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I 93 RAMP N-S over I 93 RAMP LC-S TUNNEL

Suffolk County, Massachusetts

Map 

Coordinates:
+42.36639, -71.06500
42°21'59" N, 71°03'54" W
Source: National Bridge Inventory (2010 edition)
Information not verified. Use at your own risk.

Facts 

Name:I 93 RAMP N-S over I 93 RAMP LC-S TUNNEL
Structure number:B166206JLDOTNBI
Location:LEVERETT CIR-UNIT 1
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:93.8 ft. [28.6 m]
Total length:97.1 ft. [29.6 m]
Roadway width between curbs:36.1 ft. [11.0 m]
Deck width edge-to-edge:40.0 ft. [12.2 m]
Skew angle:23°
Owner:State Highway Agency [01]
Year built:1999
Historic significance:Historical significance is not determinable at this time [4]
Design load:MS 18 / HS 20 [5]
Main span material:Prestressed concrete [5]
Main span design:Stringer/Multi-beam or girder [02]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Latex Concrete or similar additive [3]

2010 Inspection 

Status:Open, no restriction [A]
Average daily traffic:45,981 [as of 1997]
Truck traffic:3% of total traffic
Deck condition:Very Good [8 out of 9]
Superstructure condition:Very Good [8 out of 9]
Substructure condition:Very Good [8 out of 9]
Pier/abutment protection:Navigation protection not required [1]
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:85.1

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