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IS 95/IS 495 over POTOMAC RIVER

Map

Coordinates:
+38.79308, -77.04631
38°47'35" N, 77°02'47" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:IS 95/IS 495 over POTOMAC RIVER
Structure number:100000160173015
Location:ON VIRGINIA LINE
Purpose:Carries highway over waterway
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:270.0 ft. [82.3 m]
Total length:6087.2 ft. [1855.3 m]
Roadway width between curbs:104.0 ft. [31.7 m]
Deck width edge-to-edge:123.7 ft. [37.7 m]
Vertical clearance above deck:17.1 ft. [5.2 m]
Vertical clearance below bridge:68.9 ft. [21.0 m]
Owner:State Highway Agency [01]
Year built:2008
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:MS 22.5 / HS 25 [9]
Number of main spans:3
Main spans material:Steel [3]
Main spans design:Movable - Bascule [16]
Deck type:Concrete Cast-in-Place [1]

Latest Available Inspection: June 2018

Good/Fair/Poor Condition:Good
Status:Open, no restriction [A]
Average daily traffic:87,402 [as of 2006]
Truck traffic:10% of total traffic
Deck condition:Good [7 out of 9]
Superstructure condition:Very Good [8 out of 9]
Substructure condition:Good [7 out of 9]
Structural appraisal:Better than present minimum criteria [7]
Deck geometry appraisal:Equal to present desirable criteria [8]
Water adequacy appraisal:Superior to present desirable criteria [9]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Channel protection:Banks are protected or well vegetated. River control devices such as spur dikes and embankment protection are not required or are in a stable condition. [8]
Pier/abutment protection:In place and functioning [2]
Scour condition:Bridge foundations determined to be stable for assessed or calculated scour condition. [5]
Sufficiency rating:79.2

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
June 2018GoodGoodVery GoodGood8740279.2
June 2016GoodGoodVery GoodGood8740279.2
June 2014GoodGoodVery GoodGood8740279.2
October 2012GoodGoodVery GoodGood8740279.2
October 2010GoodGoodVery GoodGood8740270.0

Element Data

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.
ElementUnitsQuantity1-Good2-Fair3-Poor4-Serious
Superstructure
Steel Girder/Beamlinear ft.46,58546,5632200
Steel Protective Coatingsq. ft.1,165,2641,165,10515270
Steel Stringerlinear ft.28,27228,2561420
Steel Protective Coatingsq. ft.189,841189,7795390
Deck
Reinforced Concrete Decksq. ft.770,271733,46436,80610
Superstructure
Steel Floor Beamlinear ft.27,83227,8022640
Steel Protective Coatingsq. ft.476,316476,22074202
Reinforced Concrete Floor Beamlinear ft.1,6721,672000
Substructure
Prestressed Concrete Columneach72185040
Reinforced Concrete Abutmentlinear ft.299291620
Reinforced Concrete Pile Cap/Footinglinear ft.893893000
Steel Pileeach216216000
Prestressed Concrete Pier Caplinear ft.12,63812,468160100
Joints
Assembly with Sealeach903903000
Open Jointlinear ft.51126125000
Assembly without Seal Jointlinear ft.903090300
Bearings
Movable Bearingeach272272000
Steel Protective Coatingsq. ft.5,9845,984000
Bridge Rail
Steel or Aluminum Bridge Raillinear ft.18,69918,6891000
Steel Protective Coatingsq. ft.56,09756,0871000
Reinforced Concrete Bridge Raillinear ft.17,52413,0334,49100