I0020 over ON RAMP TO I-20 WBL


+32.45772, -93.84723
32°27'28" N, 93°50'50" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.


Name:I0020 over ON RAMP TO I-20 WBL
Structure number:040904510111816
Location:I-220 RAMPS OVER I-20
Purpose:Carries highway over highway
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:438.0 ft. [133.5 m]
Total length:1237.9 ft. [377.3 m]
Roadway width between curbs:24.9 ft. [7.6 m]
Deck width edge-to-edge:27.9 ft. [8.5 m]
Vertical clearance below bridge:17.1 ft. [5.2 m]
Skew angle:41°
Owner:State Highway Agency [01]
Year built:1980
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: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: March 2014 

Status:Open, no restriction [A]
Average daily traffic:8,580 [as of 2014]
Truck traffic:29% of total traffic
Deck condition:Satisfactory [6 out of 9]
Superstructure condition:Satisfactory [6 out of 9]
Substructure condition:Satisfactory [6 out of 9]
Structural appraisal:Equal to present minimum criteria [6]
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:53.5 tons [48.6 metric tons]
Inventory rating:33.7 tons [30.6 metric tons]
Sufficiency rating:94.4

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
March 201494.4Not deficientSatisfactorySatisfactorySatisfactory8580
March 201296.5Not deficientGoodGoodGood7500
March 201096.5Not deficientGoodGoodGood7280
February 200896.6Not deficientVery GoodVery GoodVery Good6880
February 200696.7Not deficientVery GoodVery GoodVery Good5410
February 200496.7Not deficientVery GoodVery GoodVery Good5380
March 200296.7Not deficientVery GoodVery GoodVery Good5220
March 200098.9Not deficientVery GoodVery GoodVery Good3448
20000.0Not applicable---46553
March 199898.8Not deficientVery GoodVery GoodVery Good4655
March 199698.8Not deficientVery GoodVery GoodVery Good4303
May 199499.7Not deficientVery GoodVery GoodVery Good4445
March 199299.7Not deficientVery GoodVery GoodVery Good4605