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I 93 RAMP LL over COMB HOV EB & AMTRK&WYE

Map

Coordinates:
+42.34500, -71.05972
42°20'42" N, 71°03'35" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:I 93 RAMP LL over COMB HOV EB & AMTRK&WYE
Structure number:B166828M5DOTNBI
Location:.5 MI S. OF I90 EB
Purpose:Carries highway over highway and railroad
Route classification:Collector (Urban) [17]
Length of largest span:154.9 ft. [47.2 m]
Total length:517.7 ft. [157.8 m]
Roadway width between curbs:27.9 ft. [8.5 m]
Deck width edge-to-edge:32.2 ft. [9.8 m]
Vertical clearance above deck:13.8 ft. [4.2 m]
Vertical clearance below bridge:16.1 ft. [4.9 m]
Skew angle:
Owner:State Highway Agency [01]
Year built:2002
Historic significance:Historical significance is not determinable at this time [4]
Design load:MS 18 / HS 20 [5]
Number of main spans:4
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: May 2015

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:11,000 [as of 2013]
Truck traffic:8% of total traffic
Deck condition:Satisfactory [6 out of 9]
Superstructure condition:Fair [5 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:Basically intolerable requiring high priority of corrrective action [3]
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:79.8 tons [72.5 metric tons]
Inventory rating:47.7 tons [43.4 metric tons]
Sufficiency rating:61.3
Recommended work:Bridge rehabilitation because of general structure deterioration or inadequate strength. [35]
Estimated cost of work:$8,719,000

Previous Inspections

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
May 201561.3FairSatisfactoryFairGoodFO11000
May 201361.3FairSatisfactoryFairGoodFO11000
December 201062.1FairSatisfactoryFairGoodFO8000
July 201071.6GoodVery GoodGoodGood-17300
May 200871.6GoodVery GoodGoodGood-17300

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.518403105100
Deck
Reinforced Concrete Decksq. ft.16,30015,32297800
Wearing Surfacessq. ft.16,30015,32297800
Substructure
Reinforced Concrete Columneach55000
Reinforced Concrete Pier Caplinear ft.6057300
Joints
Other Jointlinear ft.6363000
Bearings
Movable Bearingeach44000
Steel Protective Coatingsq. ft.999999000
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.1,0359835200