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HWY GRANITE AVE over WATER NEPONSET RIVER

Map

Coordinates:
+42.27748, -71.05330
42°16'39" N, 71°03'12" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:HWY GRANITE AVE over WATER NEPONSET RIVER
Structure number:B160223A3DOTNBI
Old structure number:3A3054896000100 (from 1992 edition)
Location:MILTON TOWN LINE
Purpose:Carries highway and pedestrian walkway over waterway
Route classification:Other Principal Arterial (Urban) [14]
Length of largest span:65.0 ft. [19.8 m]
Total length:187.0 ft. [57.0 m]
Roadway width between curbs:47.9 ft. [14.6 m]
Deck width edge-to-edge:50.9 ft. [15.5 m]
Vertical clearance above deck:14.1 ft. [4.3 m]
Vertical clearance below bridge:3.3 ft. [1.0 m]
Owner:State Highway Agency [01]
Year built:1959
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:M 18 / H 20 [4]
Main span material:Steel [3]
Main span design:Movable - Bascule [16]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Other [9]

Latest Available Inspection: June 2017

Good/Fair/Poor Condition:Poor
Status:Posted for load [P]
Average daily traffic:40,000 [as of 2017]
Truck traffic:6% of total traffic
Deck condition:Fair [5 out of 9]
Superstructure condition:Poor [4 out of 9]
Substructure condition:Fair [5 out of 9]
Structural appraisal:Basically intolerable requiring high priority of replacement [2]
Deck geometry appraisal:Basically intolerable requiring high priority of replacement [2]
Water adequacy appraisal:Better than present minimum criteria [7]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Channel protection:Bank protection is being eroded. River control devices and/or embankment have major damage. Trees and rush restrict the channel. [5]
Pier/abutment protection:In place and functioning [2]
Scour condition:Bridge foundations determined to be stable for assessed or calculated scour conditions; field review indicates action is required. [4]
Sufficiency rating:6.0
Recommended work:Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. [31]
Estimated cost of work:$10,805,000

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
June 2017PoorFairPoorFair400006.0
June 2015PoorFairPoorFair400006.0
June 2013PoorFairPoorFair318006.0
June 2011PoorFairPoorFair360006.0
June 2009PoorFairPoorFair3600018.3
May 1999PoorPoorPoorSatisfactory3500016.3
May 1997FairFairFairGood3250057.2
December 1994FairFairFairGood2600047.8

Element Data

Source: National Bridge Elements dataset, 2018 edition. This feature is experimental.
ElementUnitsQuantity1-Good2-Fair3-Poor4-Serious
Superstructure
Steel Girder/Beamlinear ft.1,42301,0913320
Steel Protective Coatingsq. ft.12,2405,6501,5002,2902,800
Steel Stringerlinear ft.1,16609062600
Steel Protective Coatingsq. ft.5,6780005,678
Deck
Reinforced Concrete Decksq. ft.7,1312,3574,742320
Superstructure
Steel Floor Beamlinear ft.33802111270
Steel Protective Coatingsq. ft.3,2990003,299
Substructure
Masonry Pier Walllinear ft.2059201130
Other Material Abutmentlinear ft.1324952310
Reinforced Concrete Pier Caplinear ft.2058993230
Deck
Open Grid Decksq. ft.3,1093,109000
Joints
Compression Jointlinear ft.48182442
Open Jointlinear ft.96722400
Bearings
Movable Bearingeach2002000
Steel Protective Coatingsq. ft.62003230
Fixed Bearingeach4804800
Steel Protective Coatingsq. ft.99003960
Other Bearingeach60600
Steel Protective Coatingsq. ft.150078
Bridge Rail
Steel or Aluminum Bridge Raillinear ft.40415025400
Steel Protective Coatingsq. ft.4,969003,7271,242