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HWY N WSHNGTN ST over WATER CHARLES RIVER

Map

Coordinates:
+42.36994, -71.06076
42°22'12" N, 71°03'39" 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:B1601637HMUNNBI
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:74.2 ft. [22.6 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]
Design load:MS 18 / HS 20 [5]
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:Fair [5 out of 9]
Structural appraisal:Basically intolerable requiring high priority of corrrective action [3]
Deck geometry appraisal:Meets minimum tolerable limits to be left in place as is [4]
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]
Operating rating:41.7 tons [37.9 metric tons]
Inventory rating:25.0 tons [22.7 metric tons]
Sufficiency rating:22.2
Recommended work:Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. [31]
Estimated cost of work:$35,471,000

Previous Inspections

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
August 201622.2PoorFairSeriousFairSD43300
August 201423.2PoorSatisfactorySeriousFairSD40000
August 201245.6PoorSatisfactoryPoorFairSD32100
August 201043.7PoorSatisfactoryPoorFairSD38400
August 200843.7PoorSatisfactoryPoorFairSD38400
August 200651.0PoorSatisfactoryPoorFairSD38400
July 200450.1PoorSatisfactoryPoorFairSD42000
July 200218.0PoorSatisfactorySeriousFairSD66000
November 200018.0PoorSatisfactoryPoorFairSD66000

Element Data

Source: National Bridge Elements dataset, 2016 edition. This feature is experimental.
ElementUnitsQuantity1. Good2. Fair3. Poor4. Serious
Superstructure
Steel Girder/Beamlinear ft.2,47901,73572915
Steel Protective Coatingsq. ft.1,9981,998000
Steel Stringerlinear ft.5,45003,7991,343308
Steel Protective Coatingsq. ft.1,9981,998000
Deck
Reinforced Concrete Decksq. ft.43,10039,7333,36700
Wearing Surfacessq. ft.34,00034,000000
Superstructure
Steel Floor Beamlinear ft.2,79201,309590893
Steel Protective Coatingsq. ft.1,9981,998000
Substructure
Masonry Pier Walllinear ft.5200049426
Masonry Abutmentlinear ft.104001040
Joints
Other Jointlinear ft.48002400240
Bearings
Movable Bearingeach30201000
Steel Protective Coatingsq. ft.999999000
Fixed Bearingeach30201000
Steel Protective Coatingsq. ft.999999000
Bridge Rail
Steel or Aluminum Bridge Raillinear ft.85007644343
Steel Protective Coatingsq. ft.999999000