+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