I0020 over I-20 RAMP W-N OVER I-20


+32.45610, -93.84435
32°27'22" N, 93°50'40" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.


Name:I0020 over I-20 RAMP W-N OVER I-20
Structure number:040904510111687
Location:I-220 RAMPS OVER I-20
Purpose:Carries highway overpass over highway
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:154.9 ft. [47.2 m]
Total length:630.0 ft. [192.0 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:19.0 ft. [5.8 m]
Owner:State Highway Agency [01]
Year built:1985
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:MS 18 / HS 20 [5]
Main span material:Steel continuous [4]
Main span design:Stringer/Multi-beam or girder [02]
Deck type:Concrete Cast-in-Place [1]

Latest Available Inspection: March 2016 

Status:Open, no restriction [A]
Average daily traffic:7,160 [as of 2015]
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:Meets minimum tolerable limits to be left in place as is [4]
Deck geometry appraisal:Better than present minimum criteria [7]
Underclearances appraisal:Superior to present desirable criteria [9]
Roadway alignment appraisal:Equal to present minimum criteria [6]
Scour condition:Bridge not over waterway. [N]
Operating rating:33.9 tons [30.8 metric tons]
Inventory rating:19.9 tons [18.1 metric tons]
Sufficiency rating:77.5

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
March 201677.5Not deficientSatisfactorySatisfactorySatisfactory7160
March 201477.2Not deficientSatisfactorySatisfactorySatisfactory8580
March 201277.3Not deficientGoodGoodGood7500
March 201077.3Not deficientGoodGoodGood7280
February 200877.4Not deficientVery GoodGoodVery Good6880
January 200677.6Not deficientVery GoodGoodVery Good5410
February 200477.6Not deficientVery GoodGoodVery Good5380
March 200277.6Not deficientVery GoodGoodVery Good5220
March 200079.5Not deficientVery GoodGoodVery Good5871
March 199899.4Not deficientVery GoodGoodVery Good5871
March 199699.7Not deficientVery GoodGoodVery Good2917
May 199499.6Not deficientVery GoodGoodVery Good5828
March 199299.7Not deficientVery GoodGoodVery Good4605