HWY N WSHNGTN ST over WATER CHARLES RIVER

Map 

Facts 

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]

2010 Inspection 

Status:	Open, would be posted or closed except for temporary shoring [D]
Average daily traffic:	38,400 [as of 2008]
Truck traffic:	10% of total traffic
Deck condition:	Satisfactory [6 out of 9]
Superstructure condition:	Poor [4 out of 9]
Substructure condition:	Fair [5 out of 9]
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 with "unknown" foundation that has not been evaluated for scour. [U]
Operating rating:	38.8 tons [35.3 metric tons]
Inventory rating:	23.2 tons [21.1 metric tons]
Evaluation:	Structurally deficient [1]
Sufficiency rating:	48.1
Recommended work:	Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. [31]
Estimated cost of work:	$26,105,000

2000 Inspection 

Status:	Posted for load [P]
Average daily traffic:	58,200 [as of 1998]
Truck traffic:	10% of total traffic
Deck condition:	Satisfactory [6 out of 9]
Superstructure condition:	Fair [5 out of 9]
Substructure condition:	Fair [5 out of 9]
Channel protection:	Bank protection is in need of minor repairs. River control devices and embankment protection have a little minor damage. Banks and/or channel have minor amounts of drift. [7]
Scour condition:	Bridge with "unknown" foundation that has not been evaluated for scour. [U]
Operating rating:	29.0 tons [26.4 metric tons]
Inventory rating:	5.9 tons [5.4 metric tons]
Evaluation:	Functionally obsolete [2]
Sufficiency rating:	24.0
Recommended work:	Bridge rehabilitation because of general structure deterioration or inadequate strength. [35]
Estimated cost of work:	$9,658,000

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