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

Map

Coordinates:
+42.38083, -71.07667
42°22'51" N, 71°04'36" 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:61.7 ft. [18.8 m]
Deck width edge-to-edge:69.9 ft. [21.3 m]
Vertical clearance below bridge:18.0 ft. [5.5 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 2015

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:146,391 [as of 2014]
Truck traffic:10% of total traffic
Deck condition:Good [7 out of 9]
Superstructure condition:Satisfactory [6 out of 9]
Substructure condition:Satisfactory [6 out of 9]
Structural appraisal:Equal to present minimum criteria [6]
Deck geometry appraisal:Meets minimum tolerable limits to be left in place as is [4]
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]
Operating rating:62.2 tons [56.5 metric tons]
Inventory rating:37.2 tons [33.8 metric tons]
Sufficiency rating:81.0
Recommended work:Widening of existing bridge or other major structure without deck rehabilitation or replacement [33]
Estimated cost of work:$4,996,000

Previous Inspections

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
November 201581.0FairGoodSatisfactorySatisfactory-146391
November 201387.0FairGoodSatisfactorySatisfactory-70995
November 201181.0FairGoodSatisfactorySatisfactory-152000
October 200981.0FairGoodGoodSatisfactory-150000

Element Data

Source: National Bridge Elements dataset, 2016 edition. This feature is experimental.
ElementUnitsQuantity1. Good2. Fair3. Poor4. Serious
Superstructure
Steel Girder/Beamlinear ft.2,8342,60922500
Deck
Reinforced Concrete Decksq. ft.24,47424,4522200
Wearing Surfacessq. ft.23,87423,874000
Substructure
Reinforced Concrete Columneach128400
Reinforced Concrete Abutmentlinear ft.132129300
Reinforced Concrete Pier Caplinear ft.2091684100
Joints
Compression Jointlinear ft.65392240
Other Jointlinear ft.6561400
Bearings
Movable Bearingeach3503500
Fixed Bearingeach2602600
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.7716967500