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I 93 BT SB4-N ABT over HWY CONNECTORS D & K

Map

Coordinates:
+42.38689, -71.07817
42°23'13" N, 71°04'41" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:I 93 BT SB4-N ABT over HWY CONNECTORS D & K
Structure number:B162818R8DOTNBI
Location:1.9 KM N OF JCT. US1&I93
Purpose:Carries highway over highway
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:130.6 ft. [39.8 m]
Total length:365.8 ft. [111.5 m]
Roadway width between curbs:65.6 ft. [20.0 m]
Deck width edge-to-edge:70.9 ft. [21.6 m]
Vertical clearance below bridge:16.4 ft. [5.0 m]
Owner:State Highway Agency [01]
Year built:1970
Historic significance:Historical significance is not determinable at this time [4]
Design load:MS 18 / HS 20 [5]
Number of main spans:4
Main spans material:Steel [3]
Main spans design:Stringer/Multi-beam or girder [02]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Bituminous [6]

Latest Available Inspection: November 2017

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:159,043 [as of 2016]
Truck traffic:10% of total traffic
Deck condition:Good [7 out of 9]
Superstructure condition:Fair [5 out of 9]
Substructure condition:Satisfactory [6 out of 9]
Structural appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Deck geometry appraisal:Equal to present minimum criteria [6]
Underclearances appraisal:Meets minimum tolerable limits to be left in place as is [4]
Roadway alignment appraisal:Better than present minimum criteria [7]
Scour condition:Bridge not over waterway. [N]
Sufficiency rating:72.0
Recommended work:Bridge rehabilitation because of general structure deterioration or inadequate strength. [35]
Estimated cost of work:$12,532,000

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
November 2017FairGoodFairSatisfactory15904372.0
November 2015FairGoodSatisfactorySatisfactory14639181.0
November 2013FairGoodSatisfactorySatisfactory7099587.0
November 2011FairGoodSatisfactorySatisfactory15200081.0
October 2009FairGoodGoodSatisfactory15000081.0

Element Data

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.
ElementUnitsQuantity1-Good2-Fair3-Poor4-Serious
Superstructure
Steel Girder/Beamlinear ft.3,0772,821362200
Steel Protective Coatingsq. ft.59,61955,391004,228
Deck
Reinforced Concrete Decksq. ft.25,97225,84113100
Wearing Surfacessq. ft.23,960023,96000
Substructure
Reinforced Concrete Columneach124800
Reinforced Concrete Pier Walllinear ft.48246180
Reinforced Concrete Abutmentlinear ft.132126600
Reinforced Concrete Pier Caplinear ft.27815412400
Joints
Compression Jointlinear ft.131013100
Other Jointlinear ft.6606600
Bearings
Movable Bearingeach3500350
Steel Protective Coatingsq. ft.105000105
Fixed Bearingeach2618800
Steel Protective Coatingsq. ft.78542400
Bridge Rail
Steel or Aluminum Bridge Raillinear ft.366360600
Reinforced Concrete Bridge Raillinear ft.36615021600