IS 664 SBL Ramp H over CSX RR & 664 SBL Ramp G

Map

Coordinates:
+36.97883, -76.42525
36°58'44" N, 76°25'31" W

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

Name:	IS 664 SBL Ramp H over CSX RR & 664 SBL Ramp G
Structure number:	000000000029406
Location:	0.8 Mi Fr Rte 60
Purpose:	Carries highway over highway and railroad
Route classification:	Principal Arterial - Interstate (Urban) `[11]`
Length of largest span:	145.0 ft. `[44.2 m]`
Total length:	585.0 ft. `[178.3 m]`
Roadway width between curbs:	30.5 ft. `[9.3 m]`
Deck width edge-to-edge:	33.8 ft. `[10.3 m]`
Vertical clearance below bridge:	16.4 ft. `[5.0 m]`
Skew angle:	99°
Owner:	State Highway Agency `[01]`
Year built:	1988
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:	5
Main spans material:	Steel continuous `[4]`
Main spans design:	Stringer/Multi-beam or girder `[02]`
Deck type:	Concrete Cast-in-Place `[1]`
Wearing surface:	Monolithic Concrete (concurrently placed with structural deck) `[1]`

Good/Fair/Poor Condition:	Fair
Status:	Open, no restriction `[A]`
Average daily traffic:	6,000 `[as of 1996]`
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:	Superior to present desirable criteria `[9]`
Underclearances appraisal:	Somewhat better than minimum adequacy to tolerate being left in place as is `[5]`
Roadway alignment appraisal:	Equal to present desirable criteria `[8]`
Scour condition:	Bridge not over waterway. `[N]`
Sufficiency rating:	93.0

Date	Condition	Deck	Superstructure	Substructure	ADT	Suff. Rating
May 2017	Fair	Satisfactory	Good	Satisfactory	6000	93.0
May 2015	Fair	Satisfactory	Good	Satisfactory	6000	98.0
May 2013	Fair	Satisfactory	Good	Satisfactory	6000	99.0

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.	3,385	3,373	1	11	0
Steel Protective Coating	sq. ft.	37,068	37,068	0	0	0
Deck
Reinforced Concrete Deck	sq. ft.	19,773	16,344	1,800	1,629	0
Substructure
Reinforced Concrete Column	each	10	10	0	0	0
Reinforced Concrete Pier Wall	linear ft.	60	5	55	0	0
Reinforced Concrete Abutment	linear ft.	66	50	16	0	0
Reinforced Concrete Pier Cap	linear ft.	154	100	36	18	0
Joints
Strip Seal Joint	linear ft.	67	33	0	34	0
Compression Joint	linear ft.	34	0	0	0	34
Bearings
Movable Bearing	each	8	3	1	4	0
Steel Protective Coating	sq. ft.	8	7	0	1	0
Fixed Bearing	each	8	8	0	0	0
Steel Protective Coating	sq. ft.	8	8	0	0	0
Pot Bearing	each	16	14	2	0	0
Steel Protective Coating	sq. ft.	16	14	0	2	0
Bridge Rail
Reinforced Concrete Bridge Rail	linear ft.	1,170	1,170	0	0	0