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HWY TRMNT-ARLNGT over RR AMTRAK/MBTA

Map 

Coordinates:
+42.34722, -71.06889
42°20'50" N, 71°04'08" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.

Facts 

Name:HWY TRMNT-ARLNGT over RR AMTRAK/MBTA
Structure number:B160813HPDOT634
Location:.16 KM S OF I90
Purpose:Carries highway and pedestrian walkway over railroad
Route classification:Other Principal Arterial (Urban) [14]
Length of largest span:44.0 ft. [13.4 m]
Total length:74.2 ft. [22.6 m]
Roadway width between curbs:60.4 ft. [18.4 m]
Deck width edge-to-edge:400.0 ft. [121.9 m]
Vertical clearance below bridge:16.4 ft. [5.0 m]
Skew angle:35°
Owner:State Highway Agency [01]
Year built:1979
Historic significance:Historical significance is not determinable at this time [4]
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:Bituminous [6]

Latest Available Inspection: April 2014 

Status:Open, no restriction [A]
Average daily traffic:30,400 [as of 2014]
Truck traffic:7% of total traffic
Deck condition:Satisfactory [6 out of 9]
Superstructure condition:Satisfactory [6 out of 9]
Substructure condition:Poor [4 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:Equal to present minimum criteria [6]
Scour condition:Bridge not over waterway. [N]
Operating rating:53.0 tons [48.2 metric tons]
Inventory rating:37.4 tons [34.0 metric tons]
Evaluation:Structurally deficient [1]
Sufficiency rating:61.4
Recommended work:Bridge rehabilitation because of general structure deterioration or inadequate strength. [35]
Estimated cost of work:$10,124,000

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
April 201461.4Structurally deficientSatisfactorySatisfactoryPoor30400
April 201261.9Structurally deficientGoodGoodPoor27300
March 201062.7Structurally deficientGoodGoodPoor21700