+29.88260, -90.43236
29°52'57" N, 90°25'56" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.


Name:LA0631 over DRAIN CANAL
Structure number:024508450605631
Location:.6 MI EAST OF LA 306
Purpose:Carries highway over waterway
Route classification:Collector (Urban) [17]
Length of largest span:19.0 ft. [5.8 m]
Total length:113.9 ft. [34.7 m]
Roadway width between curbs:24.6 ft. [7.5 m]
Deck width edge-to-edge:28.5 ft. [8.7 m]
Owner:State Highway Agency [01]
Year built:1962
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:6
Main spans material:Concrete [1]
Main spans design:Slab [01]
Deck type:Concrete Precast Panels [2]

Latest Available Inspection: January 2016 

Status:Posted for load [P]
Average daily traffic:1,430 [as of 2015]
Truck traffic:18% of total traffic
Deck condition:Serious [3 out of 9]
Superstructure condition:Serious [3 out of 9]
Substructure condition:Fair [5 out of 9]
Structural appraisal:Basically intolerable requiring high priority of corrrective action [3]
Deck geometry appraisal:Meets minimum tolerable limits to be left in place as is [4]
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:50.5 tons [45.9 metric tons]
Inventory rating:29.7 tons [27.0 metric tons]
Evaluation:Structurally deficient [1]
Sufficiency rating:28.8
Recommended work:Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. [31]
Estimated cost of work:$556,000

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
January 201628.8Structurally deficientSeriousSeriousFair1430
February 201528.8Structurally deficientSeriousSeriousFair1450
October 201328.7Structurally deficientSeriousSeriousFair1470
November 201228.7Structurally deficientSeriousSeriousFair1480
March 201128.7Structurally deficientSeriousSeriousSatisfactory1590
April 201028.6Structurally deficientSeriousSeriousFair1610
April 200967.5Not deficientSatisfactoryGoodFair1880
November 200866.5Not deficientFairGoodFair2000
November 200766.5Not deficientFairGoodFair1980
August 200664.4Functionally obsoleteFairGoodFair2200
August 200564.4Functionally obsoleteFairGoodFair2100
April 200464.4Functionally obsoleteFairGoodFair2100
April 200264.4Functionally obsoleteFairGoodFair2200
August 199963.1Functionally obsoleteFairGoodFair2966
July 199765.6Not deficientFairGoodFair1094
May 199663.6Structurally deficientPoorGoodFair1062
March 199563.6Structurally deficientPoorGoodFair1031
June 199463.6Structurally deficientPoorGoodFair1006
May 199363.7Structurally deficientPoorGoodFair786
June 199263.6Structurally deficientPoorGoodFair899
February 199163.6Not deficientFairGoodFair899