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I 93 RAMP N-S over COMB MGH PKNG & MBTA

Map

Coordinates:
+42.36806, -71.06333
42°22'05" N, 71°03'48" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:I 93 RAMP N-S over COMB MGH PKNG & MBTA
Structure number:B16606633DOTNBI
Location:LEVERETT CIR-UNIT 2
Purpose:Carries highway over railroad
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:142.1 ft. [43.3 m]
Total length:592.9 ft. [180.7 m]
Roadway width between curbs:44.0 ft. [13.4 m]
Deck width edge-to-edge:47.9 ft. [14.6 m]
Vertical clearance below bridge:14.8 ft. [4.5 m]
Skew angle:99°
Owner:State Highway Agency [01]
Year built:1999
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:Steel continuous [4]
Main spans design:Box beam or girders - Multiple [05]
Deck type:Concrete Cast-in-Place [1]
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:51,300 [as of 2016]
Truck traffic:5% 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:Superior to present desirable criteria [9]
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:49.4 tons [44.9 metric tons]
Inventory rating:29.6 tons [26.9 metric tons]
Sufficiency rating:76.8
Recommended work:Bridge rehabilitation because of general structure deterioration or inadequate strength. [35]
Estimated cost of work:$14,188,000

Previous Inspections

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
September 201676.8GoodGoodGoodGoodFO51300
September 201476.8GoodGoodGoodGoodFO45981
September 201276.8GoodGoodGoodGoodFO45981
May 201076.8GoodGoodGoodGoodFO45981
March 20085.0GoodGoodVery GoodGoodFO45981

Element Data

Source: National Bridge Elements dataset, 2016 edition. This feature is experimental.
ElementUnitsQuantity1. Good2. Fair3. Poor4. Serious
Superstructure
Steel Closed Web/Box Girderlinear ft.1,1861,180600
Steel Protective Coatingsq. ft.1,9981,998000
Deck
Reinforced Concrete Decksq. ft.26,09226,092000
Wearing Surfacessq. ft.26,09226,092000
Substructure
Reinforced Concrete Columneach88000
Reinforced Concrete Pier Caplinear ft.1851751000
Joints
Assembly with Sealeach8888000
Bearings
Pot Bearingeach1212000
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.1,1861,1662000