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I 93 RAMP SN over TR MBTA ORANGE LINE

Map 

Coordinates:
+42.38194, -71.07694
42°22'55" N, 71°04'37" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.

Facts 

Name:I 93 RAMP SN over TR MBTA ORANGE LINE
Structure number:B166059E8DOTNBI
Location:I93 US1 INTERCHANGE
Purpose:Carries highway over railroad
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:81.7 ft. [24.9 m]
Total length:81.7 ft. [24.9 m]
Roadway width between curbs:22.0 ft. [6.7 m]
Deck width edge-to-edge:25.9 ft. [7.9 m]
Skew angle:99°
Owner:State Highway Agency [01]
Year built:1999
Historic significance:Historical significance is not determinable at this time [4]
Design load:MS 22.5 / HS 25 [9]
Main span material:Steel [3]
Main span design:Box beam or girders - Multiple [05]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Latex Concrete or similar additive [3]

Latest Available Inspection: September 2014 

Status:Open, no restriction [A]
Average daily traffic:18,500 [as of 2010]
Truck traffic:4% of total traffic
Deck condition:Very Good [8 out of 9]
Superstructure condition:Good [7 out of 9]
Substructure condition:Very Good [8 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]
Scour condition:Bridge not over waterway. [N]
Operating rating:78.9 tons [71.7 metric tons]
Inventory rating:47.2 tons [42.9 metric tons]
Sufficiency rating:95.4
Recommended work:Widening of existing bridge or other major structure without deck rehabilitation or replacement [33]
Estimated cost of work:$262,000

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
September 201495.4Not deficientVery GoodGoodVery Good18500
September 201295.4Not deficientVery GoodGoodVery Good18500
March 201095.4Not deficientVery GoodGoodGood18500
December 200798.0Not deficientVery GoodVery GoodVery Good-