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HWY N WSHNGTN ST over WATER CHARLES RIVER

Map

Coordinates:
+42.37001, -71.06063
42°22'12" N, 71°03'38" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.

Facts

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]
Operating rating:38.6 tons [35.1 metric tons]
Inventory rating:23.1 tons [21.0 metric tons]
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

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
August 20168.5PoorSatisfactorySeriousPoorSD43300
August 20148.5PoorSatisfactorySeriousPoorSD40000
August 20128.5PoorSatisfactorySeriousPoorSD32100
August 20106.0PoorGoodCriticalFairSD38400
August 20088.5PoorGoodSeriousFairSD38400
August 200638.9PoorGoodPoorFairSD38400
July 200436.5PoorGoodPoorFairSD66000
August 20026.0PoorGoodCriticalFairSD66000
April 200118.3FairGoodFairFairFO58200
April 199918.3FairGoodSatisfactoryFairFO58200