I0020 over SPRING ST/LA 1


+32.51039, -93.74211
32°30'37" N, 93°44'32" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.


Name:I0020 over SPRING ST/LA 1
Structure number:040904510119175
Location:I-20 RAMP TO LA 1
Purpose:Carries highway over highway and railroad
Route classification:Principal Arterial - Interstate (Urban) [11]
Total length:807.1 ft. [246.0 m]
Roadway width between curbs:30.2 ft. [9.2 m]
Deck width edge-to-edge:35.4 ft. [10.8 m]
Vertical clearance below bridge:22.6 ft. [6.9 m]
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: July 2017 

Good/Fair/Poor Condition:Fair
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:Fair [5 out of 9]
Substructure condition:Fair [5 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:Basically intolerable requiring high priority of replacement [2]
Roadway alignment appraisal:Equal to present minimum criteria [6]
Scour condition:Bridge not over waterway. [N]
Operating rating:52.9 tons [48.1 metric tons]
Inventory rating:33.9 tons [30.8 metric tons]
Sufficiency rating:76.3
Recommended work:Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. [31]
Estimated cost of work:$3,201,000

Previous Inspections 

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
July 201776.3FairFairFairFairFO9620
July 201576.2FairFairFairFairFO9620
July 201476.2FairFairFairFairFO13020
August 201376.2FairFairFairFairFO12550
February 201376.2FairFairFairFairFO12080
March 201277.2FairSatisfactoryFairSatisfactoryFO10470
February 201177.2FairSatisfactoryFairSatisfactoryFO10470
March 201077.2FairSatisfactoryFairSatisfactoryFO10280
January 200977.2FairSatisfactoryFairSatisfactoryFO9740
March 200877.2FairVery GoodFairGoodFO9460
February 200777.2FairVery GoodFairGoodFO9410
March 200677.2FairVery GoodFairGoodFO9200
February 200577.2FairVery GoodFairGoodFO8650
March 200477.2FairVery GoodFairGoodFO8080
February 200377.2FairVery GoodFairGoodFO7760
May 200177.2FairVery GoodFairGoodFO8100
April 200078.2FairFairFairGoodFO8100
April 199978.2FairFairFairGoodFO8100
March 199878.2FairFairFairGoodFO8100
January 199778.2FairFairFairGoodFO3051
June 199579.0FairFairFairGoodFO6779
June 199479.0FairFairFairGoodFO6626
April 199379.0FairFairFairGoodFO4868
March 199278.0FairFairFairGoodFO4868