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HWY BOYLSTON ST over COMB AMTRAK/MBTA & ORNG

Map 

Coordinates:
+42.31702, -71.10437
42°19'01" N, 71°06'16" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.

Facts 

Name:HWY BOYLSTON ST over COMB AMTRAK/MBTA & ORNG
Structure number:B160974VEMBTNBI
Location:AT STONY BROOK SUBSTATION
Purpose:Carries highway and pedestrian walkway over railroad
Route classification:Collector (Urban) [17]
Length of largest span:62.0 ft. [18.9 m]
Total length:107.9 ft. [32.9 m]
Roadway width between curbs:35.1 ft. [10.7 m]
Deck width edge-to-edge:56.1 ft. [17.1 m]
Vertical clearance below bridge:15.1 ft. [4.6 m]
Skew angle:13°
Owner:Other State Agencies [21]
Year built:1981
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:Concrete continuous [2]
Main spans design:Frame [07]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Bituminous [6]

Latest Available Inspection: February 2016 

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:3,300 [as of 1997]
Truck traffic:7% of total traffic
Deck condition:Satisfactory [6 out of 9]
Superstructure condition:Satisfactory [6 out of 9]
Substructure condition:Good [7 out of 9]
Structural appraisal:Equal to present minimum criteria [6]
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]
Inventory rating:75.2 tons [68.4 metric tons]
Sufficiency rating:94.7
Recommended work:Widening of existing bridge or other major structure without deck rehabilitation or replacement [33]
Estimated cost of work:$1,150,000

Previous Inspections 

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
February 201694.7FairSatisfactorySatisfactoryGoodFO3300
April 201494.7FairSatisfactorySatisfactoryGoodFO3300
May 201394.7FairSatisfactorySatisfactoryGoodFO3300
May 201194.7GoodGoodGoodGoodFO3300
April 200994.7GoodGoodGoodGoodFO3300
March 200894.7GoodGoodGoodGoodFO3300
March 200694.7GoodGoodVery GoodVery GoodFO3300
March 200494.7GoodGoodVery GoodVery GoodFO3300
March 200294.7GoodGoodVery GoodVery GoodFO3300
April 200094.7GoodGoodVery GoodVery GoodFO3300