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LA0047 over BAYOU BIENVENUE

Map

Coordinates:
+29.98164, -89.94542
29°58'54" N, 89°56'44" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:LA0047 over BAYOU BIENVENUE
Structure number:023601480200001
Location:3.0 MI SOUTH OF I-10
Purpose:Carries highway over waterway
Route classification:Other Principal Arterial (Urban) [14]
Length of largest span:20.0 ft. [6.1 m]
Total length:299.9 ft. [91.4 m]
Roadway width between curbs:67.9 ft. [20.7 m]
Deck width edge-to-edge:92.2 ft. [28.1 m]
Owner:State Highway Agency [01]
Year built:1973
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:15
Main spans material:Concrete [1]
Main spans design:Slab [01]
Deck type:Concrete Cast-in-Place [1]

Latest Available Inspection: January 2017

Good/Fair/Poor Condition:Poor
Status:Open, no restriction [A]
Average daily traffic:28,100 [as of 2015]
Truck traffic:20% of total traffic
Deck condition:Poor [4 out of 9]
Superstructure condition:Poor [4 out of 9]
Substructure condition:Poor [4 out of 9]
Structural appraisal:Meets minimum tolerable limits to be left in place as is [4]
Deck geometry appraisal:Superior to present desirable criteria [9]
Water adequacy appraisal:Equal to present desirable criteria [8]
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 foundations determined to be stable for the assessed or calculated scour condition. [8]
Operating rating:33.6 tons [30.5 metric tons]
Inventory rating:26.1 tons [23.7 metric tons]
Sufficiency rating:41.7
Recommended work:Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. [31]
Estimated cost of work:$2,187,000

Previous Inspections

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
January 201741.7PoorPoorPoorPoorSD28100
January 201624.7PoorPoorPoorSeriousSD28100
January 201524.7PoorPoorPoorSeriousSD27600
February 201335.0PoorFairFairSeriousSD28500
February 201235.0PoorFairFairSeriousSD28500
February 201164.0FairSatisfactorySatisfactoryFair-28500
January 201064.0FairSatisfactorySatisfactoryFair-19400
December 200863.0FairFairSatisfactoryFair-19800
October 200748.0PoorGoodFairPoorSD24000
March 200648.0PoorGoodFairPoorSD24000
March 200548.0PoorGoodFairPoorSD25700
October 200264.0FairSatisfactorySatisfactoryFair-27700
February 199975.0GoodGoodVery GoodGood-31152
February 199775.0GoodGoodVery GoodGood-30810
October 199475.0GoodGoodVery GoodGood-29469
October 199275.0GoodGoodVery GoodGood-23102
November 199075.0GoodGoodVery GoodGood-23102

Element Data

Source: National Bridge Elements dataset, 2016 edition. This feature is experimental.
ElementUnitsQuantity1. Good2. Fair3. Poor4. Serious
Substructure
Reinforced Concrete Abutmentlinear ft.150143520
Prestressed Concrete Pileeach144014400
Reinforced Concrete Pier Caplinear ft.1,050072923388
Joints
Pourable Jointlinear ft.1,19001,115750
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.600006000
Deck
Reinforced Concrete Slabsq. ft.21,00015,75005,2500