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I 93 RAMPS SN NS over RR BMRR BSG SPUR

Map

Coordinates:
+42.37528, -71.07333
42°22'31" N, 71°04'24" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:I 93 RAMPS SN NS over RR BMRR BSG SPUR
Structure number:B166059U0DOTNBI
Location:I93/US1 INTERCHANGE
Purpose:Carries highway over railroad
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:147.0 ft. [44.8 m]
Total length:853.1 ft. [260.0 m]
Roadway width between curbs:44.0 ft. [13.4 m]
Deck width edge-to-edge:49.9 ft. [15.2 m]
Vertical clearance below bridge:20.0 ft. [6.1 m]
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:6
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: February 2016

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:37,600 [as of 2014]
Truck traffic:2% of total traffic
Deck condition:Good [7 out of 9]
Superstructure condition:Good [7 out of 9]
Substructure condition:Satisfactory [6 out of 9]
Structural appraisal:Equal to present minimum criteria [6]
Deck geometry appraisal:Superior to present desirable criteria [9]
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:97.6 tons [88.7 metric tons]
Inventory rating:58.5 tons [53.2 metric tons]
Sufficiency rating:82.9
Recommended work:Other structural work, including hydraulic replacements. [38]
Estimated cost of work:$4,261,000

Previous Inspections

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
February 201682.9FairGoodGoodSatisfactoryFO37600
February 201482.9FairGoodGoodSatisfactoryFO37600
February 201281.0GoodGoodGoodGoodFO75200
February 201081.0GoodGoodGoodGoodFO75200
August 200722.0GoodGoodVery GoodGoodFO174630

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.1,7061,6089800
Steel Protective Coatingsq. ft.1,9981,998000
Deck
Reinforced Concrete Decksq. ft.42,65040,5172,13300
Wearing Surfacessq. ft.42,65040,5172,13300
Substructure
Reinforced Concrete Columneach77000
Reinforced Concrete Pier Caplinear ft.2281824600
Joints
Assembly with Sealeach9209200
Bearings
Fixed Bearingeach66000
Steel Protective Coatingsq. ft.999999000
Pot Bearingeach88000
Bridge Rail
Steel or Aluminum Bridge Raillinear ft.853853000
Reinforced Concrete Bridge Raillinear ft.2,5592,149384260