I0020 over I-20 RAMP W-N I-20 MKT S


+32.50726, -93.74527
32°30'26" N, 93°44'43" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.


Name:I0020 over I-20 RAMP W-N I-20 MKT S
Structure number:040904510118917
Location:I-20 RAMP TO LA 1
Purpose:Carries highway overpass over highway and railroad
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:149.9 ft. [45.7 m]
Total length:1481.0 ft. [451.4 m]
Roadway width between curbs:32.2 ft. [9.8 m]
Deck width edge-to-edge:35.1 ft. [10.7 m]
Vertical clearance above deck:15.4 ft. [4.7 m]
Vertical clearance below bridge:15.7 ft. [4.8 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: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:Fair [5 out of 9]
Superstructure condition:Poor [4 out of 9]
Substructure condition:Fair [5 out of 9]
Structural appraisal:Meets minimum tolerable limits to be left in place as is [4]
Deck geometry appraisal:Meets minimum tolerable limits to be left in place as is [4]
Underclearances appraisal:Basically intolerable requiring high priority of replacement [2]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Scour condition:Bridge not over waterway. [N]
Operating rating:64.4 tons [58.5 metric tons]
Inventory rating:37.6 tons [34.2 metric tons]
Evaluation:Structurally deficient [1]
Sufficiency rating:55.3
Recommended work:Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. [31]
Estimated cost of work:$5,775,000

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
July 201555.3Structurally deficientFairPoorFair9620
July 201454.6Structurally deficientFairPoorFair13020
February 201471.3Functionally obsoleteFairFairGood12550
February 201371.4Functionally obsoleteFairFairGood12080
February 201271.6Functionally obsoleteFairFairGood10470
February 201171.6Functionally obsoleteFairFairGood10470
March 201071.6Functionally obsoleteFairFairGood10280
January 200971.7Functionally obsoleteFairFairGood9740
March 200856.3Structurally deficientGoodPoorGood9460
February 200756.3Structurally deficientGoodPoorGood9410
March 200656.4Structurally deficientGoodPoorGood9200
February 200556.5Structurally deficientGoodPoorGood8650
March 200456.6Structurally deficientGoodPoorGood8080
February 200355.8Structurally deficientGoodPoorGood7760
May 200155.8Structurally deficientGoodPoorGood8100
April 200059.8Structurally deficientGoodPoorGood8100
20000.0Not applicable---81002
April 199959.8Structurally deficientGoodPoorGood8100
March 199859.8Structurally deficientGoodPoorGood8100
January 199760.7Structurally deficientGoodPoorGood3128
June 199561.2Structurally deficientGoodPoorGood5863
June 199459.3Structurally deficientGoodPoorGood5154
April 199361.3Not deficientGoodPoorGood4868
March 199277.5Not deficientGoodFairGood4868