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LA0001 over BAYOU MOREAU

Map

Coordinates:
+30.95337, -91.75500
30°57'12" N, 91°45'18" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:LA0001 over BAYOU MOREAU
Structure number:613900520403531
Location:2.3 M N of LA 970
Purpose:Carries highway over waterway
Route classification:Minor Arterial (Rural) [06]
Length of largest span:19.0 ft. [5.8 m]
Total length:96.1 ft. [29.3 m]
Roadway width between curbs:40.0 ft. [12.2 m]
Deck width edge-to-edge:42.0 ft. [12.8 m]
Owner:State Highway Agency [01]
Year built:1957
Year reconstructed:1978
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:M 13.5 / H 15 [2]
Number of main spans:5
Main spans material:Concrete [1]
Main spans design:Slab [01]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Bituminous [6]

Latest Available Inspection: September 2017

Good/Fair/Poor Condition:Poor
Status:Posted for load [P]
Average daily traffic:470 [as of 2016]
Truck traffic:12% of total traffic
Deck condition:Poor [4 out of 9]
Superstructure condition:Poor [4 out of 9]
Substructure condition:Serious [3 out of 9]
Structural appraisal:Basically intolerable requiring high priority of corrrective action [3]
Deck geometry appraisal:Equal to present desirable criteria [8]
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 is scour critical; bridge foundations determined to be unstable. [3]
Sufficiency rating:30.8
Recommended work:Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. [31]
Estimated cost of work:$478,000

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
September 2017PoorPoorPoorSerious47030.8
September 2015PoorPoorPoorSerious63030.1
September 2013PoorPoorPoorCritical89028.9
August 2011PoorSatisfactorySatisfactoryPoor161064.5
July 2010PoorSatisfactorySatisfactoryPoor340061.6
July 2009PoorSatisfactory-Poor340061.6
July 2008FairSatisfactory-Fair340078.9
July 2007FairSatisfactoryGoodFair380078.4
July 2006FairSatisfactoryGoodFair380078.4
July 2005FairGoodGoodFair380078.4
July 2003FairGoodGoodSatisfactory440089.4
July 2001GoodGoodVery GoodGood421989.6
July 1999GoodGoodVery GoodGood375685.9
July 1997GoodGoodVery GoodGood375691.1
July 1995GoodVery GoodVery GoodGood223892.7
July 1993GoodVery GoodVery GoodVery Good203592.9
July 1991GoodVery GoodVery GoodVery Good235692.6

Element Data

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.
ElementUnitsQuantity1-Good2-Fair3-Poor4-Serious
Substructure
Timber Abutmentlinear ft.75373800
Timber Pileeach632514213
Reinforced Concrete Pier Caplinear ft.172164350
Joints
Pourable Jointlinear ft.172000172
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.1921801200
Deck
Reinforced Concrete Slabsq. ft.4,0944,088060
Wearing Surfacessq. ft.3,8403,840000