Share:

HWY DARTMOUTH ST over HWY I 90

Map 

Coordinates:
+42.34778, -71.07667
42°20'52" N, 71°04'36" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.

Facts 

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 2014 

Status:Open, no restriction [A]
Average daily traffic:9,182 [as of 2012]
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]
Evaluation:Functionally obsolete [2]
Sufficiency rating:86.6
Recommended work:Widening of existing bridge or other major structure without deck rehabilitation or replacement [33]
Estimated cost of work:$3,901,000

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
November 201486.6Functionally obsoleteSatisfactorySatisfactorySatisfactory9182
November 201286.6Functionally obsoleteSatisfactorySatisfactorySatisfactory9182
November 201075.3Functionally obsoleteSatisfactorySatisfactoryFair8900
October 200875.3Functionally obsoleteSatisfactorySatisfactoryFair8900