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HWY DARTMOUTH ST over RR AMTRAK/MBTA

Map 

Coordinates:
+42.34750, -71.07639
42°20'51" N, 71°04'35" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.

Facts 

Name:HWY DARTMOUTH ST over RR AMTRAK/MBTA
Structure number:B160853HNDOT634
Location:.16 KM S OF I90/COPLY PL.
Purpose:Carries highway and pedestrian walkway over railroad
Route classification:Minor Arterial (Urban) [16]
Length of largest span:72.2 ft. [22.0 m]
Total length:75.1 ft. [22.9 m]
Roadway width between curbs:55.1 ft. [16.8 m]
Deck width edge-to-edge:99.7 ft. [30.4 m]
Vertical clearance below bridge:18.0 ft. [5.5 m]
Skew angle:16°
Owner:State Highway Agency [01]
Year built:1983
Historic significance:Historical significance is not determinable at this time [4]
Main span material:Steel [3]
Main span design:Stringer/Multi-beam or girder [02]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Latex Concrete or similar additive [3]

Latest Available Inspection: January 2016 

Status:Open, no restriction [A]
Average daily traffic:12,026 [as of 2016]
Truck traffic:3% of total traffic
Deck condition:Good [7 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:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Underclearances appraisal:Basically intolerable requiring high priority of corrrective action [3]
Roadway alignment appraisal:Equal to present minimum criteria [6]
Scour condition:Bridge not over waterway. [N]
Operating rating:63.5 tons [57.7 metric tons]
Inventory rating:35.6 tons [32.4 metric tons]
Evaluation:Functionally obsolete [2]
Sufficiency rating:78.5
Recommended work:Widening of existing bridge or other major structure without deck rehabilitation or replacement [33]
Estimated cost of work:$1,649,000

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
January 201678.5Functionally obsoleteGoodGoodVery Good12026
January 201478.2Functionally obsoleteGoodGoodVery Good15000
January 201278.2Functionally obsoleteGoodVery GoodVery Good15000
January 201077.3Functionally obsoleteGoodVery GoodVery Good21700