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I 93 RAMPS SN NS over RR MBTA BSG SPUR

Map

Coordinates:
+42.37722, -71.07500
42°22'38" N, 71°04'30" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:I 93 RAMPS SN NS over RR MBTA BSG SPUR
Structure number:B166059TYDOTNBI
Location:I93/US1 INTERCHANGE
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:147.0 ft. [44.8 m]
Total length:419.0 ft. [127.7 m]
Roadway width between curbs:44.0 ft. [13.4 m]
Deck width edge-to-edge:49.9 ft. [15.2 m]
Skew angle:99°
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]
Number of main spans:3
Main spans material:Steel continuous [4]
Main spans design:Box beam or girders - Multiple [05]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Latex Concrete or similar additive [3]

Latest Available Inspection: January 2016

Good/Fair/Poor Condition:Good
Status:Open, no restriction [A]
Average daily traffic:63,900 [as of 2012]
Truck traffic:2% of total traffic
Deck condition:Good [7 out of 9]
Superstructure condition:Good [7 out of 9]
Substructure condition:Good [7 out of 9]
Structural appraisal:Better than present minimum criteria [7]
Deck geometry appraisal:Superior to present desirable criteria [9]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Pier/abutment protection:Navigation protection not required [1]
Scour condition:Bridge not over waterway. [N]
Operating rating:92.6 tons [84.2 metric tons]
Inventory rating:55.4 tons [50.4 metric tons]
Sufficiency rating:85.0

Previous Inspections

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
January 201685.0GoodGoodGoodGood-63900
January 201485.0GoodGoodGoodGood-63900
January 201285.0GoodGoodGoodGood-639000
January 201085.0GoodGoodGoodGood-174630

Element Data

Source: National Bridge Elements dataset, 2016 edition. This feature is experimental.
ElementUnitsQuantity1. Good2. Fair3. Poor4. Serious
Superstructure
Steel Closed Web/Box Girderlinear ft.838836200
Steel Protective Coatingsq. ft.1,9981,998000
Deck
Reinforced Concrete Decksq. ft.19,86119,861000
Wearing Surfacessq. ft.19,86119,861000
Substructure
Reinforced Concrete Columneach44000
Reinforced Concrete Pier Caplinear ft.143865700
Joints
Assembly with Sealeach104505400
Bearings
Pot Bearingeach88000
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.8388182000
Other Material Bridge Raillinear ft.419419000