HWY BOYLSTON ST over WATER MUDDY RIVER

Map 

Facts 

Name:	HWY BOYLSTON ST over WATER MUDDY RIVER
Structure number:	B161884FCDOTNBI
Old structure number:	MDC896098100 (from 1992 edition)
Location:	.2 MI W OF MASS AVE
Purpose:	Carries highway and pedestrian walkway over waterway
Route classification:	Other Principal Arterial (Urban) [14]
Length of largest span:	63.0 ft. [19.2 m]
Total length:	63.0 ft. [19.2 m]
Roadway width between curbs:	68.9 ft. [21.0 m]
Deck width edge-to-edge:	99.7 ft. [30.4 m]
Skew angle:	15°
Owner:	State Highway Agency [01]
Year built:	1881
Historic significance:	Bridge is on the National Register of Historic Places [1]
Main span material:	Masonry [8]
Main span design:	Arch - Deck [11]
Deck type:	Not applicable [N]

Latest Available Inspection: November 2015 

Good/Fair/Poor Condition:	Fair
Status:	Open, no restriction [A]
Average daily traffic:	27,400 [as of 2015]
Truck traffic:	6% of total traffic
Superstructure condition:	Fair [5 out of 9]
Substructure condition:	Fair [5 out of 9]
Structural appraisal:	Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Deck geometry appraisal:	Superior to present desirable criteria [9]
Water adequacy appraisal:	Better than present minimum criteria [7]
Roadway alignment appraisal:	Meets minimum tolerable limits to be left in place as is [4]
Channel protection:	Bank is beginning to slump. River control devices and embankment protection have widespread minor damage. There is minor stream bed movement evident. Debris is restricting the channel slightly. [6]
Scour condition:	Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Operating rating:	48.2 tons [43.8 metric tons]
Inventory rating:	48.2 tons [43.8 metric tons]
Sufficiency rating:	81.0
Recommended work:	Bridge rehabilitation because of general structure deterioration or inadequate strength. [35]
Estimated cost of work:	$3,424,000

Previous Inspections 

Date	Suff. Rating	Condition	Deck	Superstructure	Substructure	SD/FO	ADT
November 2015	81.0	Fair	-	Fair	Fair	-	27400
November 2013	79.4	Fair	-	Fair	Fair	-	41300
November 2011	79.4	Fair	-	Fair	Fair	-	41300
November 2009	79.5	Fair	-	Fair	Fair	-	41000
November 1999	93.4	Fair	-	Satisfactory	Good	-	27000
November 1995	85.0	Good	-	Good	Good	-	40473
November 1993	85.5	Fair	-	Satisfactory	Satisfactory	-	34393
November 1991	84.4	Fair	-	Satisfactory	Satisfactory	-	34920