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I 93 SB B5-B10 over RR MBTA/BMRR

Map 

Coordinates:
+42.38139, -71.07694
42°22'53" N, 71°04'37" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.

Facts 

Name:I 93 SB B5-B10 over RR MBTA/BMRR
Structure number:B162813EDDOTNBI
Location:.9 MI N OF JCT I93&US1
Purpose:Carries highway over railroad
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:139.1 ft. [42.4 m]
Total length:549.9 ft. [167.6 m]
Roadway width between curbs:44.9 ft. [13.7 m]
Deck width edge-to-edge:57.1 ft. [17.4 m]
Vertical clearance above deck:16.4 ft. [5.0 m]
Vertical clearance below bridge:35.1 ft. [10.7 m]
Owner:State Highway Agency [01]
Year built:1970
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:MS 18+Mod / HS 20+Mod [6]
Number of main spans:5
Main spans material:Steel [3]
Main spans design:Girder and floorbeam system [03]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Bituminous [6]

Latest Available Inspection: July 2015 

Status:Open, no restriction [A]
Average daily traffic:47,940 [as of 2015]
Truck traffic:9% of total traffic
Deck condition:Satisfactory [6 out of 9]
Superstructure condition:Satisfactory [6 out of 9]
Substructure condition:Fair [5 out of 9]
Structural appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Deck geometry appraisal:Meets minimum tolerable limits to be left in place as is [4]
Underclearances appraisal:Basically intolerable requiring high priority of corrrective action [3]
Roadway alignment appraisal:Better than present minimum criteria [7]
Scour condition:Bridge not over waterway. [N]
Operating rating:52.7 tons [47.9 metric tons]
Inventory rating:31.6 tons [28.7 metric tons]
Evaluation:Functionally obsolete [2]
Sufficiency rating:72.9
Recommended work:Bridge rehabilitation because of general structure deterioration or inadequate strength. [35]
Estimated cost of work:$16,457,000

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
July 201572.9Functionally obsoleteSatisfactorySatisfactoryFair47940
July 201372.9Functionally obsoleteSatisfactorySatisfactoryFair47940
March 201170.3Functionally obsoleteSatisfactorySatisfactoryFair68700
April 200870.3Functionally obsoleteSatisfactorySatisfactoryFair68700