LA0583 over LA 583 OVER I-20


+32.45598, -91.69622
32°27'22" N, 91°41'46" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:LA0583 over LA 583 OVER I-20
Structure number:054203400200001
Location:LA 583 OVER I-20
Purpose:Carries highway over highway
Route classification:Minor Collector (Rural) [08]
Length of largest span:69.9 ft. [21.3 m]
Total length:242.1 ft. [73.8 m]
Roadway width between curbs:24.0 ft. [7.3 m]
Deck width edge-to-edge:29.5 ft. [9.0 m]
Vertical clearance below bridge:16.4 ft. [5.0 m]
Owner:State Highway Agency [01]
Year built:1969
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:4
Main spans material:Prestressed concrete [5]
Main spans design:Stringer/Multi-beam or girder [02]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Monolithic Concrete (concurrently placed with structural deck) [1]

Latest Available Inspection: October 2017

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:1,570 [as of 2016]
Truck traffic:19% of total traffic
Deck condition:Good [7 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:Meets minimum tolerable limits to be left in place as is [4]
Underclearances appraisal:Superior to present desirable criteria [9]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Scour condition:Bridge not over waterway. [N]
Sufficiency rating:78.5

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
October 2017FairGoodSatisfactorySatisfactory157078.5
October 2015GoodGoodGoodGood142078.4
January 2014GoodGoodGoodGood142078.4
January 2012GoodGoodGoodGood120081.4
January 2010GoodGoodGoodGood167081.4
October 2007GoodGoodGoodGood160081.4
August 2005GoodGoodGoodGood168081.4
March 2003GoodGoodGoodGood143065.6
September 2000GoodGoodGoodGood364063.3
August 1998GoodGoodGoodGood364063.3
July 1996GoodGoodGoodGood115165.7
June 1994GoodGoodGoodGood93665.7
May 1992GoodGoodGoodGood79165.8

Element Data

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.
Prestressed Concrete Girder/Beamlinear ft.960959010
Reinforced Concrete Decksq. ft.5,8085,808000
Reinforced Concrete Columneach66000
Reinforced Concrete Abutmentlinear ft.7271010
Reinforced Concrete Pier Caplinear ft.7567800
Open Jointlinear ft.120120000
Elastomeric Bearingeach3232000
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.480480000