.0
July 1994	Fair	Fair	Good	Good	15000	97.0
May 1992	Fair	Satisfactory	Satisfactory	Good	4507	98.0
April 1990	Fair	Satisfactory	Satisfactory	Good	3792	93.0

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.	900	794	57	49	0
Steel Protective Coating	sq. ft.	7,200	0	6,800	400	0
Deck
Reinforced Concrete Deck	sq. ft.	7,200	6,943	256	1	0
Wearing Surfaces	sq. ft.	6,480	5,184	0	0	1,296
Substructure
Reinforced Concrete Column	each	3	1	2	0	0
Reinforced Concrete Abutment	linear ft.	84	74	10	0	0
Reinforced Concrete Pier Cap	linear ft.	41	11	30	0	0
Joints
Compression Joint	linear ft.	80	63	0	17	0
Bearings
Elastomeric Bearing	each	10	0	0	10	0
Steel Protective Coating	sq. ft.	20	0	0	20	0
Fixed Bearing	each	10	0	4	6	0
Steel Protective Coating	sq. ft.	20	0	10	10	0
Bridge Rail
Steel or Aluminum Bridge Rail	linear ft.	360	360	0	0	0
Reinforced Concrete Bridge Rail	linear ft.	360	360	0	0	0