+32.30287, -90.16665
32°18'10" N, 90°09'60" W


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:17.4 ft. [5.3 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]
Operating rating:61.1 tons [55.5 metric tons]
Inventory rating:52.8 tons [48.0 metric tons]
Sufficiency rating:92.9

Previous Inspections

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
June 201692.9GoodGoodVery GoodVery Good-44000
June 201494.5GoodGoodVery GoodVery Good-52500
July 201293.5GoodGoodVery GoodVery Good-74000
June 201093.5GoodVery GoodVery GoodVery Good-74000
June 200893.5GoodVery GoodVery GoodVery Good-53000
October 200693.6GoodVery GoodVery GoodVery Good-52000
October 200495.7GoodVery GoodVery GoodVery Good-50000
August 200295.8GoodVery GoodVery GoodVery Good-47500
October 200096.1GoodVery GoodVery GoodVery Good-40500
August 199896.1GoodVery GoodVery GoodVery Good-40500
November 199698.0GoodVery GoodVery GoodVery Good-40500
January 199598.0GoodVery GoodVery GoodVery Good-34500
June 199198.0GoodVery GoodVery GoodVery Good-29980