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I 93 RAMP N-S over COMB NASHUA ST&MGH PKNG

Map

Coordinates:
+42.36645, -71.06383
42°21'59" N, 71°03'50" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:I 93 RAMP N-S over COMB NASHUA ST&MGH PKNG
Structure number:B16606634DOTNBI
Location:LEVERETT CIRCLE, BOSTON
Purpose:Carries highway over highway
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:116.5 ft. [35.5 m]
Total length:230.7 ft. [70.3 m]
Roadway width between curbs:35.8 ft. [10.9 m]
Deck width edge-to-edge:44.0 ft. [13.4 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:2
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: May 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:Better than present minimum criteria [7]
Deck geometry appraisal:Better than present minimum criteria [7]
Underclearances appraisal:Equal to present minimum criteria [6]
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:85.0
Recommended work:Widening of existing bridge or other major structure without deck rehabilitation or replacement [33]
Estimated cost of work:$184,000

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
May 2016GoodGoodGoodGood5130085.0
May 2014GoodGoodGoodGood5430085.0
May 2012GoodGoodGoodGood5430085.0
May 2010GoodGoodGoodGood4598179.1
July 2009GoodGoodVery GoodGood4598125.0

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.441441000
Steel Protective Coatingsq. ft.31,76630,5661,20000
Deck
Reinforced Concrete Top Flangesq. ft.10,14610,144200
Wearing Surfacessq. ft.8,2568,256000
Substructure
Reinforced Concrete Columneach44000
Reinforced Concrete Abutmentlinear ft.4747000
Joints
Assembly with Sealeach7272000
Bearings
Pot Bearingeach66000
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.461461000