US 20 EB/WESTON ST over I 95 /ST128


+42.37006, -71.26931
42°22'12" N, 71°16'10" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:US 20 EB/WESTON ST over I 95 /ST128
Structure number:W040332E4DOTNBI
Location:RT 20 EB AT RT 128
Purpose:Carries highway and pedestrian walkway over highway
Route classification:Other Principal Arterial (Urban) [14]
Length of largest span:91.9 ft. [28.0 m]
Total length:248.0 ft. [75.6 m]
Roadway width between curbs:40.0 ft. [12.2 m]
Deck width edge-to-edge:50.2 ft. [15.3 m]
Vertical clearance above deck:17.4 ft. [5.3 m]
Vertical clearance below bridge:13.1 ft. [4.0 m]
Skew angle:28°
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:4
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:29,250 [as of 2014]
Truck traffic:9% of total traffic
Deck condition:Fair [5 out of 9]
Superstructure condition:Fair [5 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:Better than present minimum criteria [7]
Underclearances appraisal:Meets minimum tolerable limits to be left in place as is [4]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Scour condition:Bridge not over waterway. [N]
Sufficiency rating:74.7
Recommended work:Bridge rehabilitation because of general structure deterioration or inadequate strength. [35]
Estimated cost of work:$5,881,000

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
May 2018FairFairFairFair2925074.7
May 2016FairFairFairFair2925074.7
May 2014FairFairFairSatisfactory2925074.7
May 2012FairFairFairSatisfactory2925074.7
May 2010FairFairFairGood2790074.7
May 2008FairFairFairGood2690074.7

Element Data

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.
Steel Girder/Beamlinear ft.1,9001,6651373365
Steel Protective Coatingsq. ft.19,1507,8909,1882,0720
Reinforced Concrete Decksq. ft.12,49011,5613955340
Wearing Surfacessq. ft.10,0509,94310520
Reinforced Concrete Columneach90351
Reinforced Concrete Abutmentlinear ft.115476710
Reinforced Concrete Pier Caplinear ft.262711087211
Compression Jointlinear ft.113011300
Other Jointlinear ft.113011300
Movable Bearingeach3003000
Steel Protective Coatingsq. ft.7307300
Fixed Bearingeach2202200
Steel Protective Coatingsq. ft.4004000
Bridge Rail
Steel or Aluminum Bridge Raillinear ft.502501100