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I 495 RAMP E over I 495 RAMPS A & B

Map

Coordinates:
+42.71153, -71.13706
42°42'42" N, 71°08'13" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:I 495 RAMP E over I 495 RAMPS A & B
Structure number:L04053AJMDOTNBI
Location:.3 MI N MERRIMAC RIVER
Purpose:Carries highway over highway
Route classification:Minor Arterial (Urban) [16]
Length of largest span:106.0 ft. [32.3 m]
Total length:172.6 ft. [52.6 m]
Roadway width between curbs:27.2 ft. [8.3 m]
Deck width edge-to-edge:32.8 ft. [10.0 m]
Vertical clearance below bridge:13.1 ft. [4.0 m]
Owner:State Highway Agency [01]
Year built:2004
Historic significance:Historical significance is not determinable at this time [4]
Design load:MS 18 / HS 20 [5]
Number of main spans:3
Main spans material:Prestressed concrete continuous [6]
Main spans design:Box Beam or girders - Single or Spread [06]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Bituminous [6]

Latest Available Inspection: November 2018

Good/Fair/Poor Condition:Good
Status:Open, no restriction [A]
Average daily traffic:19,300 [as of 2016]
Truck traffic:7% of total traffic
Deck condition:Good [7 out of 9]
Superstructure condition:Good [7 out of 9]
Substructure condition:Good [7 out of 9]
Structural appraisal:Better than present minimum criteria [7]
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
November 2018GoodGoodGoodGood1930098.0
November 2016GoodGoodGoodGood1930098.0
November 2014GoodGoodGoodGood2040098.0
November 2012GoodGoodGoodGood2040098.0
November 2010GoodGoodVery GoodGood2040098.0
November 2008GoodGoodVery GoodGood2040098.0

Element Data

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.
ElementUnitsQuantity1-Good2-Fair3-Poor4-Serious
Superstructure
Prestressed Concrete Closed Web/Box Girderlinear ft.7056941100
Deck
Reinforced Concrete Decksq. ft.5,6415,6202001
Wearing Surfacessq. ft.5,0274,9980290
Concrete Protective Coatingsq. ft.5,0275,027000
Substructure
Reinforced Concrete Columneach66000
Reinforced Concrete Abutmentlinear ft.68580100
Reinforced Concrete Pier Caplinear ft.6562003
Joints
Pourable Jointlinear ft.6565000
Bearings
Elastomeric Bearingeach4848000
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.3473153200