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HWY BOYLSTON ST over COMB AMTRAK/MBTA & ORNG

Map

Coordinates:
+42.31703, -71.10431
42°19'01" N, 71°06'16" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
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:13.1 ft. [4.0 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]
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

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
February 2016FairSatisfactorySatisfactoryGood330094.7
April 2014FairSatisfactorySatisfactoryGood330094.7
May 2013FairSatisfactorySatisfactoryGood330094.7
May 2011GoodGoodGoodGood330094.7
April 2009GoodGoodGoodGood330094.7
March 2008GoodGoodGoodGood330094.7
March 2006GoodGoodVery GoodVery Good330094.7
March 2004GoodGoodVery GoodVery Good330094.7
March 2002GoodGoodVery GoodVery Good330094.7
April 2000GoodGoodVery GoodVery Good330094.7

Element Data

Source: National Bridge Elements dataset, 2018 edition. This feature is experimental.
ElementUnitsQuantity1-Good2-Fair3-Poor4-Serious
Deck
Reinforced Concrete Decksq. ft.11000