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LOCAL ROAD over WHITE BAYOU

Map

Coordinates:
+30.63833, -91.12000
30°38'18" N, 91°07'12" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
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 2016

Good/Fair/Poor Condition:Fair
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 is scour critical; bridge foundations determined to be unstable. [3]
Sufficiency rating:64.5

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
April 2016FairGoodGoodFair145064.5
April 2014FairGoodGoodFair145064.3
May 2012FairGoodGoodFair145064.3
May 2010FairGoodGoodSatisfactory145075.4
June 2008FairGoodGoodSatisfactory145075.4
June 2006GoodGoodVery GoodGood145075.4
May 2004GoodGoodVery GoodGood145075.4
June 2002PoorGoodGoodSerious145033.2
August 2000PoorGoodGoodPoor145048.0
July 1998FairGoodGoodSatisfactory145078.4
July 1996GoodGoodVery GoodVery Good145076.2
August 1993GoodGoodVery GoodVery Good145075.1
November 1991FairGoodVery GoodSatisfactory145076.1