I 93 RAMP LC-N over I 93 RAMP S-N BOAT


+42.36628, -71.06605
42°21'59" N, 71°03'58" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:I 93 RAMP LC-N over I 93 RAMP S-N BOAT
Structure number:B166916K2DOTNBI
Location:UNIT 1
Purpose:Carries highway over highway
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:146.3 ft. [44.6 m]
Total length:396.0 ft. [120.7 m]
Roadway width between curbs:25.9 ft. [7.9 m]
Deck width edge-to-edge:29.9 ft. [9.1 m]
Vertical clearance below bridge:19.7 ft. [6.0 m]
Owner:State Highway Agency [01]
Year built:2003
Historic significance:Historical significance is not determinable at this time [4]
Design load:MS 22.5 / HS 25 [9]
Number of main spans:3
Main spans material:Steel continuous [4]
Main spans design:Box Beam or girders - Single or Spread [06]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Latex Concrete or similar additive [3]

Latest Available Inspection: December 2017

Good/Fair/Poor Condition:Good
Status:Open, no restriction [A]
Average daily traffic:37,301 [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:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Deck geometry appraisal:Equal to present desirable criteria [8]
Underclearances appraisal:Basically intolerable requiring high priority of corrrective action [3]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Scour condition:Bridge not over waterway. [N]
Sufficiency rating:80.3
Recommended work:Bridge rehabilitation because of general structure deterioration or inadequate strength. [35]
Estimated cost of work:$5,705,000

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
December 2017GoodGoodGoodGood3730180.3
December 2015GoodGoodGoodGood875680.3
December 2013GoodGoodGoodGood875680.3
December 2011GoodGoodGoodGood875680.3
December 2009FairGoodSatisfactoryVery Good875635.0

Element Data

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.
Steel Closed Web/Box Girderlinear ft.396396000
Steel Protective Coatingsq. ft.15,04814,93811000
Steel Girder/Beamlinear ft.108108000
Steel Protective Coatingsq. ft.1,4041,404000
Reinforced Concrete Decksq. ft.11,82311,823000
Wearing Surfacessq. ft.10,26910,269000
Reinforced Concrete Columneach33000
Assembly with Sealeach104010400
Movable Bearingeach70700
Steel Protective Coatingsq. ft.1401400
Fixed Bearingeach10100
Steel Protective Coatingsq. ft.20200
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.792792000