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US 1 RAMP ST over COMB RMP NS CT TL&MBTA

Map

Coordinates:
+42.37194, -71.06917
42°22'19" N, 71°04'09" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:US 1 RAMP ST over COMB RMP NS CT TL&MBTA
Structure number:B166118Y3DOTNBI
Location:I93/US1 INTERCHANGE
Purpose:Carries highway over highway and railroad
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:163.1 ft. [49.7 m]
Total length:696.9 ft. [212.4 m]
Roadway width between curbs:24.9 ft. [7.6 m]
Deck width edge-to-edge:28.9 ft. [8.8 m]
Vertical clearance above deck:15.7 ft. [4.8 m]
Vertical clearance below bridge:15.1 ft. [4.6 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 18 / HS 20 [5]
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:44,700 [as of 2007]
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:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
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]
Inventory rating:62.9 tons [57.2 metric tons]
Sufficiency rating:81.9
Recommended work:Widening of existing bridge or other major structure without deck rehabilitation or replacement [33]
Estimated cost of work:$824,000

Previous Inspections

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
September 201681.9FairGoodSatisfactoryGoodFO44700
September 201488.7FairGoodSatisfactoryGoodFO11500
September 201288.7FairGoodSatisfactoryGoodFO11500
May 201088.7GoodGoodGoodGoodFO11500
February 200891.0GoodGoodGoodVery Good--

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.697697000
Deck
Reinforced Concrete Decksq. ft.18,90017,95594500
Wearing Surfacessq. ft.18,90017,95594500
Substructure
Prestressed Concrete Columneach66000
Reinforced Concrete Pier Caplinear ft.4848000
Joints
Assembly with Sealeach5454000
Bearings
Elastomeric Bearingeach1212000
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.1,3941,394000