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I55N RAMP TO WW DR over WW DR TO I 55N RAMP

Map

Coordinates:
+32.32564, -90.16064
32°19'32" N, 90°09'38" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:I55N RAMP TO WW DR over WW DR TO I 55N RAMP
Structure number:170005502509700
Location:I 55N RAMP OVER WW DR
Purpose:Carries highway overpass over highway
Route classification:Other Principal Arterial (Urban) [14]
Length of largest span:89.9 ft. [27.4 m]
Total length:426.9 ft. [130.1 m]
Roadway width between curbs:27.9 ft. [8.5 m]
Deck width edge-to-edge:32.8 ft. [10.0 m]
Vertical clearance above deck:15.1 ft. [4.6 m]
Vertical clearance below bridge:13.1 ft. [4.0 m]
Owner:State Highway Agency [01]
Year built:1966
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:MS 18+Mod / HS 20+Mod [6]
Number of main spans:5
Main spans material:Concrete continuous [2]
Main spans design:Box Beam or girders - Single or Spread [06]
Deck type:Concrete Cast-in-Place [1]

Latest Available Inspection: June 2016

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:7,400 [as of 2014]
Truck traffic:13% of total traffic
Deck condition:Fair [5 out of 9]
Superstructure condition:Fair [5 out of 9]
Substructure condition:Very Good [8 out of 9]
Structural appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Deck geometry appraisal:Meets minimum tolerable limits to be left in place as is [4]
Underclearances appraisal:Meets minimum tolerable limits to be left in place as is [4]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Scour condition:Bridge not over waterway. [N]
Sufficiency rating:73.1

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
June 2016FairFairFairVery Good740073.1
July 2014FairFairFairVery Good740073.5
July 2012FairFairFairVery Good740073.5
June 2010FairFairFairVery Good740073.5
May 2008GoodGoodVery GoodVery Good2000084.9
October 2006GoodGoodVery GoodVery Good2000084.9
October 2004GoodVery GoodVery GoodVery Good1762586.1
August 2002GoodVery GoodVery GoodVery Good800086.6
October 2000GoodVery GoodVery GoodVery Good795086.6
August 1998GoodVery GoodVery GoodVery Good795086.6
December 1996GoodVery GoodVery GoodVery Good795087.0
January 1995GoodVery GoodVery GoodVery Good982087.0
June 1991GoodVery GoodVery GoodVery Good893087.0

Element Data

Source: National Bridge Elements dataset, 2018 edition. This feature is experimental.
ElementUnitsQuantity1-Good2-Fair3-Poor4-Serious
Superstructure
Reinforced Concrete Closed Web/Box Girderlinear ft.427424300
Deck
Reinforced Concrete Top Flangesq. ft.14,004014,00400
Substructure
Reinforced Concrete Columneach1414000
Reinforced Concrete Abutmentlinear ft.166166000
Reinforced Concrete Pier Caplinear ft.5252000
Joints
Compression Jointlinear ft.3232000
Assembly with Sealeach3232000
Open Jointlinear ft.6464000
Bearings
Elastomeric Bearingeach2020000
Movable Bearingeach1010000
Steel Protective Coatingsq. ft.1001000
Bridge Rail
Steel or Aluminum Bridge Raillinear ft.853853000
Reinforced Concrete Bridge Raillinear ft.853853000