I0010 over LA 427-ACADIAN TW/KCS RR


+30.42507, -91.16010
30°25'30" N, 91°09'36" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:I0010 over LA 427-ACADIAN TW/KCS RR
Structure number:611704501002351
Purpose:Carries highway over highway and railroad
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:107.9 ft. [32.9 m]
Total length:3068.1 ft. [935.1 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:13.1 ft. [4.0 m]
Owner:State Highway Agency [01]
Year built:1964
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:58
Main spans material:Steel [3]
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: December 2018

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:76,350 [as of 2016]
Truck traffic:9% of total traffic
Deck condition:Satisfactory [6 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:Basically intolerable requiring high priority of corrrective action [3]
Underclearances appraisal:Basically intolerable requiring high priority of replacement [2]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Channel protection:Bank protection is in need of minor repairs. River control devices and embankment protection have a little minor damage. Banks and/or channel have minor amounts of drift. [7]
Scour condition:Bridge not over waterway. [N]
Sufficiency rating:56.8
Recommended work:Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. [31]
Estimated cost of work:$11,964,000

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
December 2018FairSatisfactorySatisfactorySatisfactory7635056.8
December 2016FairSatisfactorySatisfactorySatisfactory9060056.8
December 2014FairSatisfactorySatisfactorySatisfactory8964056.7
December 2012FairSatisfactorySatisfactorySatisfactory8472056.7
December 2010FairSatisfactorySatisfactorySatisfactory9420056.7
December 2008FairSatisfactorySatisfactoryGood8946056.7
December 2006FairSatisfactoryGoodGood8094053.7
December 2004GoodGoodGoodGood8214053.7
December 2002GoodGoodGoodGood7626054.0
December 2000GoodGoodGoodGood6601654.0
December 1998GoodGoodVery GoodGood6601654.0
December 1996GoodGoodVery GoodGood7357657.0
December 1994GoodGoodVery GoodGood6077559.0
December 1992GoodGoodVery GoodGood7192559.0
December 1990GoodGoodVery GoodGood7192559.0

Element Data

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.
Steel Girder/Beamlinear ft.27,252027,25200
Steel Protective Coatingsq. ft.190,7290190,72900
Reinforced Concrete Decksq. ft.173,394173,3271660
Steel Floor Beamlinear ft.6006000
Steel Protective Coatingsq. ft.900090000
Reinforced Concrete Columneach1401400
Reinforced Concrete Abutmentlinear ft.1451300150
Prestressed Concrete Pileeach1414000
Reinforced Concrete Pier Caplinear ft.3,1032,98441150
Assembly without Seal Jointlinear ft.2,795002,7950
Movable Bearingeach499049900
Steel Protective Coatingsq. ft.6,48706,48700
Fixed Bearingeach499049900
Steel Protective Coatingsq. ft.4,32504,32500
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.6,3506,350000