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I 93 RAMP N-S over I 93 RAMP LC-S TUNNEL

Map 

Coordinates:
+42.36639, -71.06500
42°21'59" N, 71°03'54" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.

Facts 

Name:I 93 RAMP N-S over I 93 RAMP LC-S TUNNEL
Structure number:B166206JLDOTNBI
Location:LEVERETT CIR-UNIT 1
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:92.2 ft. [28.1 m]
Total length:97.1 ft. [29.6 m]
Roadway width between curbs:37.1 ft. [11.3 m]
Deck width edge-to-edge:40.0 ft. [12.2 m]
Vertical clearance above deck:15.1 ft. [4.6 m]
Skew angle:23°
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]
Main span material:Prestressed concrete [5]
Main span design:Stringer/Multi-beam or girder [02]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Latex Concrete or similar additive [3]

Latest Available Inspection: May 2014 

Status:Open, no restriction [A]
Average daily traffic:54,300 [as of 2012]
Truck traffic:1% 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:Basically intolerable requiring high priority of replacement [2]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Pier/abutment protection:Navigation protection not required [1]
Scour condition:Bridge not over waterway. [N]
Operating rating:96.6 tons [87.8 metric tons]
Inventory rating:57.9 tons [52.6 metric tons]
Evaluation:Functionally obsolete [2]
Sufficiency rating:64.0
Recommended work:Widening of existing bridge or other major structure without deck rehabilitation or replacement [33]
Estimated cost of work:$911,000

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
May 201464.0Functionally obsoleteGoodGoodGood54300
May 201264.0Functionally obsoleteGoodGoodGood54300
May 201085.1Not deficientGoodGoodGood45981
April 200985.1Not deficientVery GoodVery GoodVery Good45981