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I 20 E TO I 55 N over OVER I 20 WB

Map

Coordinates:
+32.27624, -90.17591
32°16'34" N, 90°10'33" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.

Facts

Name:I 20 E TO I 55 N over OVER I 20 WB
Structure number:110005506109310
Location:JCT I 55 & I 20
Purpose:Carries highway over highway
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:109.9 ft. [33.5 m]
Total length:1317.0 ft. [401.4 m]
Roadway width between curbs:40.0 ft. [12.2 m]
Deck width edge-to-edge:42.7 ft. [13.0 m]
Vertical clearance above deck:19.7 ft. [6.0 m]
Vertical clearance below bridge:17.1 ft. [5.2 m]
Owner:State Highway Agency [01]
Year built:1966
Year reconstructed:1998
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:17
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: December 2016

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:54,500 [as of 2014]
Truck traffic:21% 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:Better than present minimum criteria [7]
Underclearances appraisal:Equal to present minimum criteria [6]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Scour condition:Bridge not over waterway. [N]
Operating rating:93.3 tons [84.8 metric tons]
Inventory rating:56.0 tons [50.9 metric tons]
Sufficiency rating:80.1

Previous Inspections

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
December 201680.1FairFairFairVery Good-54500
December 201484.9FairFairFairVery Good-21000
November 201284.8FairFairFairVery Good-22000
October 201084.8FairFairFairVery Good-22000
October 200895.5FairSatisfactoryGoodVery Good-54000
March 200795.6FairSatisfactoryGoodVery Good-50500
December 200495.6FairSatisfactoryGoodVery Good-51000
January 200395.9FairSatisfactoryGoodVery Good-44500
December 200097.0FairSatisfactoryGoodVery Good-20400
December 199897.0FairSatisfactoryGoodVery Good-20400
March 199792.0FairSatisfactoryGoodVery Good-20400
March 199592.0FairSatisfactoryGoodVery Good-18590
September 199192.0FairSatisfactoryGoodVery Good-16900
November 198992.0FairSatisfactoryGoodVery Good-15360