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


+32.50790, -93.74472
32°30'28" N, 93°44'41" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.


Name:I0020 over I-20 RAMP S-W OVER I-20
Structure number:040904510118976
Location:I-20 RAMP TO LA 1
Purpose:Carries highway over highway and railroad
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:170.0 ft. [51.8 m]
Total length:3561.2 ft. [1085.4 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:30°
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]
Number of main spans:9
Main spans material:Steel continuous [4]
Main spans design:Girder and floorbeam system [03]
Deck type:Concrete Cast-in-Place [1]

Latest Available Inspection: July 2015 

Status:Open, no restriction [A]
Average daily traffic:9,620 [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:Equal to present minimum criteria [6]
Deck geometry appraisal:Better than present minimum criteria [7]
Underclearances appraisal:Basically intolerable requiring high priority of corrrective action [3]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Scour condition:Bridge not over waterway. [N]
Operating rating:57.4 tons [52.2 metric tons]
Inventory rating:34.7 tons [31.5 metric tons]
Evaluation:Functionally obsolete [2]
Sufficiency rating:92.8

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
July 201592.8Functionally obsoleteSatisfactorySatisfactorySatisfactory9620
February 201592.4Functionally obsoleteGoodGoodGood13020
February 201392.5Functionally obsoleteGoodGoodGood12080
February 201192.7Functionally obsoleteGoodGoodGood10470
January 200992.7Functionally obsoleteGoodGoodGood10280
July 200792.8Functionally obsoleteVery GoodGoodVery Good9460
February 200792.8Functionally obsoleteVery GoodGoodVery Good9410
February 200592.9Functionally obsoleteVery GoodGoodVery Good8650
February 200392.4Functionally obsoleteVery GoodVery GoodVery Good7760
May 200192.4Functionally obsoleteVery GoodVery GoodVery Good8100
April 200028.2Structurally deficient---8100
20000.0Not applicable---81002
March 199894.4Functionally obsoleteVery GoodVery GoodVery Good8100
May 199694.9Functionally obsoleteVery GoodVery GoodVery Good3128
April 199595.5Functionally obsoleteVery GoodVery GoodVery Good5863
June 199495.6Functionally obsoleteVery GoodVery GoodVery Good5154
March 199295.6Not deficientVery GoodVery GoodVery Good4868