IS 664 SBL Ramp D over IS 664 & Ramps C & E


+36.98164, -76.42531
36°58'54" N, 76°25'31" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:IS 664 SBL Ramp D over IS 664 & Ramps C & E
Structure number:000000000029306
Location:0.3 Mi From 664 SB
Purpose:Carries highway over highway
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:106.0 ft. [32.3 m]
Total length:416.0 ft. [126.8 m]
Roadway width between curbs:30.5 ft. [9.3 m]
Deck width edge-to-edge:33.1 ft. [10.1 m]
Vertical clearance below bridge:13.1 ft. [4.0 m]
Skew angle:61°
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:4
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: October 2017

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:6,000 [as of 2008]
Truck traffic:2% of total traffic
Deck condition:Good [7 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:96.0

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
October 2017FairGoodGoodSatisfactory600096.0
October 2015FairGoodGoodSatisfactory600097.0
October 2013FairGoodGoodSatisfactory600097.0
October 2011FairGoodGoodSatisfactory600097.0
October 2009FairGoodGoodSatisfactory600038.0

Element Data

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.
Steel Girder/Beamlinear ft.2,2411,35488700
Steel Protective Coatingsq. ft.21,82819,64502,1830
Reinforced Concrete Decksq. ft.14,06113,83622320
Reinforced Concrete Columneach88000
Reinforced Concrete Abutmentlinear ft.1622383560
Reinforced Concrete Pier Caplinear ft.1221002200
Strip Seal Jointlinear ft.1212107426
Compression Jointlinear ft.51400110
Movable Bearingeach80710
Steel Protective Coatingsq. ft.80071
Fixed Bearingeach80800
Steel Protective Coatingsq. ft.80080
Disk Bearingeach1201200
Steel Protective Coatingsq. ft.1200120
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.8626421101100