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I 93 RAMP SN over US 1 RAMP TC

Map

Coordinates:
+42.37139, -71.06722
42°22'17" N, 71°04'02" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:I 93 RAMP SN over US 1 RAMP TC
Structure number:B166078YLDOTNBI
Location:I93/US1 INTERCHANGE
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:81.0 ft. [24.7 m]
Total length:297.9 ft. [90.8 m]
Roadway width between curbs:32.2 ft. [9.8 m]
Deck width edge-to-edge:35.4 ft. [10.8 m]
Vertical clearance above deck:14.8 ft. [4.5 m]
Vertical clearance below bridge:14.4 ft. [4.4 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 18 / HS 20 [5]
Number of main spans:4
Main spans material:Prestressed concrete continuous [6]
Main spans design:Box Beam or girders - Single or Spread [06]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Latex Concrete or similar additive [3]

Latest Available Inspection: October 2016

Good/Fair/Poor Condition:Good
Status:Open, no restriction [A]
Average daily traffic:48,362 [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:Good [7 out of 9]
Structural appraisal:Better than present minimum criteria [7]
Deck geometry 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:77.8 tons [70.7 metric tons]
Inventory rating:46.5 tons [42.3 metric tons]
Sufficiency rating:79.0
Recommended work:Widening of existing bridge or other major structure without deck rehabilitation or replacement [33]
Estimated cost of work:$1,526,000

Previous Inspections

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
October 201679.0GoodGoodGoodGoodFO48362
October 201479.0GoodGoodGoodGoodFO61100
October 201279.0GoodGoodGoodGoodFO61100
October 201079.0GoodVery GoodVery GoodVery GoodFO174630
October 200879.0GoodVery GoodVery GoodVery GoodFO174630

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.298298000
Deck
Reinforced Concrete Decksq. ft.11,60011,02058000
Wearing Surfacessq. ft.11,60011,02058000
Substructure
Reinforced Concrete Columneach99000
Reinforced Concrete Pier Caplinear ft.9595000
Joints
Assembly with Sealeach7878000
Bearings
Elastomeric Bearingeach1818000
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.600599100