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HWY N WSHNGTN ST over WATER CHARLES RIVER

Map

Coordinates:
+42.36948, -71.06031
42°22'10" N, 71°03'37" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:HWY N WSHNGTN ST over WATER CHARLES RIVER
Structure number:B1601637MMUNNBI
Old structure number:37MMUN896C16100 (from 1992 edition)
Location:AT CHAS RIV NR BOS GARDEN
Purpose:Carries highway and pedestrian walkway over waterway
Route classification:Other Principal Arterial (Urban) [14]
Length of largest span:85.0 ft. [25.9 m]
Total length:423.9 ft. [129.2 m]
Roadway width between curbs:80.1 ft. [24.4 m]
Deck width edge-to-edge:101.1 ft. [30.8 m]
Owner:City or Municipal Highway Agency [04]
Year reconstructed:1956
Historic significance:Bridge is eligible for the National Register of Historic Places [2]
Number of main spans:5
Main spans material:Steel [3]
Main spans design:Girder and floorbeam system [03]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Bituminous [6]

Latest Available Inspection: August 2016

Good/Fair/Poor Condition:Poor
Status:Open, would be posted or closed except for temporary shoring [D]
Average daily traffic:43,300 [as of 2016]
Truck traffic:10% of total traffic
Deck condition:Fair [5 out of 9]
Superstructure condition:Serious [3 out of 9]
Substructure condition:Poor [4 out of 9]
Structural appraisal:Basically intolerable requiring high priority of corrrective action [3]
Deck geometry appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Water adequacy appraisal:Superior to present desirable criteria [9]
Roadway alignment appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Channel protection:Bank protection is being eroded. River control devices and/or embankment have major damage. Trees and rush restrict the channel. [5]
Scour condition:Bridge is scour critical; bridge foundations determined to be unstable. [3]
Sufficiency rating:25.6
Recommended work:Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. [31]
Estimated cost of work:$33,692,000

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
August 2016PoorFairSeriousPoor4330025.6
August 2014PoorSatisfactorySeriousPoor4000026.6
August 2012PoorSatisfactoryPoorPoor3210049.9
August 2010PoorSatisfactoryPoorFair3840048.1
August 2008PoorSatisfactoryPoorFair3840048.1
August 2006PoorSatisfactoryPoorFair3840058.1
July 2004PoorSatisfactoryPoorFair6600052.0
July 2002PoorSatisfactoryPoorFair6600024.0
November 2000PoorSatisfactoryPoorFair6600024.0
April 1999FairGoodSatisfactoryFair5820018.3
November 1998FairSatisfactoryFairFair5820024.0
May 1996FairSatisfactoryFairSatisfactory1990060.3

Element Data

Source: National Bridge Elements dataset, 2018 edition. This feature is experimental.
ElementUnitsQuantity1-Good2-Fair3-Poor4-Serious
Superstructure
Steel Girder/Beamlinear ft.2,48001,7367440
Steel Protective Coatingsq. ft.1,9981,998000
Steel Stringerlinear ft.5,45003,1331,1731,144
Steel Protective Coatingsq. ft.1,9981,998000
Deck
Reinforced Concrete Decksq. ft.43,10934,2398,87000
Wearing Surfacessq. ft.34,00334,003000
Superstructure
Steel Floor Beamlinear ft.2,79201,540369883
Steel Protective Coatingsq. ft.1,9981,998000
Substructure
Masonry Pier Walllinear ft.5180044078
Masonry Abutmentlinear ft.105001005
Joints
Compression Jointlinear ft.8208200
Other Jointlinear ft.400000400
Bearings
Movable Bearingeach3003000
Steel Protective Coatingsq. ft.999999000
Fixed Bearingeach3002901
Steel Protective Coatingsq. ft.999999000
Bridge Rail
Steel or Aluminum Bridge Raillinear ft.85086722042
Steel Protective Coatingsq. ft.999999000