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 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: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:52.5 tons [47.7 metric tons]
Inventory rating:33.7 tons [30.6 metric tons]
Evaluation:Functionally obsolete [2]
Sufficiency rating:76.2
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. ratingEvaluationDeckSuper.Sub.ADT
July 201576.2Functionally obsoleteFairFairFair9620
July 201476.2Functionally obsoleteFairFairFair13020
August 201376.2Functionally obsoleteFairFairFair12550
February 201376.2Functionally obsoleteFairFairFair12080
March 201277.2Functionally obsoleteSatisfactoryFairSatisfactory10470
February 201177.2Functionally obsoleteSatisfactoryFairSatisfactory10470
March 201077.2Functionally obsoleteSatisfactoryFairSatisfactory10280
January 200977.2Functionally obsoleteSatisfactoryFairSatisfactory9740
March 200877.2Functionally obsoleteVery GoodFairGood9460
February 200777.2Functionally obsoleteVery GoodFairGood9410
March 200677.2Functionally obsoleteVery GoodFairGood9200
February 200577.2Functionally obsoleteVery GoodFairGood8650
March 200477.2Functionally obsoleteVery GoodFairGood8080
February 200377.2Functionally obsoleteVery GoodFairGood7760
May 200177.2Functionally obsoleteVery GoodFairGood8100
April 200078.2Functionally obsoleteFairFairGood8100
April 199978.2Functionally obsoleteFairFairGood8100
March 199878.2Functionally obsoleteFairFairGood8100
January 199778.2Functionally obsoleteFairFairGood3051
June 199579.0Functionally obsoleteFairFairGood6779
June 199479.0Functionally obsoleteFairFairGood6626
April 199379.0Functionally obsoleteFairFairGood4868
March 199278.0Functionally obsoleteFairFairGood4868