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I 93 RAMP SA-CN over I 93 RAMPS

Map 

Coordinates:
+42.37000, -71.06306
42°22'12" N, 71°03'47" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.

Facts 

Name:I 93 RAMP SA-CN over I 93 RAMPS
Structure number:B166039PFDOTNBI
Location:NORTH BANK CHARLES RIVER
Purpose:Carries highway over highway
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:153.9 ft. [46.9 m]
Total length:422.3 ft. [128.7 m]
Roadway width between curbs:31.8 ft. [9.7 m]
Deck width edge-to-edge:35.8 ft. [10.9 m]
Vertical clearance below bridge:26.9 ft. [8.2 m]
Owner:State Highway Agency [01]
Year built:2004
Historic significance:Historical significance is not determinable at this time [4]
Design load:MS 18 / HS 20 [5]
Number of main spans:3
Main spans material:Prestressed concrete continuous [6]
Main spans design:Segmental box girder [21]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Latex Concrete or similar additive [3]

Latest Available Inspection: March 2014 

Status:Open, no restriction [A]
Average daily traffic:12,155 [as of 2014]
Truck traffic:4% of total traffic
Deck condition:Satisfactory [6 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:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
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:87.6 tons [79.6 metric tons]
Inventory rating:52.3 tons [47.5 metric tons]
Evaluation:Functionally obsolete [2]
Sufficiency rating:91.8
Recommended work:Widening of existing bridge or other major structure without deck rehabilitation or replacement [33]
Estimated cost of work:$1,567,000

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
March 201491.8Functionally obsoleteSatisfactoryGoodGood12155
March 201291.5Not deficientSatisfactoryGoodGood15000
March 201093.0Not deficientSatisfactoryGoodGood-
October 200793.0Not deficientSatisfactoryGoodGood-