+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: December 2015 

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:66.3 tons [60.3 metric tons]
Inventory rating:39.6 tons [36.0 metric tons]
Sufficiency rating:63.0

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
December 201563.0Not deficientFairSatisfactoryFair5000
December 201464.0Not deficientSatisfactorySatisfactoryFair5000
December 201364.0Not deficientSatisfactorySatisfactoryFair5000
December 201264.0Not deficientSatisfactorySatisfactoryFair8800
December 201075.0Not deficientSatisfactorySatisfactorySatisfactory8700
January 200975.0Not deficientSatisfactorySatisfactorySatisfactory11300
December 200770.0Functionally obsoleteFairSatisfactorySatisfactory11900
December 200670.0Functionally obsoleteFairSatisfactorySatisfactory11400
August 200570.0Functionally obsoleteFairSatisfactorySatisfactory10800
July 200458.0Functionally obsoleteFairFairSatisfactory10300
July 200358.0Functionally obsoleteFairFairSatisfactory5700
December 200058.0Functionally obsoleteFairFairSatisfactory4598
October 199875.0Not deficientSatisfactoryGoodSatisfactory4598
May 199751.8Not deficientSatisfactoryGoodSatisfactory4323
January 199651.8Not deficientSatisfactoryGoodSatisfactory3441
February 199550.8Not deficientSatisfactoryGoodSatisfactory3407
March 199454.3Not deficientSatisfactoryGoodSatisfactory1012
March 199352.6Not deficientSatisfactoryGoodSatisfactory1278
May 199252.6Not deficientSatisfactoryGoodSatisfactory1278