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


+42.36639, -71.06667
42°21'59" N, 71°04'00" 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 2015 

Status:Open, no restriction [A]
Average daily traffic:8,756 [as of 2013]
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]
Operating rating:38.3 tons [34.8 metric tons]
Inventory rating:23.0 tons [20.9 metric tons]
Evaluation:Functionally obsolete [2]
Sufficiency rating:80.3
Recommended work:Bridge rehabilitation because of general structure deterioration or inadequate strength. [35]
Estimated cost of work:$6,200,000

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
December 201580.3Functionally obsoleteGoodGoodGood8756
December 201380.3Functionally obsoleteGoodGoodGood8756
December 201180.3Not deficientGoodGoodGood8756
December 200935.0Not deficientGoodSatisfactoryVery Good8756