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I 55 RAMP A over RAMP B AT HIGH ST

Map 

Coordinates:
+32.30227, -90.16647
32°18'08" N, 90°09'59" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.

Facts 

Name:I 55 RAMP A over RAMP B AT HIGH ST
Structure number:170005502509490
Location:1.8 MI N INT I 55 I 20
Purpose:Carries highway over highway
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:87.9 ft. [26.8 m]
Total length:408.2 ft. [124.4 m]
Roadway width between curbs:28.9 ft. [8.8 m]
Deck width edge-to-edge:31.8 ft. [9.7 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: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 2014 

Status:Open, no restriction [A]
Average daily traffic:3,900 [as of 2012]
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:Superior to present desirable criteria [9]
Underclearances appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Scour condition:Bridge not over waterway. [N]
Inventory rating:72.7 tons [66.1 metric tons]
Sufficiency rating:76.8
Recommended work:Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. [31]
Estimated cost of work:$4,163,000

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
June 201476.8Not deficientFairFairVery Good3900
July 201276.8Not deficientFairFairVery Good4100
June 201076.8Not deficientFairFairVery Good4100
June 200887.6Not deficientFairVery GoodVery Good7000
October 200690.6Not deficientFairVery GoodVery Good7000
October 200491.7Not deficientGoodVery GoodVery Good6000
August 200291.7Not deficientGoodVery GoodVery Good5850
October 200091.7Not deficientGoodVery GoodVery Good5850
August 199891.7Not deficientGoodVery GoodVery Good5850
November 199692.0Not deficientGoodVery GoodVery Good5850
January 199592.0Not deficientGoodVery GoodVery Good5320
June 199192.0Not deficientGoodVery GoodVery Good4840