+30.39000, -90.90333
30°23'24" N, 90°54'12" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.


Structure number:611730234905421
Location:4 MI.NE LA 42,I-10 I
Purpose:Carries highway over waterway
Route classification:Local (Rural) [09]
Length of largest span:19.0 ft. [5.8 m]
Total length:57.1 ft. [17.4 m]
Roadway width between curbs:25.9 ft. [7.9 m]
Deck width edge-to-edge:27.2 ft. [8.3 m]
Owner:County Highway Agency [02]
Year built:1970
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:3
Main spans material:Concrete [1]
Main spans design:Slab [01]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Bituminous [6]

Latest Available Inspection: May 2015 

Status:Posted for load [P]
Average daily traffic:120 [as of 1975]
Deck condition:Satisfactory [6 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:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Water adequacy appraisal:Basically intolerable requiring high priority of corrrective action [3]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Channel protection:Bank and embankment protection is severely undermined. River control devices have severe damage. Large deposits of debris are in the channel. [4]
Scour condition:Bridge with "unknown" foundation that has not been evaluated for scour. [U]
Operating rating:45.5 tons [41.4 metric tons]
Inventory rating:27.7 tons [25.2 metric tons]
Evaluation:Functionally obsolete [2]
Sufficiency rating:69.7
Recommended work:Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. [31]
Estimated cost of work:$217,000

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
May 201569.7Functionally obsoleteSatisfactorySatisfactoryFair120
June 201369.7Functionally obsoleteSatisfactorySatisfactoryFair120
June 201153.7Not deficientSatisfactorySatisfactoryPoor120
June 200955.7Not deficientGoodSatisfactoryPoor120
June 200773.7Not deficientGoodGoodFair120
July 200569.2Not deficientGoodGoodFair120
September 200369.2Not deficientGoodVery GoodFair120
October 200169.2Not deficientGoodVery GoodFair120
December 199969.2Not deficientGoodVery GoodFair120
December 199783.2Not deficientGoodVery GoodSatisfactory120
August 199571.7Not deficientGoodSatisfactoryFair120
July 199371.7Not deficientGoodSatisfactoryFair120
May 199279.7Not deficientGoodSatisfactorySatisfactory120