HWY ELIOT BRIDGE over WATER CHARLES RIVER

Map 

Facts 

Name:	HWY ELIOT BRIDGE over WATER CHARLES RIVER
Structure number:	B162464EVDOTNBI
Old structure number:	MDC896043100 (from 1992 edition)
Location:	.4 MI NW OF HARVARD ST
Purpose:	Carries highway and pedestrian walkway over waterway
Route classification:	Other Principal Arterial (Urban) [14]
Length of largest span:	100.1 ft. [30.5 m]
Total length:	299.9 ft. [91.4 m]
Roadway width between curbs:	64.0 ft. [19.5 m]
Deck width edge-to-edge:	84.0 ft. [25.6 m]
Vertical clearance below bridge:	14.1 ft. [4.3 m]
Owner:	State Highway Agency [01]
Year built:	1950
Historic significance:	Bridge is on the National Register of Historic Places [1]
Design load:	M 13.5 / H 15 [2]
Number of main spans:	3
Main spans material:	Steel [3]
Main spans design:	Truss - Deck [09]
Deck type:	Concrete Cast-in-Place [1]
Wearing surface:	Bituminous [6]

2010 Inspection 

Status:	Posted for other load-capacity restriction [R]
Average daily traffic:	70,100 [as of 2007]
Truck traffic:	1% of total traffic
Deck condition:	Satisfactory [6 out of 9]
Superstructure condition:	Satisfactory [6 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 foundations determined to be stable for assessed or calculated scour condition. [5]
Operating rating:	44.7 tons [40.6 metric tons]
Inventory rating:	19.7 tons [17.9 metric tons]
Sufficiency rating:	55.7
Recommended work:	Bridge rehabilitation because of general structure deterioration or inadequate strength. [35]
Estimated cost of work:	$9,797,000

2000 Inspection 

Status:	Posted for load [P]
Average daily traffic:	51,000 [as of 1997]
Truck traffic:	1% of total traffic
Deck condition:	Satisfactory [6 out of 9]
Superstructure condition:	Fair [5 out of 9]
Substructure condition:	Good [7 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:	Scour calculation/evaluation has not been made. [6]
Operating rating:	44.7 tons [40.6 metric tons]
Inventory rating:	19.7 tons [17.9 metric tons]
Sufficiency rating:	58.5
Recommended work:	Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. [31]
Estimated cost of work:	$9,450,000

1992 Inspection 

Status:	Posted for load [P]
Average daily traffic:	42,000 [as of 1988]
Deck condition:	Serious [3 out of 9]
Superstructure condition:	Serious [3 out of 9]
Substructure condition:	Good [7 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:	Scour calculation/evaluation has not been made. [6]
Operating rating:	45.1 tons [41.0 metric tons]
Inventory rating:	19.4 tons [17.6 metric tons]
Evaluation:	Structurally deficient [1]
Sufficiency rating:	21.6
Recommended work:	Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. [31]
Estimated cost of work:	$9,450,000

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