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I 55 over HIGH STREET

Map

Coordinates:
+32.30326, -90.16648
32°18'12" 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:11000550250951A
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:16.4 ft. [5.0 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:Equal to present minimum criteria [6]
Underclearances appraisal:Superior to present desirable criteria [9]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Scour condition:Bridge not over waterway. [N]
Sufficiency rating:92.9

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
June 2016GoodGoodVery GoodVery Good4400092.9
June 2014GoodGoodVery GoodVery Good5250094.5
July 2012GoodGoodVery GoodVery Good7400093.5
June 2010GoodVery GoodVery GoodVery Good7400093.5
June 2008GoodVery GoodVery GoodVery Good5300093.5
October 2006GoodVery GoodVery GoodVery Good5200093.6
October 2004GoodVery GoodVery GoodVery Good5000095.7
August 2002GoodVery GoodVery GoodVery Good4750095.8
October 2000GoodVery GoodVery GoodVery Good4050096.1
August 1998GoodVery GoodVery GoodVery Good4050096.1
November 1996GoodVery GoodVery GoodVery Good4050098.0
January 1995GoodVery GoodVery GoodVery Good3450098.0
June 1991GoodVery GoodVery GoodVery Good2998098.0

Element Data

Source: National Bridge Elements dataset, 2018 edition. This feature is experimental.
ElementUnitsQuantity1-Good2-Fair3-Poor4-Serious
Superstructure
Prestressed Concrete Girder/Beamlinear ft.2,2772,277000
Deck
Reinforced Concrete Decksq. ft.17,046117,04320
Substructure
Reinforced Concrete Columneach1515000
Reinforced Concrete Abutmentlinear ft.142142000
Reinforced Concrete Pier Caplinear ft.273265800
Joints
Open Jointlinear ft.275275000
Bearings
Elastomeric Bearingeach104104000
Bridge Rail
Steel or Aluminum Bridge Raillinear ft.574574000