I0010 over LA 427-ACADIAN TW/KCS RR


+30.42422, -91.15040
30°25'27" N, 91°09'01" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:I0010 over LA 427-ACADIAN TW/KCS RR
Structure number:611704501002352
Location:2.5 M W of I-10&I-12
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 2016

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:90,600 [as of 2015]
Truck traffic:21% 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]
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 2016FairSatisfactorySatisfactorySatisfactory9060056.8
December 2014FairSatisfactorySatisfactorySatisfactory8964056.7
December 2012FairSatisfactorySatisfactorySatisfactory8472056.7
December 2010FairSatisfactorySatisfactorySatisfactory9420056.7
December 2008FairSatisfactorySatisfactoryGood8946056.7
December 2006FairSatisfactoryGoodGood8094053.7
December 2004FairSatisfactoryGoodGood8214053.7
December 2002FairSatisfactoryGoodGood7626053.2
December 2000FairSatisfactoryGoodGood6601653.2
December 1998FairSatisfactoryVery GoodGood6601653.2
December 1996FairSatisfactoryVery GoodGood7357656.2
December 1994FairSatisfactoryVery GoodGood6077558.2
December 1992FairSatisfactoryVery GoodGood7192558.2
December 1990FairSatisfactoryVery GoodGood7192558.2

Element Data

Source: National Bridge Elements dataset, 2018 edition. This feature is experimental.
Steel Girder/Beamlinear ft.27,370027,36901
Steel Protective Coatingsq. ft.250,1010250,10100
Reinforced Concrete Decksq. ft.166,0950166,047480
Steel Floor Beamlinear ft.6006000
Steel Protective Coatingsq. ft.900090000
Reinforced Concrete Columneach2480234140
Reinforced Concrete Abutmentlinear ft.1451300150
Prestressed Concrete Pileeach1414000
Reinforced Concrete Pier Caplinear ft.3,0652,96668310
Assembly without Seal Jointlinear ft.2,758002,7580
Movable Bearingeach504050400
Steel Protective Coatingsq. ft.6,55206,55200
Fixed Bearingeach504050400
Steel Protective Coatingsq. ft.4,36804,36800
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.6,2104,34701,8630