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LA0039 over LAKE BORGNE CANAL

Map

Coordinates:
+29.90115, -89.89102
29°54'04" N, 89°53'28" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:LA0039 over LAKE BORGNE CANAL
Structure number:024400463208671
Location:2.2 MI NORTH OF LA 1249
Purpose:Carries highway over waterway
Route classification:Other Principal Arterial (Urban) [14]
Length of largest span:170.0 ft. [51.8 m]
Total length:2420.1 ft. [737.6 m]
Roadway width between curbs:69.9 ft. [21.3 m]
Deck width edge-to-edge:72.8 ft. [22.2 m]
Skew angle:15°
Owner:State Highway Agency [01]
Year built:1981
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:MS 18 / HS 20 [5]
Main span material:Steel [3]
Main span design:Stringer/Multi-beam or girder [02]
Deck type:Concrete Cast-in-Place [1]

Latest Available Inspection: October 2016

Good/Fair/Poor Condition:Good
Status:Open, no restriction [A]
Average daily traffic:4,600 [as of 2015]
Truck traffic:3% of total traffic
Deck condition:Good [7 out of 9]
Superstructure condition:Good [7 out of 9]
Substructure condition:Good [7 out of 9]
Structural appraisal:Better than present minimum criteria [7]
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: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:Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Operating rating:72.8 tons [66.2 metric tons]
Inventory rating:42.9 tons [39.0 metric tons]
Sufficiency rating:97.8

Previous Inspections

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
October 201697.8GoodGoodGoodGood-4600
September 201597.8FairGoodSatisfactorySatisfactory-4600
October 201486.5FairGoodFairSatisfactory-4700
September 201386.6FairGoodFairSatisfactory-4400
December 201286.5FairGoodFairGood-4600
October 201186.6FairGoodFairGood-4500
January 201185.7FairSatisfactoryFairGood-6100
October 200985.7FairSatisfactoryFairGood-6100
August 200797.3FairSatisfactorySatisfactorySatisfactory-5700
February 200596.8FairSatisfactorySatisfactorySatisfactory-6900
January 200396.5FairSatisfactorySatisfactorySatisfactory-7400
August 199992.9FairSatisfactorySatisfactorySatisfactory-10165
December 199691.0GoodGoodVery GoodVery Good-10065
November 199493.3GoodGoodVery GoodVery Good-9722
August 199294.1GoodGoodVery GoodVery Good-8623
May 199094.1GoodGoodVery GoodVery Good-8623

Element Data

Source: National Bridge Elements dataset, 2016 edition. This feature is experimental.
ElementUnitsQuantity1. Good2. Fair3. Poor4. Serious
Superstructure
Steel Girder/Beamlinear ft.1,7101,710000
Prestressed Concrete Girder/Beamlinear ft.22,24011,110011,1300
Deck
Reinforced Concrete Decksq. ft.191,550102,51089,04000
Substructure
Reinforced Concrete Abutmentlinear ft.240240000
Prestressed Concrete Pileeach5050000
Reinforced Concrete Pileeach150150000
Reinforced Concrete Pier Caplinear ft.2,2402,240000
Joints
Compression Jointlinear ft.7208000640
Assembly with Sealeach5605350250
Bearings
Elastomeric Bearingeach560560000
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.9,5809,580000