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I 93 RAMP SN over COMB MBTA & ORANGE LINE

Map 

Coordinates:
+42.38028, -71.07722
42°22'49" N, 71°04'38" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.

Facts 

Name:I 93 RAMP SN over COMB MBTA & ORANGE LINE
Structure number:B166059TTDOTNBI
Location:I93 US1 INTERCHANGE
Purpose:Carries highway over railroad
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:152.9 ft. [46.6 m]
Total length:862.9 ft. [263.0 m]
Roadway width between curbs:22.0 ft. [6.7 m]
Deck width edge-to-edge:25.9 ft. [7.9 m]
Vertical clearance below bridge:38.4 ft. [11.7 m]
Skew angle:99°
Owner:State Highway Agency [01]
Year built:1999
Historic significance:Historical significance is not determinable at this time [4]
Number of main spans:6
Main spans material:Steel continuous [4]
Main spans 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:10,000 [as of 2012]
Truck traffic:6% 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]
Underclearances appraisal:Basically intolerable requiring high priority of corrrective action [3]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Scour condition:Bridge not over waterway. [N]
Operating rating:65.7 tons [59.7 metric tons]
Inventory rating:39.3 tons [35.7 metric tons]
Evaluation:Functionally obsolete [2]
Sufficiency rating:92.5
Recommended work:Widening of existing bridge or other major structure without deck rehabilitation or replacement [33]
Estimated cost of work:$2,747,000

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
September 201492.5Functionally obsoleteGoodGoodGood10000
September 201292.5Functionally obsoleteGoodGoodGood10000
March 201094.0Functionally obsoleteGoodGoodGood-
December 200794.0Functionally obsoleteGoodGoodGood-