Share:

LOCAL ROAD over DRAINAGE BAYOU

Map 

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

Facts 

Name:LOCAL ROAD over DRAINAGE BAYOU
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 2017 

Good/Fair/Poor Condition:Fair
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:Meets minimum tolerable limits to be left in place as is [4]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Channel protection:Bank protection is in need of minor repairs. River control devices and embankment protection have a little minor damage. Banks and/or channel have minor amounts of drift. [7]
Scour condition:Bridge with "unknown" foundation that has not been evaluated for scour. [U]
Operating rating:45.9 tons [41.7 metric tons]
Inventory rating:27.9 tons [25.4 metric tons]
Sufficiency rating:72.0
Recommended work:Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. [31]
Estimated cost of work:$217,000

Previous Inspections 

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
May 201772.0FairSatisfactorySatisfactoryFair-120
May 201569.7FairSatisfactorySatisfactoryFairFO120
June 201369.7FairSatisfactorySatisfactoryFairFO120
June 201153.7PoorSatisfactorySatisfactoryPoor-120
June 200955.7PoorGoodSatisfactoryPoor-120
June 200773.7FairGoodGoodFair-120
July 200569.2FairGoodGoodFair-120
September 200369.2FairGoodVery GoodFair-120
October 200169.2FairGoodVery GoodFair-120
December 199969.2FairGoodVery GoodFair-120
December 199783.2FairGoodVery GoodSatisfactory-120
August 199571.7FairGoodSatisfactoryFair-120
July 199371.7FairGoodSatisfactoryFair-120
May 199279.7FairGoodSatisfactorySatisfactory-120