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HWY BOSTON ST over TR AMTRAK & RED LINE

Map

Coordinates:
+42.32762, -71.05808
42°19'39" N, 71°03'29" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:HWY BOSTON ST over TR AMTRAK & RED LINE
Structure number:B161284VLMBTNBI
Location:.04 M.OF I93
Purpose:Carries highway and pedestrian walkway over railroad
Route classification:Minor Arterial (Urban) [16]
Length of largest span:72.5 ft. [22.1 m]
Total length:78.1 ft. [23.8 m]
Roadway width between curbs:40.0 ft. [12.2 m]
Deck width edge-to-edge:62.0 ft. [18.9 m]
Vertical clearance below bridge:15.1 ft. [4.6 m]
Skew angle:38°
Owner:Other State Agencies [21]
Year built:1977
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:MS 18 / HS 20 [5]
Main span material:Prestressed concrete [5]
Main span design:Box beam or girders - Multiple [05]
Deck type:Other [9]
Wearing surface:Bituminous [6]

Latest Available Inspection: December 2016

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:15,300 [as of 2012]
Truck traffic:6% of total traffic
Deck condition:Satisfactory [6 out of 9]
Superstructure condition:Satisfactory [6 out of 9]
Substructure condition:Satisfactory [6 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:Superior to present desirable criteria [9]
Scour condition:Bridge not over waterway. [N]
Operating rating:73.9 tons [67.2 metric tons]
Inventory rating:44.3 tons [40.3 metric tons]
Sufficiency rating:90.5
Recommended work:Widening of existing bridge or other major structure without deck rehabilitation or replacement [33]
Estimated cost of work:$373,000

Previous Inspections

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
December 201690.5FairSatisfactorySatisfactorySatisfactoryFO15300
September 201490.5FairSatisfactorySatisfactorySatisfactoryFO15300
December 201290.5FairSatisfactorySatisfactorySatisfactoryFO15300
August 201293.1FairFairGoodSatisfactoryFO8900
August 201093.1FairFairGoodSatisfactoryFO8900
July 200894.1FairSatisfactoryGoodSatisfactoryFO8900
July 200694.1FairSatisfactoryGoodSatisfactoryFO8900
July 200494.1FairSatisfactoryGoodSatisfactoryFO8900
July 200294.1FairSatisfactoryGoodSatisfactoryFO8900
August 200094.1FairSatisfactoryGoodSatisfactoryFO8900
August 199894.1FairSatisfactoryGoodSatisfactoryFO8900

Element Data

Source: National Bridge Elements dataset, 2016 edition. This feature is experimental.
ElementUnitsQuantity1. Good2. Fair3. Poor4. Serious
Deck
Reinforced Concrete Decksq. ft.11000