LA0609 over LA 609 OVER I-20


+32.45093, -91.58210
32°27'03" N, 91°34'56" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:LA0609 over LA 609 OVER I-20
Structure number:054208421002891
Location:LA 609 OVER I-20
Purpose:Carries highway over highway
Route classification:Major Collector (Rural) [07]
Length of largest span:123.0 ft. [37.5 m]
Total length:397.0 ft. [121.0 m]
Roadway width between curbs:40.0 ft. [12.2 m]
Deck width edge-to-edge:43.0 ft. [13.1 m]
Vertical clearance below bridge:16.4 ft. [5.0 m]
Owner:State Highway Agency [01]
Year built:1971
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:Steel continuous [4]
Main spans design:Girder and floorbeam system [03]
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:1,400 [as of 2016]
Truck traffic:21% of total traffic
Deck condition:Satisfactory [6 out of 9]
Superstructure condition:Satisfactory [6 out of 9]
Substructure condition:Good [7 out of 9]
Structural appraisal:Equal to present minimum criteria [6]
Deck geometry appraisal:Better than present minimum criteria [7]
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:95.0

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
October 2017FairSatisfactorySatisfactoryGood140095.0
October 2015FairGoodSatisfactoryGood126095.0
January 2014GoodGoodGoodGood124094.0
January 2012GoodGoodGoodGood98095.0
January 2010GoodGoodGoodGood109095.0
October 2007GoodGoodGoodGood105095.0
September 2005GoodGoodGoodGood108095.0
March 2003GoodGoodGoodGood99095.0
August 2000GoodGoodGoodGood100695.0
August 1998GoodGoodGoodGood100695.0
July 1996GoodGoodGoodGood122195.0
June 1994GoodGoodGoodGood117395.0
May 1992GoodGoodGoodGood46195.0

Element Data

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.
Steel Girder/Beamlinear ft.1,98501,98410
Steel Protective Coatingsq. ft.26,262013,13113,1310
Reinforced Concrete Decksq. ft.15,88014,6804757250
Reinforced Concrete Columneach99000
Reinforced Concrete Abutmentlinear ft.96861000
Reinforced Concrete Pier Caplinear ft.126120600
Other Jointlinear ft.228228000
Movable Bearingeach2002000
Steel Protective Coatingsq. ft.5805800
Fixed Bearingeach2002000
Steel Protective Coatingsq. ft.5805800
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.800800000