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IS 270 RAMP C over IS 270Y RAMPS B & B3

Map

Coordinates:
+39.03412, -77.14283
39°02'03" N, 77°08'34" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:IS 270 RAMP C over IS 270Y RAMPS B & B3
Structure number:100000150082010
Location:0.85 MILE NORTH OF MD 187
Purpose:Carries highway over highway
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:120.1 ft. [36.6 m]
Total length:298.9 ft. [91.1 m]
Roadway width between curbs:58.1 ft. [17.7 m]
Deck width edge-to-edge:61.7 ft. [18.8 m]
Vertical clearance below bridge:13.1 ft. [4.0 m]
Skew angle:61°
Owner:State Highway Agency [01]
Year built:1958
Year reconstructed:1990
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:MS 18 / HS 20 [5]
Main span material:Steel [3]
Main span 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: September 2017

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:130,450 [as of 2009]
Truck traffic:8% of total traffic
Deck condition:Satisfactory [6 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:Better than present minimum criteria [7]
Underclearances appraisal:Basically intolerable requiring high priority of corrrective action [3]
Roadway alignment appraisal:Equal to present minimum criteria [6]
Pier/abutment protection:Navigation protection not required [1]
Scour condition:Bridge not over waterway. [N]
Sufficiency rating:81.0

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
September 2017FairSatisfactorySatisfactorySatisfactory13045081.0
November 2015FairSatisfactorySatisfactorySatisfactory13045081.0
November 2013FairSatisfactorySatisfactorySatisfactory13045081.0
September 2011FairSatisfactorySatisfactorySatisfactory13045081.0
June 2009FairSatisfactorySatisfactorySatisfactory6294181.0
June 2007FairSatisfactorySatisfactorySatisfactory5873881.0
June 2005FairSatisfactorySatisfactorySatisfactory5873881.0
June 2003FairGoodSatisfactoryGood1040090.9
May 2001GoodGoodGoodGood10442581.0
April 1999GoodGoodGoodGood10442581.0
May 1997GoodGoodGoodGood10442581.0
March 1995GoodGoodGoodGood7892581.0
March 1993GoodGoodGoodGood7892581.0
March 1991FairGoodSatisfactorySatisfactory7892581.0

Element Data

Source: National Bridge Elements dataset, 2018 edition. This feature is experimental.
ElementUnitsQuantity1-Good2-Fair3-Poor4-Serious
Superstructure
Steel Girder/Beamlinear ft.3,2453,2252000
Steel Protective Coatingsq. ft.47,35246,762550400
Deck
Reinforced Concrete Decksq. ft.22,21222,1922000
Substructure
Reinforced Concrete Columneach2622400
Reinforced Concrete Abutmentlinear ft.2652402500
Reinforced Concrete Pier Caplinear ft.2702303550
Joints
Compression Jointlinear ft.24818746150
Bearings
Movable Bearingeach3938100
Steel Protective Coatingsq. ft.30002001000
Fixed Bearingeach3939000
Steel Protective Coatingsq. ft.314031400
Bridge Rail
Steel or Aluminum Bridge Raillinear ft.325325000
Reinforced Concrete Bridge Raillinear ft.690688200