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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
Source: National Bridge Inventory
Information not verified. Use at your own risk.

Facts 

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: May 2015 

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]
Evaluation:Structurally deficient [1]
Sufficiency rating:60.1
Recommended work:Bridge rehabilitation because of general structure deterioration or inadequate strength. [35]
Estimated cost of work:$3,092,000

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
May 201560.1Structurally deficientPoorPoorSatisfactory11800
December 201260.1Structurally deficientPoorPoorSatisfactory11800
March 201261.8Structurally deficientPoorPoorSatisfactory19900
March 201164.0Structurally deficientFairPoorSatisfactory19900
March 201061.8Structurally deficientPoorPoorSatisfactory19900
March 200978.6Structurally deficientPoorFairSatisfactory19900
March 200878.6Structurally deficientPoorFairSatisfactory19900
March 200680.7Functionally obsoleteFairFairSatisfactory19900
March 200480.7Functionally obsoleteFairFairSatisfactory19900
July 200280.7Functionally obsoleteFairFairSatisfactory19900
July 200064.0Structurally deficientFairPoorSatisfactory19900