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US 1 RAMP CT over COMB MBTA & MILLERS RIV

Map

Coordinates:
+42.36974, -71.06604
42°22'11" N, 71°03'58" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:US 1 RAMP CT over COMB MBTA & MILLERS RIV
Structure number:B166108Y6DOTNBI
Location:I93/US1 INTERCHANGE
Purpose:Carries highway over highway and railroad
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:190.0 ft. [57.9 m]
Total length:823.2 ft. [250.9 m]
Roadway width between curbs:36.1 ft. [11.0 m]
Deck width edge-to-edge:40.0 ft. [12.2 m]
Vertical clearance below bridge:23.0 ft. [7.0 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:250,000 [as of 2016]
Truck traffic:8% of total traffic
Deck condition:Satisfactory [6 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]
Scour condition:Bridge not over waterway. [N]
Sufficiency rating:81.0
Recommended work:Widening of existing bridge or other major structure without deck rehabilitation or replacement [33]
Estimated cost of work:$325,000

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
September 2016FairSatisfactorySatisfactoryGood25000081.0
September 2014FairSatisfactorySatisfactoryGood25000081.0
September 2012FairSatisfactorySatisfactoryGood25000081.0
March 2010FairSatisfactorySatisfactoryGood25000081.0
November 2007FairVery GoodSatisfactoryVery Good17463081.0

Element Data

Source: National Bridge Elements dataset, 2018 edition. This feature is experimental.
ElementUnitsQuantity1-Good2-Fair3-Poor4-Serious
Superstructure
Prestressed Concrete Closed Web/Box Girderlinear ft.819649136340
Deck
Prestressed Concrete Top Flangesq. ft.31,78331,7621470
Wearing Surfacessq. ft.31,78331,7038000
Substructure
Reinforced Concrete Columneach55000
Reinforced Concrete Pier Walllinear ft.3939000
Reinforced Concrete Pier Caplinear ft.85741100
Joints
Assembly with Sealeach74054200
Bearings
Elastomeric Bearingeach85210
Movable Bearingeach44000
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.1,6371,634300