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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
Source: National Bridge Inventory
Information not verified. Use at your own risk.

Facts 

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 2014 

Status:Open, would be posted or closed except for temporary shoring [D]
Average daily traffic:40,000 [as of 2014]
Truck traffic:10% of total traffic
Deck condition:Satisfactory [6 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]
Evaluation:Structurally deficient [1]
Sufficiency rating:23.2
Recommended work:Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. [31]
Estimated cost of work:$23,855,000

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
August 201423.2Structurally deficientSatisfactorySeriousFair40000
August 201245.6Structurally deficientSatisfactoryPoorFair32100
August 201043.7Structurally deficientSatisfactoryPoorFair38400
August 200843.7Structurally deficientSatisfactoryPoorFair38400
August 200651.0Structurally deficientSatisfactoryPoorFair38400
July 200450.1Structurally deficientSatisfactoryPoorFair42000
July 200218.0Structurally deficientSatisfactorySeriousFair66000
November 200018.0Structurally deficientSatisfactoryPoorFair66000