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I 93 RAMP NS over US 1 RAMP TC

Map

Coordinates:
+42.37181, -71.06801
42°22'19" N, 71°04'05" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:I 93 RAMP NS over US 1 RAMP TC
Structure number:B166068YRDOTNBI
Location:I93/US1 INTERCHANGE
Purpose:Carries highway over highway
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:82.0 ft. [25.0 m]
Total length:368.1 ft. [112.2 m]
Roadway width between curbs:22.0 ft. [6.7 m]
Deck width edge-to-edge:25.9 ft. [7.9 m]
Vertical clearance above deck:20.7 ft. [6.3 m]
Vertical clearance below bridge:13.1 ft. [4.0 m]
Owner:State Highway Agency [01]
Year built:1999
Historic significance:Historical significance is not determinable at this time [4]
Design load:MS 18 / HS 20 [5]
Number of main spans:5
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:Latex Concrete or similar additive [3]

Latest Available Inspection: May 2016

Good/Fair/Poor Condition:Good
Status:Open, no restriction [A]
Average daily traffic:19,000 [as of 2016]
Truck traffic:2% 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:Equal to present minimum criteria [6]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Pier/abutment protection:Navigation protection not required [1]
Scour condition:Bridge not over waterway. [N]
Sufficiency rating:92.7
Recommended work:Widening of existing bridge or other major structure without deck rehabilitation or replacement [33]
Estimated cost of work:$1,748,000

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
May 2016GoodGoodGoodGood1900092.7
May 2014GoodGoodGoodGood1900091.6
May 2012GoodGoodGoodGood1900091.6
May 2010GoodGoodGoodGood4030026.0
October 2008GoodVery GoodGoodVery Good17463026.0

Element Data

Source: National Bridge Elements dataset, 2018 edition. This feature is experimental.
ElementUnitsQuantity1-Good2-Fair3-Poor4-Serious
Superstructure
Prestressed Concrete Closed Web/Box Girderlinear ft.3683501800
Deck
Reinforced Concrete Decksq. ft.9,5689,08248600
Wearing Surfacessq. ft.8,0967,600486100
Substructure
Reinforced Concrete Columneach43100
Reinforced Concrete Pier Walllinear ft.1414000
Reinforced Concrete Abutmentlinear ft.5353000
Joints
Strip Seal Jointlinear ft.2202200
Assembly with Sealeach2202200
Bearings
Elastomeric Bearingeach125700
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.736732040