I 220 over I 20 WEST


+32.28987, -90.24793
32°17'24" N, 90°14'53" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.


Name:I 220 over I 20 WEST
Structure number:11002200250001A
Location:I20E TO I 220N OVER I 20W
Purpose:Carries highway over highway
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:180.1 ft. [54.9 m]
Total length:432.1 ft. [131.7 m]
Roadway width between curbs:40.4 ft. [12.3 m]
Deck width edge-to-edge:44.0 ft. [13.4 m]
Vertical clearance below bridge:15.4 ft. [4.7 m]
Owner:State Highway Agency [01]
Year built:1969
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:3
Main spans material:Steel continuous [4]
Main spans design:Stringer/Multi-beam or girder [02]
Deck type:Concrete Cast-in-Place [1]

Latest Available Inspection: September 2014 

Status:Open, no restriction [A]
Average daily traffic:11,000 [as of 2012]
Truck traffic:10% of total traffic
Deck condition:Fair [5 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:Better than present minimum criteria [7]
Underclearances appraisal:Meets minimum tolerable limits to be left in place as is [4]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Scour condition:Bridge not over waterway. [N]
Operating rating:67.9 tons [61.7 metric tons]
Inventory rating:40.7 tons [37.0 metric tons]
Sufficiency rating:88.9

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
September 201488.9Not deficientFairVery GoodVery Good11000
September 201288.9Not deficientFairVery GoodVery Good11000
July 201088.9Not deficientFairVery GoodVery Good11000
July 200885.8Not deficientGoodVery GoodVery Good31000
October 200687.9Not deficientGoodVery GoodVery Good30500
August 200488.6Not deficientGoodVery GoodVery Good23500
August 200287.4Not deficientGoodVery GoodVery Good25000
September 200087.9Not deficientGoodVery GoodVery Good20000
August 199887.9Not deficientGoodVery GoodVery Good20000
March 199788.3Not deficientGoodVery GoodVery Good16140
May 199588.8Not deficientGoodVery GoodVery Good14674
February 199589.8Not deficientGoodVery GoodVery Good14674
March 199189.9Not deficientGoodVery GoodVery Good13340