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LA0047 over BAYOU BIENVENUE

Map 

Coordinates:
+29.98164, -89.94542
29°58'54" N, 89°56'44" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.

Facts 

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 2016 

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:Serious [3 out of 9]
Structural appraisal:Basically intolerable requiring high priority of corrrective action [3]
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]
Evaluation:Structurally deficient [1]
Sufficiency rating:24.7
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. ratingEvaluationDeckSuper.Sub.ADT
January 201624.7Structurally deficientPoorPoorSerious28100
January 201524.7Structurally deficientPoorPoorSerious27600
February 201335.0Structurally deficientFairFairSerious28500
February 201235.0Structurally deficientFairFairSerious28500
February 201164.0Not deficientSatisfactorySatisfactoryFair28500
January 201064.0Not deficientSatisfactorySatisfactoryFair19400
December 200863.0Not deficientFairSatisfactoryFair19800
October 200748.0Structurally deficientGoodFairPoor24000
March 200648.0Structurally deficientGoodFairPoor24000
March 200548.0Structurally deficientGoodFairPoor25700
October 200264.0Not deficientSatisfactorySatisfactoryFair27700
February 199975.0Not deficientGoodVery GoodGood31152
February 199775.0Not deficientGoodVery GoodGood30810
October 199475.0Not deficientGoodVery GoodGood29469
October 199275.0Not deficientGoodVery GoodGood23102
November 199075.0Not deficientGoodVery GoodGood23102