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I 55 over HIGH STREET

Map

Coordinates:
+32.30246, -90.16639
32°18'09" N, 90°09'59" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:I 55 over HIGH STREET
Structure number:11000550250951B
Location:1.9 MI N JCT I 55 I 20
Purpose:Carries highway over highway
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:50.9 ft. [15.5 m]
Total length:287.1 ft. [87.5 m]
Roadway width between curbs:55.4 ft. [16.9 m]
Deck width edge-to-edge:59.4 ft. [18.1 m]
Vertical clearance below bridge:13.1 ft. [4.0 m]
Owner:State Highway Agency [01]
Year built:1967
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:4
Main spans material:Prestressed concrete [5]
Main spans design:Stringer/Multi-beam or girder [02]
Deck type:Concrete Cast-in-Place [1]

Latest Available Inspection: June 2016

Good/Fair/Poor Condition:Good
Status:Open, no restriction [A]
Average daily traffic:44,000 [as of 2014]
Truck traffic:20% of total traffic
Deck condition:Good [7 out of 9]
Superstructure condition:Very Good [8 out of 9]
Substructure condition:Very Good [8 out of 9]
Structural appraisal:Equal to present desirable criteria [8]
Deck geometry appraisal:Meets minimum tolerable limits to be left in place as is [4]
Underclearances appraisal:Better than present minimum criteria [7]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Scour condition:Bridge not over waterway. [N]
Sufficiency rating:74.8

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
June 2016GoodGoodVery GoodVery Good4400074.8
June 2014GoodGoodVery GoodVery Good5250076.9
July 2012GoodGoodVery GoodVery Good7400075.7
June 2010GoodGoodVery GoodVery Good7400075.7
June 2008GoodGoodVery GoodVery Good5300075.9
October 2006GoodGoodVery GoodVery Good5200076.0
October 2004GoodGoodVery GoodVery Good5000090.5
August 2002GoodGoodVery GoodVery Good4750078.2
October 2000GoodGoodVery GoodVery Good4050078.6
August 1998GoodGoodVery GoodVery Good4050078.6
November 1996GoodGoodVery GoodVery Good4050081.0
January 1995GoodGoodVery GoodVery Good3450081.0
June 1991GoodGoodVery GoodVery Good2998081.0

Element Data

Source: National Bridge Elements dataset, 2018 edition. This feature is experimental.
ElementUnitsQuantity1-Good2-Fair3-Poor4-Serious
Superstructure
Prestressed Concrete Girder/Beamlinear ft.2,4772,477000
Deck
Reinforced Concrete Decksq. ft.17,046017,04600
Substructure
Reinforced Concrete Columneach1515000
Reinforced Concrete Abutmentlinear ft.166166000
Reinforced Concrete Pier Caplinear ft.290285500
Joints
Open Jointlinear ft.275275000
Bearings
Elastomeric Bearingeach104104000
Bridge Rail
Steel or Aluminum Bridge Raillinear ft.574574000
Reinforced Concrete Bridge Raillinear ft.574574000