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I 93 RAMP NS over US 1 RAMP TC & LC

Map

Coordinates:
+42.36972, -71.06528
42°22'11" N, 71°03'55" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:I 93 RAMP NS over US 1 RAMP TC & LC
Structure number:B166068YUDOTNBI
Location:I93/US1 INTERCHANGE
Purpose:Carries highway over highway
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:143.1 ft. [43.6 m]
Total length:774.0 ft. [235.9 m]
Roadway width between curbs:22.0 ft. [6.7 m]
Deck width edge-to-edge:25.9 ft. [7.9 m]
Vertical clearance below bridge:16.4 ft. [5.0 m]
Skew angle:
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:Prestressed concrete continuous [6]
Main spans design:Segmental box girder [21]
Deck type:Other [9]
Wearing surface:Latex Concrete or similar additive [3]

Latest Available Inspection: May 2016

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:19,000 [as of 2016]
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:Equal to present minimum criteria [6]
Underclearances appraisal:Equal to present desirable criteria [8]
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:78.4 tons [71.3 metric tons]
Inventory rating:47.1 tons [42.8 metric tons]
Sufficiency rating:98.0
Recommended work:Widening of existing bridge or other major structure without deck rehabilitation or replacement [33]
Estimated cost of work:$3,652,000

Previous Inspections

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
May 201698.0FairGoodGoodSatisfactory-19000
May 201498.0FairGoodGoodSatisfactory-19000
May 201298.0FairGoodGoodSatisfactory-19000
May 201094.0FairGoodGoodSatisfactoryFO40300
June 200935.0FairVery GoodGoodSatisfactoryFO174630

Element Data

Source: National Bridge Elements dataset, 2016 edition. This feature is experimental.
ElementUnitsQuantity1. Good2. Fair3. Poor4. Serious
Superstructure
Prestressed Concrete Closed Web/Box Girderlinear ft.774774000
Deck
Reinforced Concrete Decksq. ft.17,02814,1332,89500
Wearing Surfacessq. ft.17,02814,1332,89500
Substructure
Prestressed Concrete Columneach88000
Reinforced Concrete Pier Caplinear ft.6006000
Joints
Assembly with Sealeach4444000
Bearings
Elastomeric Bearingeach1414000
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.1,4121,412000