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I 93 NB over I 93 SB, RMP LT, MIL RV

Map

Coordinates:
+42.37028, -71.06500
42°22'13" N, 71°03'54" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:I 93 NB over I 93 SB, RMP LT, MIL RV
Structure number:B16600901DOTNBI
Location:I93/US1 INTERCHANGE
Purpose:Carries highway over highway and waterway
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:145.0 ft. [44.2 m]
Total length:1015.1 ft. [309.4 m]
Roadway width between curbs:56.1 ft. [17.1 m]
Deck width edge-to-edge:60.0 ft. [18.3 m]
Vertical clearance above deck:15.7 ft. [4.8 m]
Vertical clearance below bridge:14.4 ft. [4.4 m]
Owner:State Highway Agency [01]
Year built:2002
Historic significance:Historical significance is not determinable at this time [4]
Design load:MS 22.5 / HS 25 [9]
Number of main spans:7
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: February 2016

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:95,950 [as of 2016]
Truck traffic:9% 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:Meets minimum tolerable limits to be left in place as is [4]
Underclearances appraisal:Basically intolerable requiring high priority of corrrective action [3]
Roadway alignment appraisal:Equal to present desirable criteria [8]
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]
Scour condition:Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Operating rating:76.0 tons [69.1 metric tons]
Inventory rating:46.3 tons [42.1 metric tons]
Sufficiency rating:72.0
Recommended work:Widening of existing bridge or other major structure without deck rehabilitation or replacement [33]
Estimated cost of work:$19,976,000

Previous Inspections

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
February 201672.0FairSatisfactorySatisfactorySatisfactoryFO95950
February 201472.0FairSatisfactorySatisfactorySatisfactoryFO95950
February 201277.2FairSatisfactorySatisfactorySatisfactoryFO46984
February 201077.2GoodGoodGoodGood-46984
January 200813.0GoodGoodGoodGood-174630

Element Data

Source: National Bridge Elements dataset, 2016 edition. This feature is experimental.
ElementUnitsQuantity1. Good2. Fair3. Poor4. Serious
Superstructure
Prestressed Concrete Closed Web/Box Girderlinear ft.2,0311,93010100
Prestressed Concrete Girder/Beamlinear ft.3102921800
Deck
Reinforced Concrete Decksq. ft.64,00860,1683,84000
Wearing Surfacessq. ft.64,00860,1683,84000
Substructure
Reinforced Concrete Columneach1616000
Joints
Assembly with Sealeach179179000
Bearings
Elastomeric Bearingeach2020000
Movable Bearingeach42002
Steel Protective Coatingsq. ft.999999000
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.2,0312,031000