IS 64 WBL N Appr over Hampton Roads

Map

Coordinates:
+37.01155, -76.32271
37°00'42" N, 76°19'22" W

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

Name:	IS 64 WBL N Appr over Hampton Roads
Structure number:	000000000020355
Location:	North Approach HRBT
Purpose:	Carries highway over waterway
Route classification:	Principal Arterial - Interstate (Rural) `[01]`
Length of largest span:	49.9 ft. `[15.2 m]`
Total length:	3250.2 ft. `[990.6 m]`
Roadway width between curbs:	42.7 ft. `[13.0 m]`
Deck width edge-to-edge:	45.9 ft. `[14.0 m]`
Vertical clearance above deck:	18.4 ft. `[5.6 m]`
Vertical clearance below bridge:	9.8 ft. `[3.0 m]`
Owner:	State Highway Agency `[01]`
Year built:	1957
Year reconstructed:	1999
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:	65
Main spans material:	Prestressed concrete `[5]`
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:	42,308 `[as of 2014]`
Truck traffic:	2% of total traffic
Deck condition:	Satisfactory `[6 out of 9]`
Superstructure condition:	Fair `[5 out of 9]`
Substructure condition:	Fair `[5 out of 9]`
Structural appraisal:	Somewhat better than minimum adequacy to tolerate being left in place as is `[5]`
Deck geometry appraisal:	Superior to present desirable criteria `[9]`
Water adequacy appraisal:	Equal to present minimum criteria `[6]`
Roadway alignment appraisal:	Equal to present desirable criteria `[8]`
Channel protection:	Banks are protected or well vegetated. River control devices such as spur dikes and embankment protection are not required or are in a stable condition. `[8]`
Pier/abutment protection:	Navigation protection not required `[1]`
Scour condition:	Bridge foundations determined to be stable for assessed or calculated scour condition. `[5]`
Sufficiency rating:	77.2

Date	Condition	Deck	Superstructure	Substructure	ADT	Suff. Rating
June 2017	Fair	Satisfactory	Fair	Fair	42308	77.2
June 2015	Fair	Satisfactory	Fair	Fair	42308	82.4
June 2013	Fair	Satisfactory	Fair	Fair	40000	82.7
June 2011	Fair	Satisfactory	Fair	Fair	40000	82.7
June 2009	Fair	Good	Satisfactory	Fair	40000	82.7
October 2007	Fair	Good	Satisfactory	Fair	40000	82.7
August 2005	Fair	Good	Satisfactory	Satisfactory	40000	94.3
September 2003	Fair	Good	Satisfactory	Satisfactory	40000	94.3
July 2001	Fair	Good	Satisfactory	Fair	40000	82.7
June 1999	Fair	Good	Satisfactory	Fair	40000	82.7
October 1996	Fair	Fair	Fair	Fair	38500	63.5
May 1994	Fair	Fair	Fair	Fair	36485	64.8
October 1991	Fair	Fair	Fair	Fair	72970	60.7

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

Element	Units	Quantity	1-Good	2-Fair	3-Poor	4-Serious
Superstructure
Prestressed Concrete Girder/Beam	linear ft.	31,450	31,299	0	151	0
Concrete Protective Coating	sq. ft.	206,570	195,940	10,328	0	302
Deck
Reinforced Concrete Deck	sq. ft.	162,100	158,828	3,242	30	0
Wearing Surfaces	sq. ft.	151,245	133,907	45	17,293	0
Substructure
Reinforced Concrete Abutment	linear ft.	104	90	10	4	0
Concrete Protective Coating	sq. ft.	728	650	78	0	0
Prestressed Concrete Pile	each	472	431	22	19	0
Reinforced Concrete Pier Cap	linear ft.	3,064	2,163	735	166	0
Concrete Protective Coating	sq. ft.	17,536	8,541	5,260	3,288	447
Joints
Pourable Joint	linear ft.	1,204	1,033	0	171	0
Bearings
Movable Bearing	each	224	0	222	2	0
Steel Protective Coating	sq. ft.	224	0	0	224	0
Fixed Bearing	each	1,033	0	1,005	28	0
Steel Protective Coating	sq. ft.	1,033	0	0	1,033	0
Bridge Rail
Reinforced Concrete Bridge Rail	linear ft.	6,500	5,850	650	0	0