+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: July 2016

Good/Fair/Poor Condition:Poor
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:50.9 tons [46.3 metric tons]
Inventory rating:29.9 tons [27.2 metric tons]
Sufficiency rating:29.0
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. RatingConditionDeckSuperstructureSubstructureSD/FOADT
July 201629.0PoorSeriousSeriousFairSD1430
January 201628.8PoorSeriousSeriousFairSD1430
February 201528.8PoorSeriousSeriousFairSD1450
October 201328.7PoorSeriousSeriousFairSD1470
November 201228.7PoorSeriousSeriousFairSD1480
March 201128.7PoorSeriousSeriousSatisfactorySD1590
April 201028.6PoorSeriousSeriousFairSD1610
April 200967.5FairSatisfactoryGoodFair-1880
November 200866.5FairFairGoodFair-2000
November 200766.5FairFairGoodFair-1980
August 200664.4FairFairGoodFairFO2200
August 200564.4FairFairGoodFairFO2100
April 200464.4FairFairGoodFairFO2100
April 200264.4FairFairGoodFairFO2200
August 199963.1FairFairGoodFairFO2966
July 199765.6FairFairGoodFair-1094
May 199663.6PoorPoorGoodFairSD1062
March 199563.6PoorPoorGoodFairSD1031
June 199463.6PoorPoorGoodFairSD1006
May 199363.7PoorPoorGoodFairSD786
June 199263.6PoorPoorGoodFairSD899
February 199163.6FairFairGoodFair-899

Element Data

Source: National Bridge Elements dataset, 2016 edition. This feature is experimental.
ElementUnitsQuantity1. Good2. Fair3. Poor4. Serious
Reinforced Concrete Abutmentlinear ft.8080000
Timber Pileeach2551730
Pourable Jointlinear ft.160016000
Bridge Rail
Steel or Aluminum Bridge Raillinear ft.230230000
Reinforced Concrete Slabsq. ft.2,6452,645000