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LOCAL ROAD over WHITE BAYOU

Map 

Coordinates:
+30.63735, -91.12794
30°38'14" N, 91°07'41" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.

Facts 

Name:LOCAL ROAD over WHITE BAYOU
Structure number:611730383910721
Location:ZACHARY, LOWER ZACHARY RD
Purpose:Carries highway over waterway
Route classification:Local (Rural) [09]
Length of largest span:19.0 ft. [5.8 m]
Total length:96.1 ft. [29.3 m]
Roadway width between curbs:24.0 ft. [7.3 m]
Deck width edge-to-edge:25.3 ft. [7.7 m]
Skew angle:30°
Owner:County Highway Agency [02]
Year built:1970
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:M 18 / H 20 [4]
Number of main spans:5
Main spans material:Wood or timber [7]
Main spans design:Stringer/Multi-beam or girder [02]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Bituminous [6]

Latest Available Inspection: April 2014 

Status:Posted for load [P]
Average daily traffic:1,450 [as of 1975]
Deck condition:Good [7 out of 9]
Superstructure condition:Good [7 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:Meets minimum tolerable limits to be left in place as is [4]
Water adequacy appraisal:Better than present minimum criteria [7]
Roadway alignment appraisal:Better than present minimum criteria [7]
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:41.6 tons [37.8 metric tons]
Inventory rating:29.7 tons [27.0 metric tons]
Sufficiency rating:64.3

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
April 201464.3Not deficientGoodGoodFair1450
May 201264.3Not deficientGoodGoodFair1450
May 201075.4Not deficientGoodGoodSatisfactory1450
June 200875.4Not deficientGoodGoodSatisfactory1450
June 200675.4Not deficientGoodVery GoodGood1450
May 200475.4Not deficientGoodVery GoodGood1450
June 200233.2Structurally deficientGoodGoodSerious1450
August 200048.0Structurally deficientGoodGoodPoor1450
July 199878.4Not deficientGoodGoodSatisfactory1450
July 199676.2Not deficientGoodVery GoodVery Good1450
August 199375.1Not deficientGoodVery GoodVery Good1450
November 199176.1Not deficientGoodVery GoodSatisfactory1450