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I 93 RAMP S-N over RR MBTA

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:I 93 RAMP S-N over RR MBTA
Structure number:B166076JNDOTNBI
Location:LEVERETT CIR-UNIT 2
Purpose:Carries highway over railroad
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:154.2 ft. [47.0 m]
Total length:666.0 ft. [203.0 m]
Roadway width between curbs:29.5 ft. [9.0 m]
Deck width edge-to-edge:36.1 ft. [11.0 m]
Vertical clearance below bridge:17.4 ft. [5.3 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 22.5 / HS 25 [9]
Number of main spans:5
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: July 2016

Good/Fair/Poor Condition:Good
Status:Open, no restriction [A]
Average daily traffic:38,224 [as of 2016]
Truck traffic:5% 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:Meets minimum tolerable limits to be left in place as is [4]
Underclearances appraisal:Basically intolerable requiring high priority of corrrective action [3]
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:92.1 tons [83.7 metric tons]
Inventory rating:55.2 tons [50.2 metric tons]
Sufficiency rating:64.0
Recommended work:Widening of existing bridge or other major structure without deck rehabilitation or replacement [33]
Estimated cost of work:$5,522,000

Previous Inspections

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
July 201664.0GoodGoodGoodGoodFO38224
July 201464.0GoodGoodGoodGoodFO61800
July 201264.0GoodGoodGoodGoodFO61800
March 201064.0GoodGoodGoodGoodFO61800
March 200864.0GoodGoodVery GoodGoodFO41222

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.1,3321,3062600
Steel Protective Coatingsq. ft.1,9981,998000
Deck
Reinforced Concrete Decksq. ft.28,53528,535000
Wearing Surfacessq. ft.28,53528,535000
Substructure
Reinforced Concrete Columneach88000
Reinforced Concrete Pier Caplinear ft.144144000
Joints
Assembly with Sealeach7676000
Bearings
Fixed Bearingeach44000
Steel Protective Coatingsq. ft.999999000
Pot Bearingeach88000
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.1,3321,2924000