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HWY WASHINGTN ST over COMB I 90 & AMTRAK/MBTA

Map

Coordinates:
+42.34694, -71.06500
42°20'49" N, 71°03'54" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:HWY WASHINGTN ST over COMB I 90 & AMTRAK/MBTA
Structure number:B160794TGDOTNBI
Location:.16 KM W. I 93 S71
Purpose:Carries highway and pedestrian walkway over highway and railroad
Route classification:Other Principal Arterial (Urban) [14]
Tolls:Yes, on toll road [2]
Length of largest span:55.1 ft. [16.8 m]
Total length:195.9 ft. [59.7 m]
Roadway width between curbs:47.9 ft. [14.6 m]
Deck width edge-to-edge:66.3 ft. [20.2 m]
Vertical clearance below bridge:14.1 ft. [4.3 m]
Owner:State Highway Agency [01]
Year built:1965
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:4
Main spans material:Steel [3]
Main spans design:Stringer/Multi-beam or girder [02]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Monolithic Concrete (concurrently placed with structural deck) [1]

Latest Available Inspection: October 2015

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:8,300 [as of 2013]
Truck traffic:11% of total traffic
Deck condition:Good [7 out of 9]
Superstructure condition:Satisfactory [6 out of 9]
Substructure condition:Fair [5 out of 9]
Structural appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Deck geometry appraisal:Basically intolerable requiring high priority of replacement [2]
Underclearances appraisal:Basically intolerable requiring high priority of corrrective action [3]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Scour condition:Bridge not over waterway. [N]
Operating rating:61.2 tons [55.6 metric tons]
Inventory rating:36.6 tons [33.3 metric tons]
Sufficiency rating:60.7
Recommended work:Bridge rehabilitation because of general structure deterioration or inadequate strength. [35]
Estimated cost of work:$6,824,000

Previous Inspections

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
October 201560.7FairGoodSatisfactoryFairFO8300
October 201360.7FairGoodSatisfactoryFairFO8300
August 201162.6FairGoodSatisfactoryFairFO8900
November 201062.6FairVery GoodSatisfactoryFairFO8900
November 200862.6FairVery GoodSatisfactoryFairFO8900

Element Data

Source: National Bridge Elements dataset, 2016 edition. This feature is experimental.
ElementUnitsQuantity1. Good2. Fair3. Poor4. Serious
Superstructure
Steel Girder/Beamlinear ft.1,8681,288482980
Steel Protective Coatingsq. ft.1,9981,998000
Deck
Reinforced Concrete Decksq. ft.12,80012,800000
Substructure
Reinforced Concrete Columneach44000
Reinforced Concrete Pier Walllinear ft.442211110
Masonry Pier Walllinear ft.70353500
Reinforced Concrete Abutmentlinear ft.7467700
Masonry Abutmentlinear ft.65323300
Reinforced Concrete Pier Caplinear ft.1356727410
Joints
Strip Seal Jointlinear ft.9696000
Bearings
Elastomeric Bearingeach6058200
Fixed Bearingeach2017300
Steel Protective Coatingsq. ft.999999000
Bridge Rail
Steel or Aluminum Bridge Raillinear ft.400400000
Steel Protective Coatingsq. ft.999999000