+29.90680, -89.97521
29°54'24" N, 89°58'31" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:LA0406 over DRAIN CANAL
Structure number:023604090200591
Location:.59 MI EAST OF LA 407
Purpose:Carries highway over waterway
Route classification:Collector (Urban) [17]
Length of largest span:35.1 ft. [10.7 m]
Total length:105.0 ft. [32.0 m]
Roadway width between curbs:48.2 ft. [14.7 m]
Deck width edge-to-edge:50.9 ft. [15.5 m]
Owner:State Highway Agency [01]
Year built:1954
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:M 13.5 / H 15 [2]
Number of main spans:3
Main spans material:Steel [3]
Main spans design:Stringer/Multi-beam or girder [02]
Deck type:Concrete Cast-in-Place [1]

Latest Available Inspection: November 2016

Good/Fair/Poor Condition:Fair
Status:Posted for load [P]
Average daily traffic:5,000 [as of 2015]
Truck traffic:7% of total traffic
Deck condition:Fair [5 out of 9]
Superstructure condition:Satisfactory [6 out of 9]
Substructure condition:Fair [5 out of 9]
Structural appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
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:66.9 tons [60.8 metric tons]
Inventory rating:39.9 tons [36.3 metric tons]
Sufficiency rating:63.0

Previous Inspections

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
November 201663.0FairFairSatisfactoryFair-5000
December 201563.0FairFairSatisfactoryFair-5000
December 201464.0FairSatisfactorySatisfactoryFair-5000
December 201364.0FairSatisfactorySatisfactoryFair-5000
December 201264.0FairSatisfactorySatisfactoryFair-8800
December 201075.0FairSatisfactorySatisfactorySatisfactory-8700
January 200975.0FairSatisfactorySatisfactorySatisfactory-11300
December 200770.0FairFairSatisfactorySatisfactoryFO11900
December 200670.0FairFairSatisfactorySatisfactoryFO11400
August 200570.0FairFairSatisfactorySatisfactoryFO10800
July 200458.0FairFairFairSatisfactoryFO10300
July 200358.0FairFairFairSatisfactoryFO5700
December 200058.0FairFairFairSatisfactoryFO4598
October 199875.0FairSatisfactoryGoodSatisfactory-4598
May 199751.8FairSatisfactoryGoodSatisfactory-4323
January 199651.8FairSatisfactoryGoodSatisfactory-3441
February 199550.8FairSatisfactoryGoodSatisfactory-3407
March 199454.3FairSatisfactoryGoodSatisfactory-1012
March 199352.6FairSatisfactoryGoodSatisfactory-1278
May 199252.6FairSatisfactoryGoodSatisfactory-1278

Element Data

Source: National Bridge Elements dataset, 2016 edition. This feature is experimental.
ElementUnitsQuantity1. Good2. Fair3. Poor4. Serious
Steel Girder/Beamlinear ft.1,3651,365000
Reinforced Concrete Decksq. ft.5,2505,250000
Reinforced Concrete Abutmentlinear ft.1027715100
Prestressed Concrete Pileeach1616000
Reinforced Concrete Pier Caplinear ft.100010000
Compression Jointlinear ft.100037063
Assembly without Seal Jointlinear ft.100100000
Movable Bearingeach7800780
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.210210000