I0020 over MARSHALL ST&LA&KCI-20


+32.50803, -93.74486
32°30'29" N, 93°44'42" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.


Name:I0020 over MARSHALL ST&LA&KCI-20
Structure number:040904510118986
Location:I-20 RAMP TO LA 1
Purpose:Carries highway over highway and railroad
Route classification:Principal Arterial - Interstate (Urban) [11]
Total length:814.0 ft. [248.1 m]
Roadway width between curbs:30.2 ft. [9.2 m]
Deck width edge-to-edge:33.5 ft. [10.2 m]
Vertical clearance below bridge:20.3 ft. [6.2 m]
Skew angle:99°
Owner:State Highway Agency [01]
Year built:1965
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: February 2017 

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:Fair [5 out of 9]
Substructure condition:Satisfactory [6 out of 9]
Structural appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Deck geometry appraisal:Superior to present desirable criteria [9]
Underclearances appraisal:Equal to present minimum criteria [6]
Roadway alignment appraisal:Equal to present minimum criteria [6]
Scour condition:Bridge not over waterway. [N]
Operating rating:60.8 tons [55.3 metric tons]
Inventory rating:37.0 tons [33.6 metric tons]
Sufficiency rating:82.0

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
February 201782.0Not deficientSatisfactoryFairSatisfactory9620
February 201682.0Not deficientSatisfactoryFairSatisfactory9620
February 201582.0Not deficientSatisfactoryFairSatisfactory13020
February 201482.0Not deficientSatisfactoryFairSatisfactory12550
February 201382.0Not deficientSatisfactoryFairSatisfactory12080
February 201282.0Not deficientSatisfactoryFairSatisfactory10470
February 201182.0Not deficientSatisfactoryFairSatisfactory10470
March 201082.0Not deficientSatisfactoryFairSatisfactory10280
January 200982.0Not deficientSatisfactoryFairSatisfactory9740
March 200882.0Not deficientGoodFairGood9460
February 200782.0Not deficientGoodFairGood9410
March 200682.0Not deficientGoodFairGood9200
February 200582.0Not deficientGoodFairGood8650
March 200482.0Not deficientGoodFairGood8080
February 200381.2Not deficientGoodFairGood7760
May 200181.2Not deficientGoodFairGood8100
April 200027.0Structurally deficient---8100
April 199980.2Structurally deficientPoorFairGood8100
March 199880.2Structurally deficientPoorFairGood8100
January 199780.2Structurally deficientPoorFairGood3128
June 199581.0Structurally deficientPoorFairGood5863
June 199481.0Structurally deficientPoorFairGood5154
April 199381.0Structurally deficientPoorFairGood4868
March 199281.0Structurally deficientPoorFairGood4868