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FORTIFICATION ST over I 55

Map

Coordinates:
+32.31017, -90.16356
32°18'37" N, 90°09'49" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:FORTIFICATION ST over I 55
Structure number:51000550250957A
Location:2.6 MI N I 20
Purpose:Carries highway over highway
Route classification:Other Principal Arterial (Urban) [14]
Length of largest span:90.9 ft. [27.7 m]
Total length:339.9 ft. [103.6 m]
Roadway width between curbs:27.9 ft. [8.5 m]
Deck width edge-to-edge:32.8 ft. [10.0 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 / HS 20 [5]
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 2016

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:8,500 [as of 2014]
Truck traffic:1% 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:Basically intolerable requiring high priority of corrrective action [3]
Underclearances appraisal:Basically intolerable requiring high priority of replacement [2]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Scour condition:Bridge not over waterway. [N]
Inventory rating:75.2 tons [68.4 metric tons]
Sufficiency rating:60.7
Recommended work:Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. [31]
Estimated cost of work:$999,999,000

Previous Inspections

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
June 201660.7FairFairFairVery GoodFO8500
July 201461.3FairFairFairVery GoodFO8500
July 201261.3FairFairFairVery GoodFO8500
June 201061.3FairFairVery GoodFairFO8500
June 200872.4FairFairVery GoodVery GoodFO9000
October 200672.4FairFairVery GoodVery GoodFO9000
October 200473.5GoodGoodVery GoodVery GoodFO8000
August 200273.5GoodGoodVery GoodVery GoodFO8000
October 200073.5GoodGoodVery GoodVery GoodFO8000
August 199873.5GoodGoodVery GoodVery GoodFO8000
December 199674.0GoodGoodVery GoodVery GoodFO8000
January 199574.0GoodGoodVery GoodVery GoodFO7230
March 199374.0GoodGoodVery GoodVery GoodFO6580
June 199174.0GoodGoodVery GoodVery GoodFO5980