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I 93 RAMP NS over RR MBTA

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 NS over RR MBTA
Structure number:B166049THDOTNBI
Location:I93 US1 INTERCHANGE
Purpose:Carries highway over railroad
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:90.6 ft. [27.6 m]
Total length:90.6 ft. [27.6 m]
Roadway width between curbs:36.1 ft. [11.0 m]
Deck width edge-to-edge:40.0 ft. [12.2 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:31,000 [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:Better than present minimum criteria [7]
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:48.2 tons [43.8 metric tons]
Inventory rating:28.9 tons [26.3 metric tons]
Sufficiency rating:83.9
Recommended work:Bridge rehabilitation because of general structure deterioration or inadequate strength. [35]
Estimated cost of work:$1,925,000

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
September 201483.9Not deficientGoodSatisfactoryGood31000
September 201281.1Not deficientGoodSatisfactoryGood40300
March 201081.1Not deficientGoodGoodGood40300
December 200798.0Not deficientGoodGoodGood-