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

Map

Coordinates:
+42.37221, -71.06947
42°22'20" N, 71°04'10" 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:13.1 ft. [4.0 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 2018

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: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]
Pier/abutment protection:Navigation protection not required [1]
Scour condition:Bridge not over waterway. [N]
Sufficiency rating:86.3
Recommended work:Widening of existing bridge or other major structure without deck rehabilitation or replacement [33]
Estimated cost of work:$332,000

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
September 2018FairSatisfactorySatisfactoryGood7840086.3
September 2016FairGoodSatisfactoryGood7840086.3
September 2014FairGoodSatisfactoryVery Good2060092.0
September 2012FairGoodSatisfactoryVery Good2060092.0
March 2010FairGoodSatisfactoryGood2060092.0
March 2008FairVery GoodSatisfactoryGood17463081.0

Element Data

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.
ElementUnitsQuantity1-Good2-Fair3-Poor4-Serious
Superstructure
Prestressed Concrete Closed Web/Box Girderlinear ft.6884281581020
Deck
Prestressed Concrete Top Flangesq. ft.30,28829,8372402110
Wearing Surfacessq. ft.27,87917,6507,5282,7010
Substructure
Reinforced Concrete Columneach77000
Prestressed Concrete Pier Caplinear ft.20313949150
Joints
Assembly with Sealeach88053350
Bearings
Elastomeric Bearingeach88000
Movable Bearingeach42020
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.1,3771,3126410