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I 93 RAMPS SN NS over RR MBTA

Map 

Coordinates:
+42.37889, -71.07639
42°22'44" N, 71°04'35" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.

Facts 

Name:I 93 RAMPS SN NS over RR MBTA
Structure number:B166059TXDOTNBI
Location:I93 US1 INTERCHANGE
Purpose:Carries highway over railroad
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:147.0 ft. [44.8 m]
Total length:434.1 ft. [132.3 m]
Roadway width between curbs:50.9 ft. [15.5 m]
Deck width edge-to-edge:56.8 ft. [17.3 m]
Vertical clearance below bridge:40.0 ft. [12.2 m]
Skew angle:
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:3
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:94,900 [as of 2014]
Truck traffic:2% of total traffic
Deck condition:Good [7 out of 9]
Superstructure condition:Satisfactory [6 out of 9]
Substructure condition:Good [7 out of 9]
Structural appraisal:Equal to present minimum criteria [6]
Deck geometry appraisal:Superior to present desirable criteria [9]
Underclearances appraisal:Meets minimum tolerable limits to be left in place as is [4]
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:92.2 tons [83.8 metric tons]
Inventory rating:55.2 tons [50.2 metric tons]
Sufficiency rating:83.0
Recommended work:Widening of existing bridge or other major structure without deck rehabilitation or replacement [33]
Estimated cost of work:$5,213,000

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
September 201483.0Not deficientGoodSatisfactoryGood94900
September 201292.8Not deficientVery GoodGoodGood11000
March 201092.8Not deficientVery GoodGoodGood11000
December 200796.0Not deficientVery GoodVery GoodGood-