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I 93 & RMP SA-CN over WATER CHARLES RIV, RAMPS

Map

Coordinates:
+42.36667, -71.05111
42°22'00" N, 71°03'04" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:I 93 & RMP SA-CN over WATER CHARLES RIV, RAMPS
Structure number:B166009PMDOTNBI
Location:N OF TD GARDEN
Purpose:Carries highway over highway and waterway
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:745.1 ft. [227.1 m]
Total length:1457.4 ft. [444.2 m]
Roadway width between curbs:144.0 ft. [43.9 m]
Deck width edge-to-edge:183.4 ft. [55.9 m]
Vertical clearance above deck:16.1 ft. [4.9 m]
Vertical clearance below bridge:29.9 ft. [9.1 m]
Owner:State Highway Agency [01]
Year built:2002
Historic significance:Bridge is eligible for the National Register of Historic Places [2]
Design load:MS 22.5 / HS 25 [9]
Number of main spans:5
Main spans material:Steel [3]
Main spans design:Stayed girder [14]
Deck type:Concrete Precast Panels [2]
Wearing surface:Latex Concrete or similar additive [3]

Latest Available Inspection: October 2015

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:155,200 [as of 2010]
Truck traffic:8% of total traffic
Deck condition:Satisfactory [6 out of 9]
Superstructure condition:Satisfactory [6 out of 9]
Substructure condition:Satisfactory [6 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]
Roadway alignment appraisal:Equal to present minimum criteria [6]
Channel protection:Banks are protected or well vegetated. River control devices such as spur dikes and embankment protection are not required or are in a stable condition. [8]
Pier/abutment protection:Navigation protection not required [1]
Scour condition:Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Operating rating:49.9 tons [45.4 metric tons]
Inventory rating:43.5 tons [39.5 metric tons]
Sufficiency rating:79.0
Recommended work:Widening of existing bridge or other major structure without deck rehabilitation or replacement [33]
Estimated cost of work:$2,407,000

Previous Inspections

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
October 201579.0FairSatisfactorySatisfactorySatisfactory-155200
October 201379.0FairSatisfactoryGoodGood-155200
October 201179.0GoodGoodGoodGood-155200
December 200979.0GoodGoodGoodGood-155200
December 200779.0GoodGoodGoodGood-206260

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.1,4901,4167400
Steel Protective Coatingsq. ft.54,23051,5402,69000
Prestressed Concrete Closed Web/Box Girderlinear ft.1,3291,06526400
Steel Girder/Beamlinear ft.74537736800
Steel Protective Coatingsq. ft.11,25911,259000
Deck
Reinforced Concrete Decksq. ft.204,076142,85359,1822,0410
Wearing Surfacessq. ft.181,760146,31732,7172,7260
Superstructure
Steel Main Cablelinear ft.28,37628,10926700
Steel Floor Beamlinear ft.5,9975,39760000
Steel Protective Coatingsq. ft.66,77563,4363,33900
Substructure
Prestressed Concrete Columneach42200
Reinforced Concrete Columneach97110
Prestressed Concrete Pier Caplinear ft.3012792200
Joints
Strip Seal Jointlinear ft.64323200
Assembly with Sealeach254247070
Bearings
Elastomeric Bearingeach44000
Pot Bearingeach99000
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.7,1307,00512500