+30.49884, -91.08837
30°29'56" N, 91°05'18" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.


Name:LA0946 over ROBERTS CANAL
Structure number:611708170801041
Location:5.46M NORTH OF LA 37
Purpose:Carries highway over waterway
Route classification:Minor Arterial (Urban) [16]
Length of largest span:20.0 ft. [6.1 m]
Total length:160.1 ft. [48.8 m]
Roadway width between curbs:82.0 ft. [25.0 m]
Deck width edge-to-edge:84.6 ft. [25.8 m]
Skew angle:
Owner:State Highway Agency [01]
Year built:1992
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:MS 18 / HS 20 [5]
Number of main spans:8
Main spans material:Concrete [1]
Main spans design:Slab [01]
Deck type:Concrete Cast-in-Place [1]

Latest Available Inspection: April 2017

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:25,900 [as of 2015]
Deck condition:Good [7 out of 9]
Superstructure condition:Good [7 out of 9]
Substructure condition:Satisfactory [6 out of 9]
Structural appraisal:Equal to present minimum criteria [6]
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:Bank is beginning to slump. River control devices and embankment protection have widespread minor damage. There is minor stream bed movement evident. Debris is restricting the channel slightly. [6]
Scour condition:Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Operating rating:74.8 tons [68.0 metric tons]
Inventory rating:44.9 tons [40.8 metric tons]
Sufficiency rating:78.0

Previous Inspections

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
April 201778.0FairGoodGoodSatisfactory-25900
April 201578.0FairGoodGoodSatisfactory-25900
May 201378.0FairGoodGoodSatisfactory-12700
June 201179.0FairGoodGoodSatisfactory-13400
June 200980.0GoodVery GoodGoodGood-14500
July 200780.0GoodGoodVery GoodVery Good-15700
July 200580.0GoodVery GoodVery GoodVery Good-14900
July 200380.0GoodVery GoodVery GoodVery Good-14900
July 200180.0GoodVery GoodVery GoodVery Good-13576
July 199980.0GoodVery GoodVery GoodVery Good-10020
July 199780.0GoodVery GoodVery GoodVery Good-10020
July 199580.0GoodVery GoodVery GoodVery Good-10137
July 199380.0GoodVery GoodVery GoodVery Good-9490
August 199263.6FairSatisfactoryVery GoodVery GoodFO9111
August 199063.6FairSatisfactoryVery GoodVery GoodFO9111