IS 664 SBL Ramp M over IS 664 SBL Ramp P


+36.98549, -76.42840
36°59'08" N, 76°25'42" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:IS 664 SBL Ramp M over IS 664 SBL Ramp P
Structure number:000000000029493
Location:0.5 Mi To IS 664 Sb
Purpose:Carries highway over highway
Route classification:Minor Arterial (Urban) [16]
Length of largest span:149.0 ft. [45.4 m]
Total length:388.1 ft. [118.3 m]
Roadway width between curbs:26.2 ft. [8.0 m]
Deck width edge-to-edge:33.8 ft. [10.3 m]
Vertical clearance below bridge:16.4 ft. [5.0 m]
Owner:State Highway Agency [01]
Year built:1996
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:3
Main spans material:Steel [3]
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:9,051 [as of 1996]
Truck traffic:2% 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:Superior to present desirable criteria [9]
Underclearances appraisal:Better than present minimum criteria [7]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Scour condition:Bridge not over waterway. [N]
Sufficiency rating:98.0

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
May 2017FairGoodSatisfactorySatisfactory905198.0
May 2015GoodGoodGoodGood905198.0
May 2013FairSatisfactorySatisfactorySatisfactory9051100.0

Element Data

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.
Steel Girder/Beamlinear ft.1,5521,4740780
Steel Protective Coatingsq. ft.27,42426,0531,37100
Reinforced Concrete Decksq. ft.13,12610,8952,23100
Reinforced Concrete Columneach66000
Reinforced Concrete Abutmentlinear ft.70461950
Reinforced Concrete Pier Caplinear ft.111111000
Strip Seal Jointlinear ft.3303300
Pot Bearingeach1600160
Steel Protective Coatingsq. ft.1600160
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.776371389160