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HWY DARTMOUTH ST over RR AMTRAK/MBTA

Map

Coordinates:
+42.34711, -71.07587
42°20'50" N, 71°04'33" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
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:16.4 ft. [5.0 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 2018

Good/Fair/Poor Condition:Good
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]
Sufficiency rating:78.5
Recommended work:Widening of existing bridge or other major structure without deck rehabilitation or replacement [33]
Estimated cost of work:$1,517,000

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
January 2018GoodGoodGoodVery Good1202678.5
January 2016GoodGoodGoodVery Good1202678.5
January 2014GoodGoodGoodVery Good1500078.2
January 2012GoodGoodVery GoodVery Good1500078.2
January 2010GoodGoodVery GoodVery Good2170077.3

Element Data

Source: National Bridge Elements dataset, 2018 edition. This feature is experimental.
ElementUnitsQuantity1-Good2-Fair3-Poor4-Serious
Superstructure
Steel Girder/Beamlinear ft.827827000
Steel Protective Coatingsq. ft.6,6086,05800550
Deck
Reinforced Concrete Decksq. ft.4,3104,2308000
Wearing Surfacessq. ft.4,3104,3001000
Substructure
Reinforced Concrete Abutmentlinear ft.100100000
Reinforced Concrete Pier Caplinear ft.100100000
Joints
Compression Jointlinear ft.6295300
Bearings
Movable Bearingeach1212000
Steel Protective Coatingsq. ft.4848000
Enclosed/Concealed Bearingeach1212000