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HWY N WSHNGTN ST over WATER CHARLES RIVER

Map

Coordinates:
+42.36873, -71.05980
42°22'07" N, 71°03'35" 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:B1601637KMUNNBI
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:119.1 ft. [36.3 m]
Total length:241.2 ft. [73.5 m]
Roadway width between curbs:65.9 ft. [20.1 m]
Deck width edge-to-edge:101.1 ft. [30.8 m]
Vertical clearance above deck:15.7 ft. [4.8 m]
Vertical clearance below bridge:23.0 ft. [7.0 m]
Owner:City or Municipal Highway Agency [04]
Year reconstructed:1956
Historic significance:Bridge is eligible for the National Register of Historic Places [2]
Design load:MS 18 / HS 20 [5]
Number of main spans:2
Main spans material:Steel continuous [4]
Main spans design:Truss - Thru [10]
Deck type:Open Grating [3]
Wearing surface:Other [9]

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:Satisfactory [6 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:Basically intolerable requiring high priority of replacement [2]
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]
Pier/abutment protection:In place and functioning [2]
Scour condition:Bridge is scour critical; bridge foundations determined to be unstable. [3]
Sufficiency rating:8.5
Recommended work:Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. [31]
Estimated cost of work:$23,095,000

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
August 2016PoorSatisfactorySeriousPoor433008.5
August 2014PoorSatisfactorySeriousPoor400008.5
August 2012PoorSatisfactorySeriousPoor321008.5
August 2010PoorGoodCriticalFair384006.0
August 2008PoorGoodSeriousFair384008.5
August 2006PoorGoodPoorFair3840038.9
July 2004PoorGoodPoorFair6600036.5
August 2002PoorGoodCriticalFair660006.0
April 2001FairGoodFairFair5820018.3
April 1999FairGoodSatisfactoryFair5820018.3

Element Data

Source: National Bridge Elements dataset, 2018 edition. This feature is experimental.
ElementUnitsQuantity1-Good2-Fair3-Poor4-Serious
Superstructure
Steel Stringerlinear ft.4,2491,0626372,125425
Steel Protective Coatingsq. ft.999999000
Steel Trusslinear ft.96505793860
Steel Protective Coatingsq. ft.999999000
Steel Floor Beamlinear ft.1,168116117701234
Steel Protective Coatingsq. ft.999999000
Substructure
Masonry Pier Walllinear ft.30502021966
Deck
Open Grid Decksq. ft.18,514018,51400
Steel Protective Coatingsq. ft.1,9981,998000
Concrete Filled Grid Decksq. ft.4,30604,30600
Steel Protective Coatingsq. ft.999999000
Joints
Other Jointlinear ft.161000161
Bearings
Movable Bearingeach80008
Steel Protective Coatingsq. ft.999999000
Fixed Bearingeach7807008
Steel Protective Coatingsq. ft.999999000
Bridge Rail
Steel or Aluminum Bridge Raillinear ft.1,44701,44700
Steel Protective Coatingsq. ft.999999000