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HWY DARTMOUTH ST over TR ORANGE LINE

Map

Coordinates:
+42.34728, -71.07595
42°20'50" N, 71°04'33" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.

Facts

Name:HWY DARTMOUTH ST over TR ORANGE LINE
Structure number:B160854V7MBTNBI
Location:AT BACK BAY STATION
Purpose:Carries highway and pedestrian walkway over railroad
Route classification:Minor Arterial (Urban) [16]
Length of largest span:71.9 ft. [21.9 m]
Total length:309.7 ft. [94.4 m]
Roadway width between curbs:61.0 ft. [18.6 m]
Deck width edge-to-edge:82.4 ft. [25.1 m]
Vertical clearance below bridge:17.7 ft. [5.4 m]
Skew angle:99°
Owner:Other State Agencies [21]
Year built:1961
Year reconstructed:1981
Historic significance:Historical significance is not determinable at this time [4]
Design load:MS 18 / HS 20 [5]
Number of main spans:4
Main spans material:Steel [3]
Main spans design:Stringer/Multi-beam or girder [02]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Bituminous [6]

Latest Available Inspection: March 2016

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:8,900 [as of 1997]
Truck traffic:5% of total traffic
Deck condition:Satisfactory [6 out of 9]
Superstructure condition:Fair [5 out of 9]
Substructure condition:Satisfactory [6 out of 9]
Structural appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Deck geometry appraisal:Equal to present minimum criteria [6]
Underclearances appraisal:Basically intolerable requiring high priority of corrrective action [3]
Roadway alignment appraisal:Basically intolerable requiring high priority of replacement [2]
Scour condition:Bridge not over waterway. [N]
Operating rating:60.1 tons [54.6 metric tons]
Inventory rating:36.0 tons [32.7 metric tons]
Sufficiency rating:76.9
Recommended work:Bridge rehabilitation because of general structure deterioration or inadequate strength. [35]
Estimated cost of work:$12,803,000

Previous Inspections

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
March 201676.9FairSatisfactoryFairSatisfactoryFO8900
June 201476.9FairSatisfactoryFairSatisfactoryFO8900
April 201371.8FairSatisfactoryGoodSatisfactoryFO8900
April 201171.8FairSatisfactoryGoodSatisfactoryFO8900
April 200971.8GoodGoodGoodGoodFO8900
January 200871.8FairGoodVery GoodSatisfactoryFO8900
January 200671.8FairGoodVery GoodSatisfactoryFO8900
February 200371.8FairGoodVery GoodSatisfactoryFO8900
February 200171.8FairGoodVery GoodSatisfactoryFO8900
October 199871.8FairGoodVery GoodSatisfactoryFO8900