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I 93 HOV RAMP EB over RR AMTRAK

Map

Coordinates:
+42.34556, -71.06000
42°20'44" N, 71°03'36" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:I 93 HOV RAMP EB over RR AMTRAK
Structure number:B1666992KDOTNBI
Location:0.8 KM S. OF I-90 EB
Purpose:Carries highway over railroad
Route classification:Collector (Urban) [17]
Length of largest span:70.9 ft. [21.6 m]
Total length:70.9 ft. [21.6 m]
Roadway width between curbs:40.0 ft. [12.2 m]
Deck width edge-to-edge:42.3 ft. [12.9 m]
Vertical clearance above deck:25.6 ft. [7.8 m]
Vertical clearance below bridge:18.4 ft. [5.6 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 22.5 / HS 25 [9]
Main span material:Prestressed concrete continuous [6]
Main span 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: May 2015

Good/Fair/Poor Condition:Good
Status:Open, no restriction [A]
Average daily traffic:4,800 [as of 2015]
Truck traffic:14% of total traffic
Deck condition:Good [7 out of 9]
Superstructure condition:Very Good [8 out of 9]
Substructure condition:Good [7 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]
Scour condition:Bridge not over waterway. [N]
Operating rating:49.5 tons [45.0 metric tons]
Inventory rating:29.7 tons [27.0 metric tons]
Sufficiency rating:74.0
Recommended work:Bridge rehabilitation because of general structure deterioration or inadequate strength. [35]
Estimated cost of work:$1,600,000

Previous Inspections

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
May 201574.0GoodGoodVery GoodGoodFO4800
May 201373.4GoodGoodVery GoodGoodFO7645
November 201073.7GoodGoodVery GoodGoodFO5909
July 201073.7GoodVery GoodVery GoodGood-5909
May 20085.9GoodVery GoodVery GoodGood-5909

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.525525000
Deck
Reinforced Concrete Decksq. ft.3,9093,909000
Wearing Surfacessq. ft.3,9093,909000
Substructure
Reinforced Concrete Columneach44000
Reinforced Concrete Abutmentlinear ft.4444000
Reinforced Concrete Pier Caplinear ft.6262000
Joints
Strip Seal Jointlinear ft.104104000
Bearings
Movable Bearingeach44000
Steel Protective Coatingsq. ft.999999000
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.169169000
Deck
Reinforced Concrete Slabsq. ft.505505000
Wearing Surfacessq. ft.505505000