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HWY TRMNT-ARLNGT over RR AMTRAK/MBTA

Map

Coordinates:
+42.34765, -71.06868
42°20'52" N, 71°04'07" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
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:13.1 ft. [4.0 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 2016

Good/Fair/Poor Condition:Poor
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]
Sufficiency rating:61.4
Recommended work:Bridge rehabilitation because of general structure deterioration or inadequate strength. [35]
Estimated cost of work:$15,053,000

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
April 2016PoorSatisfactorySatisfactoryPoor3040061.4
April 2014PoorSatisfactorySatisfactoryPoor3040061.4
April 2012PoorGoodGoodPoor2730061.9
March 2010PoorGoodGoodPoor2170062.7

Element Data

Source: National Bridge Elements dataset, 2018 edition. This feature is experimental.
ElementUnitsQuantity1-Good2-Fair3-Poor4-Serious
Superstructure
Steel Girder/Beamlinear ft.6,4806,09039000
Steel Protective Coatingsq. ft.38,07335,1482,92500
Deck
Reinforced Concrete Decksq. ft.28,52628,526000
Wearing Surfacessq. ft.23,16622,91625000
Substructure
Reinforced Concrete Columneach45252000
Reinforced Concrete Pier Walllinear ft.6605877300
Reinforced Concrete Abutmentlinear ft.537532500
Reinforced Concrete Pier Caplinear ft.73460313100
Joints
Compression Jointlinear ft.615061500
Bearings
Movable Bearingeach1621352700
Steel Protective Coatingsq. ft.4864058100
Fixed Bearingeach1621382400
Steel Protective Coatingsq. ft.4864147200
Bridge Rail
Steel or Aluminum Bridge Raillinear ft.1,2731,270300