I 93 SB BT 38-46 over TR ORANGE LINE

Map 

Facts 

Name:	I 93 SB BT 38-46 over TR ORANGE LINE
Structure number:	B162813EBDOTNBI
Location:	.7 MI N OF JCT I93&US1
Purpose:	Carries highway over railroad
Route classification:	Principal Arterial - Interstate (Urban) [11]
Length of largest span:	82.0 ft. [25.0 m]
Total length:	651.9 ft. [198.7 m]
Roadway width between curbs:	62.0 ft. [18.9 m]
Deck width edge-to-edge:	68.9 ft. [21.0 m]
Vertical clearance above deck:	16.4 ft. [5.0 m]
Vertical clearance below bridge:	32.2 ft. [9.8 m]
Owner:	State Highway Agency [01]
Year built:	1970
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:	8
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, no restriction [A]
Average daily traffic:	72,100 [as of 2008]
Truck traffic:	6% of total traffic
Deck condition:	Satisfactory [6 out of 9]
Superstructure condition:	Satisfactory [6 out of 9]
Substructure condition:	Fair [5 out of 9]
Scour condition:	Bridge not over waterway. [N]
Operating rating:	48.5 tons [44.1 metric tons]
Inventory rating:	35.6 tons [32.4 metric tons]
Sufficiency rating:	78.1
Recommended work:	Bridge rehabilitation because of general structure deterioration or inadequate strength. [35]
Estimated cost of work:	$17,384,000

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