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US 20 WB/WESTON ST over I 95 /ST128

Map

Coordinates:
+42.37252, -71.26883
42°22'21" N, 71°16'08" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:US 20 WB/WESTON ST over I 95 /ST128
Structure number:W040322E3DOTNBI
Location:RT 20 WB AT RT 128
Purpose:Carries highway and pedestrian walkway over highway
Route classification:Other Principal Arterial (Urban) [14]
Length of largest span:86.0 ft. [26.2 m]
Total length:245.1 ft. [74.7 m]
Roadway width between curbs:36.1 ft. [11.0 m]
Deck width edge-to-edge:46.3 ft. [14.1 m]
Vertical clearance above deck:19.4 ft. [5.9 m]
Vertical clearance below bridge:13.1 ft. [4.0 m]
Skew angle:17°
Owner:State Highway Agency [01]
Year built:1960
Historic significance:Bridge is possibly eligible for the National Register of Historic Places [3]
Design load:M 18 / H 20 [4]
Number of main spans:2
Main spans material:Steel continuous [4]
Main spans design:Stringer/Multi-beam or girder [02]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Bituminous [6]

Latest Available Inspection: May 2018

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:27,600 [as of 2016]
Truck traffic:13% of total traffic
Deck condition:Fair [5 out of 9]
Superstructure condition:Good [7 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:Meets minimum tolerable limits to be left in place as is [4]
Underclearances appraisal:Meets minimum tolerable limits to be left in place as is [4]
Roadway alignment appraisal:Better than present minimum criteria [7]
Scour condition:Bridge not over waterway. [N]
Sufficiency rating:78.1
Recommended work:Bridge rehabilitation because of general structure deterioration or inadequate strength. [35]
Estimated cost of work:$5,348,000

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
May 2018FairFairGoodFair2760078.1
May 2016FairFairGoodFair2760078.1
May 2014FairFairGoodFair2760078.1
May 2012FairFairGoodFair3160078.1
May 2010FairFairGoodSatisfactory3130089.1
May 2008FairFairGoodSatisfactory3100089.1

Element Data

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.
ElementUnitsQuantity1-Good2-Fair3-Poor4-Serious
Superstructure
Steel Girder/Beamlinear ft.1,8251,70012500
Steel Protective Coatingsq. ft.15,9906,3908,0001,6000
Deck
Reinforced Concrete Decksq. ft.12,65011,1201,2702600
Wearing Surfacessq. ft.9,0508,0409101000
Substructure
Reinforced Concrete Columneach90450
Reinforced Concrete Abutmentlinear ft.1448528310
Reinforced Concrete Pier Caplinear ft.1580130280
Joints
Compression Jointlinear ft.106053053
Bearings
Movable Bearingeach3203200
Steel Protective Coatingsq. ft.100050500
Fixed Bearingeach2402400
Steel Protective Coatingsq. ft.75037380
Bridge Rail
Steel or Aluminum Bridge Raillinear ft.5024890130
Steel Protective Coatingsq. ft.1,5001,500000