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HWY DARTMOUTH ST over HWY I 90

Map

Coordinates:
+42.34786, -71.07625
42°20'52" N, 71°04'35" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:HWY DARTMOUTH ST over HWY I 90
Structure number:B160484TBDOTNBI
Location:AT COPLEY PLACE S62
Purpose:Carries highway and pedestrian walkway over highway and railroad
Route classification:Minor Arterial (Urban) [16]
Length of largest span:68.9 ft. [21.0 m]
Total length:361.9 ft. [110.3 m]
Roadway width between curbs:64.0 ft. [19.5 m]
Deck width edge-to-edge:82.4 ft. [25.1 m]
Vertical clearance below bridge:13.1 ft. [4.0 m]
Owner:State Highway Agency [01]
Year built:1965
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:MS 18 / HS 20 [5]
Number of main spans:2
Main spans material:Steel [3]
Main spans design:Stringer/Multi-beam or girder [02]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Monolithic Concrete (concurrently placed with structural deck) [1]

Latest Available Inspection: November 2016

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:13,200 [as of 2016]
Truck traffic:5% of total traffic
Deck condition:Satisfactory [6 out of 9]
Superstructure condition:Satisfactory [6 out of 9]
Substructure condition:Satisfactory [6 out of 9]
Structural appraisal:Equal to present minimum criteria [6]
Deck geometry appraisal:Better than present minimum criteria [7]
Underclearances appraisal:Basically intolerable requiring high priority of corrrective action [3]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Scour condition:Bridge not over waterway. [N]
Sufficiency rating:85.5
Recommended work:Widening of existing bridge or other major structure without deck rehabilitation or replacement [33]
Estimated cost of work:$3,721,000

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
November 2016FairSatisfactorySatisfactorySatisfactory1320085.5
November 2014FairSatisfactorySatisfactorySatisfactory918286.6
November 2012FairSatisfactorySatisfactorySatisfactory918286.6
November 2010FairSatisfactorySatisfactoryFair890075.3
October 2008FairSatisfactorySatisfactoryFair890075.3

Element Data

Source: National Bridge Elements dataset, 2018 edition. This feature is experimental.
ElementUnitsQuantity1-Good2-Fair3-Poor4-Serious
Superstructure
Steel Girder/Beamlinear ft.1,4441,006400380
Steel Protective Coatingsq. ft.9,1684,1263,3921,375275
Deck
Reinforced Concrete Decksq. ft.9,0758,530525200
Wearing Surfacessq. ft.7,1646,93622800
Substructure
Reinforced Concrete Columneach66000
Reinforced Concrete Pier Walllinear ft.6363000
Reinforced Concrete Abutmentlinear ft.8782500
Reinforced Concrete Pier Caplinear ft.174174000
Joints
Strip Seal Jointlinear ft.180090090
Bearings
Movable Bearingeach2401860
Fixed Bearingeach2401590