Share:

I 220 over I 20 WEST

Map 

Coordinates:
+32.29016, -90.25134
32°17'25" N, 90°15'05" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.

Facts 

Name:I 220 over I 20 WEST
Structure number:11002200250001B
Location:I220S TO I 20E OVER I 20W
Purpose:Carries highway over highway
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:170.0 ft. [51.8 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:17.1 ft. [5.2 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:12,000 [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:Superior to present desirable criteria [9]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Scour condition:Bridge not over waterway. [N]
Operating rating:65.5 tons [59.5 metric tons]
Inventory rating:39.3 tons [35.7 metric tons]
Sufficiency rating:90.8

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
September 201490.8Not deficientFairVery GoodVery Good12000
September 201290.8Not deficientFairVery GoodVery Good12000
July 201088.9Not deficientFairVery GoodVery Good11000
July 200887.9Not deficientVery GoodVery GoodVery Good31000
October 200690.0Not deficientVery GoodVery GoodVery Good30500
August 200490.7Not deficientVery GoodVery GoodVery Good23500
August 200290.5Not deficientVery GoodVery GoodVery Good25000
September 200091.0Not deficientVery GoodVery GoodVery Good20000
August 199891.0Not deficientVery GoodVery GoodVery Good20000
March 199791.4Not deficientVery GoodVery GoodVery Good16140
August 199591.8Not deficientVery GoodVery GoodVery Good14674
January 199591.8Not deficientVery GoodVery GoodVery Good14674
March 199191.9Not deficientVery GoodVery GoodVery Good13340