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HWY DORCHSTR AVE over COMB MBTA & RED LN

Map

Coordinates:
+42.32630, -71.05685
42°19'35" N, 71°03'25" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:HWY DORCHSTR AVE over COMB MBTA & RED LN
Structure number:B161294VMMBTNBI
Location:OVER RED LINE
Purpose:Carries highway and pedestrian walkway over railroad
Route classification:Other Principal Arterial (Urban) [14]
Length of largest span:89.9 ft. [27.4 m]
Total length:98.1 ft. [29.9 m]
Roadway width between curbs:40.0 ft. [12.2 m]
Deck width edge-to-edge:60.0 ft. [18.3 m]
Vertical clearance below bridge:16.1 ft. [4.9 m]
Skew angle:47°
Owner:Other State Agencies [21]
Year built:1924
Year reconstructed:1975
Historic significance:Historical significance is not determinable at this time [4]
Design load:M 18 / H 20 [4]
Main span material:Prestressed concrete [5]
Main span design:Box beam or girders - Multiple [05]
Deck type:Not applicable [N]
Wearing surface:Bituminous [6]

Latest Available Inspection: December 2016

Good/Fair/Poor Condition:Poor
Status:Open, no restriction [A]
Average daily traffic:11,800 [as of 2012]
Truck traffic:8% of total traffic
Deck condition:Poor [4 out of 9]
Superstructure condition:Poor [4 out of 9]
Substructure condition:Satisfactory [6 out of 9]
Structural appraisal:Meets minimum tolerable limits to be left in place as is [4]
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:Better than present minimum criteria [7]
Scour condition:Bridge not over waterway. [N]
Operating rating:64.2 tons [58.4 metric tons]
Inventory rating:52.1 tons [47.4 metric tons]
Sufficiency rating:60.1
Recommended work:Bridge rehabilitation because of general structure deterioration or inadequate strength. [35]
Estimated cost of work:$2,948,000

Previous Inspections

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
December 201660.1PoorPoorPoorSatisfactorySD11800
May 201560.1PoorPoorPoorSatisfactorySD11800
December 201260.1PoorPoorPoorSatisfactorySD11800
March 201261.8PoorPoorPoorSatisfactorySD19900
March 201164.0PoorFairPoorSatisfactorySD19900
March 201061.8PoorPoorPoorSatisfactorySD19900
March 200978.6PoorPoorFairSatisfactorySD19900
March 200878.6PoorPoorFairSatisfactorySD19900
March 200680.7FairFairFairSatisfactoryFO19900
March 200480.7FairFairFairSatisfactoryFO19900
July 200280.7FairFairFairSatisfactoryFO19900
July 200064.0PoorFairPoorSatisfactorySD19900