HWY HEATH ST over COMB AMTRAK/MBTA & ORNG

Map 

Facts 

Name:	HWY HEATH ST over COMB AMTRAK/MBTA & ORNG
Structure number:	B160944VBMBTNBI
Location:	BTWN TERRACE & COLUMBUS
Purpose:	Carries highway and pedestrian walkway over railroad
Route classification:	Minor Arterial (Urban) [16]
Length of largest span:	50.9 ft. [15.5 m]
Total length:	86.9 ft. [26.5 m]
Roadway width between curbs:	36.1 ft. [11.0 m]
Deck width edge-to-edge:	51.8 ft. [15.8 m]
Vertical clearance below bridge:	15.7 ft. [4.8 m]
Skew angle:	4°
Owner:	Other State Agencies [21]
Year built:	1981
Historic significance:	Bridge is not eligible for the National Register of Historic Places [5]
Design load:	MS 18 / HS 20 [5]
Number of main spans:	2
Main spans material:	Concrete continuous [2]
Main spans design:	Frame [07]
Deck type:	Concrete Cast-in-Place [1]
Wearing surface:	Bituminous [6]

2010 Inspection 

Status:	Open, no restriction [A]
Average daily traffic:	8,900 [as of 1997]
Truck traffic:	8% of total traffic
Deck condition:	Good [7 out of 9]
Superstructure condition:	Good [7 out of 9]
Substructure condition:	Good [7 out of 9]
Scour condition:	Bridge not over waterway. [N]
Operating rating:	49.0 tons [44.5 metric tons]
Inventory rating:	36.0 tons [32.7 metric tons]
Evaluation:	Functionally obsolete [2]
Sufficiency rating:	93.1
Recommended work:	Widening of existing bridge or other major structure without deck rehabilitation or replacement [33]
Estimated cost of work:	$649,000

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