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I 93 RAMP NS over RR MBTA

Map

Coordinates:
+42.38194, -71.07694
42°22'55" N, 71°04'37" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:I 93 RAMP NS over RR MBTA
Structure number:B166049THDOTNBI
Location:I93 US1 INTERCHANGE
Purpose:Carries highway over railroad
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:90.6 ft. [27.6 m]
Total length:90.6 ft. [27.6 m]
Roadway width between curbs:36.1 ft. [11.0 m]
Deck width edge-to-edge:40.0 ft. [12.2 m]
Skew angle: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]
Main span material:Steel [3]
Main span 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: September 2016

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:31,000 [as of 2014]
Truck traffic:2% of total traffic
Deck condition:Good [7 out of 9]
Superstructure condition:Satisfactory [6 out of 9]
Substructure condition:Good [7 out of 9]
Structural appraisal:Equal to present minimum criteria [6]
Deck geometry appraisal:Better than present minimum criteria [7]
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:48.2 tons [43.8 metric tons]
Inventory rating:28.9 tons [26.3 metric tons]
Sufficiency rating:83.9
Recommended work:Bridge rehabilitation because of general structure deterioration or inadequate strength. [35]
Estimated cost of work:$1,835,000

Previous Inspections

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
September 201683.9FairGoodSatisfactoryGood-31000
September 201483.9FairGoodSatisfactoryGood-31000
September 201281.1FairGoodSatisfactoryGood-40300
March 201081.1GoodGoodGoodGood-40300
December 200798.0GoodGoodGoodGood--

Element Data

Source: National Bridge Elements dataset, 2016 edition. This feature is experimental.
ElementUnitsQuantity1. Good2. Fair3. Poor4. Serious
Superstructure
Steel Girder/Beamlinear ft.3523341800
Steel Protective Coatingsq. ft.1,9981,998000
Deck
Reinforced Concrete Decksq. ft.3,5643,564000
Wearing Surfacessq. ft.3,5643,564000
Substructure
Steel Columneach20200
Steel Protective Coatingsq. ft.999999000
Reinforced Concrete Columneach11000
Steel Pier Caplinear ft.5205200
Steel Protective Coatingsq. ft.999999000
Reinforced Concrete Pier Caplinear ft.3636000
Joints
Strip Seal Jointlinear ft.4141000
Assembly with Sealeach4141000
Bearings
Movable Bearingeach44000
Steel Protective Coatingsq. ft.999999000
Bridge Rail
Steel or Aluminum Bridge Raillinear ft.8888000
Reinforced Concrete Bridge Raillinear ft.176088880