Share:

HWY DARTMOUTH ST over HWY I 90

Map

Coordinates:
+42.34778, -71.07667
42°20'52" N, 71°04'36" 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:15.1 ft. [4.6 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]
Operating rating:60.8 tons [55.3 metric tons]
Inventory rating:36.4 tons [33.1 metric tons]
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

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
November 201685.5FairSatisfactorySatisfactorySatisfactoryFO13200
November 201486.6FairSatisfactorySatisfactorySatisfactoryFO9182
November 201286.6FairSatisfactorySatisfactorySatisfactoryFO9182
November 201075.3FairSatisfactorySatisfactoryFairFO8900
October 200875.3FairSatisfactorySatisfactoryFairFO8900

Element Data

Source: National Bridge Elements dataset, 2016 edition. This feature is experimental.
ElementUnitsQuantity1. Good2. Fair3. Poor4. Serious
Superstructure
Steel Girder/Beamlinear ft.1,4405957201250
Steel Protective Coatingsq. ft.1,9981,998000
Deck
Reinforced Concrete Decksq. ft.9,0748,54952500
Wearing Surfacessq. ft.7,1646,73443000
Substructure
Reinforced Concrete Columneach66000
Reinforced Concrete Pier Walllinear ft.6358500
Reinforced Concrete Abutmentlinear ft.8787000
Reinforced Concrete Pier Caplinear ft.174174000
Joints
Strip Seal Jointlinear ft.180090090
Bearings
Movable Bearingeach2402400
Steel Protective Coatingsq. ft.999999000
Fixed Bearingeach2461800
Steel Protective Coatingsq. ft.999999000