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

Map

Coordinates:
+42.36745, -71.06311
42°22'03" N, 71°03'47" 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:13.1 ft. [4.0 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]
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

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
September 2016GoodGoodGoodGood5130076.8
September 2014GoodGoodGoodGood4598176.8
September 2012GoodGoodGoodGood4598176.8
May 2010GoodGoodGoodGood4598176.8
March 2008GoodGoodVery GoodGood459815.0

Element Data

Source: National Bridge Elements dataset, 2018 edition. This feature is experimental.
ElementUnitsQuantity1-Good2-Fair3-Poor4-Serious
Superstructure
Steel Closed Web/Box Girderlinear ft.1,1901,190000
Steel Protective Coatingsq. ft.52,36039,45012,91000
Deck
Reinforced Concrete Decksq. ft.28,39828,398000
Wearing Surfacessq. ft.26,06426,064000
Substructure
Reinforced Concrete Columneach77000
Reinforced Concrete Pier Caplinear ft.104104000
Joints
Assembly with Sealeach8888000
Bearings
Pot Bearingeach1212000
Steel Protective Coatingsq. ft.4804800
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.1,1861,1662000