+32.30283, -90.16629
32°18'10" N, 90°09'59" W


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:16.1 ft. [4.9 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]
Operating rating:61.1 tons [55.5 metric tons]
Inventory rating:52.8 tons [48.0 metric tons]
Sufficiency rating:74.8

Previous Inspections

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
June 201674.8GoodGoodVery GoodVery Good-44000
June 201476.9GoodGoodVery GoodVery Good-52500
July 201275.7GoodGoodVery GoodVery Good-74000
June 201075.7GoodGoodVery GoodVery Good-74000
June 200875.9GoodGoodVery GoodVery Good-53000
October 200676.0GoodGoodVery GoodVery Good-52000
October 200490.5GoodGoodVery GoodVery Good-50000
August 200278.2GoodGoodVery GoodVery Good-47500
October 200078.6GoodGoodVery GoodVery Good-40500
August 199878.6GoodGoodVery GoodVery Good-40500
November 199681.0GoodGoodVery GoodVery Good-40500
January 199581.0GoodGoodVery GoodVery Good-34500
June 199181.0GoodGoodVery GoodVery Good-29980