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


+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]

Latest Available Inspection: May 2017

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

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
May 2017FairSatisfactoryGoodSatisfactory600093.0
May 2015FairSatisfactoryGoodSatisfactory600098.0
May 2013FairSatisfactoryGoodSatisfactory600099.0

Element Data

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.
Steel Girder/Beamlinear ft.3,3853,3731110
Steel Protective Coatingsq. ft.37,06837,068000
Reinforced Concrete Decksq. ft.19,77316,3441,8001,6290
Reinforced Concrete Columneach1010000
Reinforced Concrete Pier Walllinear ft.6055500
Reinforced Concrete Abutmentlinear ft.66501600
Reinforced Concrete Pier Caplinear ft.15410036180
Strip Seal Jointlinear ft.67330340
Compression Jointlinear ft.3400034
Movable Bearingeach83140
Steel Protective Coatingsq. ft.87010
Fixed Bearingeach88000
Steel Protective Coatingsq. ft.88000
Pot Bearingeach1614200
Steel Protective Coatingsq. ft.1614020
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.1,1701,170000