I0010 over LA 427-ACADIAN TW/KCS RR


+30.42420, -91.15105
30°25'27" N, 91°09'04" 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:14.1 ft. [4.3 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]
Operating rating:58.9 tons [53.5 metric tons]
Inventory rating:34.9 tons [31.7 metric tons]
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 

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
December 201656.8FairSatisfactorySatisfactorySatisfactoryFO90600
December 201456.7FairSatisfactorySatisfactorySatisfactoryFO89640
December 201256.7FairSatisfactorySatisfactorySatisfactoryFO84720
December 201056.7FairSatisfactorySatisfactorySatisfactoryFO94200
December 200856.7FairSatisfactorySatisfactoryGoodFO89460
December 200653.7FairSatisfactoryGoodGoodFO80940
December 200453.7GoodGoodGoodGoodFO82140
December 200254.0GoodGoodGoodGoodFO76260
December 200054.0GoodGoodGoodGoodFO66016
December 199854.0GoodGoodVery GoodGoodFO66016
December 199657.0GoodGoodVery GoodGoodFO73576
December 199459.0GoodGoodVery GoodGoodFO60775
December 199259.0GoodGoodVery GoodGoodFO71925
December 199059.0GoodGoodVery GoodGoodFO71925