+30.00458, -90.02631
30°00'16" N, 90°01'35" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.


Structure number:023604509008511
Location:2.5 MI EAST OF LA 39
Purpose:Carries highway over highway and waterway
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:299.9 ft. [91.4 m]
Total length:6715.2 ft. [2046.7 m]
Roadway width between curbs:80.1 ft. [24.4 m]
Deck width edge-to-edge:96.1 ft. [29.3 m]
Vertical clearance below bridge:114.8 ft. [35.0 m]
Owner:State Highway Agency [01]
Year built:1966
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:23
Main spans material:Steel continuous [4]
Main spans design:Stringer/Multi-beam or girder [02]
Deck type:Concrete Cast-in-Place [1]

Latest Available Inspection: September 2015 

Status:Open, no restriction [A]
Average daily traffic:107,900 [as of 2015]
Truck traffic:20% of total traffic
Deck condition:Good [7 out of 9]
Superstructure condition:Fair [5 out of 9]
Substructure condition:Good [7 out of 9]
Structural appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Deck geometry appraisal:Meets minimum tolerable limits to be left in place as is [4]
Underclearances appraisal:Basically intolerable requiring high priority of replacement [2]
Water adequacy appraisal:Equal to present desirable criteria [8]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Channel protection:Banks are protected or well vegetated. River control devices such as spur dikes and embankment protection are not required or are in a stable condition. [8]
Scour condition:Countermeasures have been installed to mitigate an existing problem with scour. [7]
Operating rating:59.4 tons [54.0 metric tons]
Inventory rating:35.6 tons [32.4 metric tons]
Evaluation:Functionally obsolete [2]
Sufficiency rating:76.0
Recommended work:Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. [31]
Estimated cost of work:$52,377,000

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
September 201576.0Functionally obsoleteGoodFairGood107900
October 201476.0Functionally obsoleteGoodFairGood107800
September 201376.0Functionally obsoleteGoodFairGood107600
November 201276.0Functionally obsoleteGoodFairGood116200
October 201176.0Functionally obsoleteGoodFairGood116200
October 200987.0Functionally obsoleteSatisfactorySatisfactoryGood76400
August 200787.0Functionally obsoleteSatisfactorySatisfactoryGood112600
October 200187.0Functionally obsoleteSatisfactorySatisfactoryGood131073
December 199887.0Functionally obsoleteSatisfactoryGoodGood131073
20000.0Not applicable---13107
August 199586.0Functionally obsoleteSatisfactoryGoodGood128655
August 199287.0Functionally obsoleteGoodVery GoodVery Good142286
July 198787.0Functionally obsoleteSatisfactoryGoodGood142286