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US 1 RAMP CT over COMB I93 SB &RMPS& MBTA

Map

Coordinates:
+42.37194, -71.06778
42°22'19" N, 71°04'04" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:US 1 RAMP CT over COMB I93 SB &RMPS& MBTA
Structure number:B166108YFDOTNBI
Location:I93/US1 INTERCHANGE
Purpose:Carries highway over highway and railroad
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:195.9 ft. [59.7 m]
Total length:688.4 ft. [209.8 m]
Roadway width between curbs:36.1 ft. [11.0 m]
Deck width edge-to-edge:39.7 ft. [12.1 m]
Vertical clearance below bridge:15.4 ft. [4.7 m]
Skew angle:99°
Owner:State Highway Agency [01]
Year built:2001
Historic significance:Historical significance is not determinable at this time [4]
Design load:MS 22.5 / HS 25 [9]
Number of main spans:5
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: September 2016

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:78,400 [as of 2016]
Truck traffic:8% of total traffic
Deck condition:Good [7 out of 9]
Superstructure condition:Satisfactory [6 out of 9]
Substructure condition:Good [7 out of 9]
Structural appraisal:Equal to present minimum criteria [6]
Deck geometry appraisal:Better than present minimum criteria [7]
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:85.6 tons [77.8 metric tons]
Inventory rating:51.0 tons [46.4 metric tons]
Sufficiency rating:86.3
Recommended work:Widening of existing bridge or other major structure without deck rehabilitation or replacement [33]
Estimated cost of work:$353,000

Previous Inspections

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
September 201686.3FairGoodSatisfactoryGoodFO78400
September 201492.0FairGoodSatisfactoryVery GoodFO20600
September 201292.0FairGoodSatisfactoryVery GoodFO20600
March 201092.0FairGoodSatisfactoryGoodFO20600
March 200881.0FairVery GoodSatisfactoryGood-174630

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.689517696934
Deck
Reinforced Concrete Decksq. ft.31,54229,6491,89300
Wearing Surfacessq. ft.31,54229,6491,89300
Substructure
Reinforced Concrete Columneach70700
Prestressed Concrete Pier Caplinear ft.2031832000
Joints
Assembly with Sealeach8585000
Bearings
Elastomeric Bearingeach88000
Movable Bearingeach43100
Steel Protective Coatingsq. ft.999999000
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.1,3771,17020700