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


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


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 2014 

Status:Open, no restriction [A]
Average daily traffic:21,000 [as of 2012]
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:84.9

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
December 201484.9Not deficientFairFairVery Good21000
November 201284.8Not deficientFairFairVery Good22000
October 201084.8Not deficientFairFairVery Good22000
October 200895.5Not deficientSatisfactoryGoodVery Good54000
March 200795.6Not deficientSatisfactoryGoodVery Good50500
December 200495.6Not deficientSatisfactoryGoodVery Good51000
January 200395.9Not deficientSatisfactoryGoodVery Good44500
December 200097.0Not deficientSatisfactoryGoodVery Good20400
December 199897.0Not deficientSatisfactoryGoodVery Good20400
March 199792.0Not deficientSatisfactoryGoodVery Good20400
March 199592.0Not deficientSatisfactoryGoodVery Good18590
September 199192.0Not deficientSatisfactoryGoodVery Good16900
November 198992.0Not deficientSatisfactoryGoodVery Good15360