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I 93 RAMP MW over COMB HOV EB & MBTA WYE

Map

Coordinates:
+42.34444, -71.06056
42°20'40" N, 71°03'38" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:I 93 RAMP MW over COMB HOV EB & MBTA WYE
Structure number:B166718TLDOTNBI
Location:0.5 MI S. OF I-90 EB
Purpose:Carries highway over highway and railroad
Route classification:Collector (Urban) [17]
Length of largest span:143.4 ft. [43.7 m]
Total length:487.9 ft. [148.7 m]
Roadway width between curbs:22.0 ft. [6.7 m]
Deck width edge-to-edge:26.2 ft. [8.0 m]
Vertical clearance above deck:15.7 ft. [4.8 m]
Vertical clearance below bridge:15.1 ft. [4.6 m]
Skew angle:11°
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:4
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:Good
Status:Open, no restriction [A]
Average daily traffic:7,500 [as of 2016]
Truck traffic:8% 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:Equal to present minimum criteria [6]
Deck geometry appraisal:Equal to present minimum criteria [6]
Underclearances appraisal:Basically intolerable requiring high priority of corrrective action [3]
Roadway alignment appraisal:Equal to present minimum criteria [6]
Scour condition:Bridge not over waterway. [N]
Operating rating:61.8 tons [56.2 metric tons]
Inventory rating:29.8 tons [27.1 metric tons]
Sufficiency rating:90.9
Recommended work:Bridge rehabilitation because of general structure deterioration or inadequate strength. [35]
Estimated cost of work:$6,401,000

Previous Inspections

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
September 201690.9GoodGoodGoodGoodFO7500
March 201590.8GoodGoodGoodGoodFO7785
March 201390.8GoodGoodGoodGoodFO7785
March 201191.2GoodGoodGoodGoodFO5411
April 200934.1GoodGoodGoodGood-5411

Element Data

Source: National Bridge Elements dataset, 2016 edition. This feature is experimental.
ElementUnitsQuantity1. Good2. Fair3. Poor4. Serious
Superstructure
Reinforced Concrete Closed Web/Box Girderlinear ft.5004653500
Deck
Reinforced Concrete Decksq. ft.10,00010,000000
Wearing Surfacessq. ft.10,00010,000000
Substructure
Reinforced Concrete Columneach44000
Reinforced Concrete Abutmentlinear ft.2018200
Reinforced Concrete Pier Caplinear ft.3232000
Joints
Strip Seal Jointlinear ft.2222000
Assembly with Sealeach2222000
Bearings
Movable Bearingeach66000
Steel Protective Coatingsq. ft.999999000
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.9768789800