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LA0020 over BAYOU CHEVREVIL

Map

Coordinates:
+29.91061, -90.72970
29°54'38" N, 90°43'47" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:LA0020 over BAYOU CHEVREVIL
Structure number:614700650700391
Location:LA0020
Purpose:Carries highway over waterway
Route classification:Minor Arterial (Rural) [06]
Length of largest span:44.9 ft. [13.7 m]
Total length:349.1 ft. [106.4 m]
Roadway width between curbs:24.3 ft. [7.4 m]
Deck width edge-to-edge:28.5 ft. [8.7 m]
Owner:State Highway Agency [01]
Year built:1959
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:M 13.5 / H 15 [2]
Main span material:Steel [3]
Main span design:Stringer/Multi-beam or girder [02]
Deck type:Open Grating [3]
Wearing surface:Bituminous [6]

Latest Available Inspection: August 2018

Good/Fair/Poor Condition:Poor
Status:Open, no restriction [A]
Average daily traffic:8,100 [as of 2016]
Truck traffic:18% of total traffic
Deck condition:Fair [5 out of 9]
Superstructure condition:Fair [5 out of 9]
Substructure condition:Poor [4 out of 9]
Structural appraisal:Meets minimum tolerable limits to be left in place as is [4]
Deck geometry appraisal:Basically intolerable requiring high priority of replacement [2]
Water adequacy appraisal:Equal to present desirable criteria [8]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Channel protection:Banks are protected or well vegetated. River control devices such as spur dikes and embankment protection are not required or are in a stable condition. [8]
Pier/abutment protection:Navigation protection not required [1]
Scour condition:Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Sufficiency rating:29.5
Recommended work:Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. [31]
Estimated cost of work:$1,477,000

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
August 2018PoorFairFairPoor810029.5
December 2017FairFairFairFair810045.5
December 2015FairFairFairFair790045.2
December 2013FairFairFairFair760045.2
March 2011FairSatisfactorySatisfactoryFair730046.2
March 2009FairSatisfactorySatisfactorySatisfactory710051.2
March 2007FairGoodSatisfactorySatisfactory620048.2
March 2005FairGoodSatisfactorySatisfactory630048.2
March 2003FairGoodSatisfactorySatisfactory580048.2
March 2002FairGoodSatisfactorySatisfactory606748.2
March 2001FairGoodSatisfactorySatisfactory606742.4
March 2000FairFairSatisfactorySatisfactory547549.4
March 1999FairSatisfactorySatisfactorySatisfactory547531.4
March 1998FairSatisfactorySatisfactorySatisfactory547531.4
March 1997FairSatisfactorySatisfactorySatisfactory531631.4
March 1995FairSatisfactorySatisfactorySatisfactory508531.4
March 1993FairSatisfactorySatisfactorySatisfactory588031.4
April 1992FairSatisfactorySatisfactorySatisfactory588031.4

Element Data

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.
ElementUnitsQuantity1-Good2-Fair3-Poor4-Serious
Superstructure
Steel Girder/Beamlinear ft.3202883200
Steel Protective Coatingsq. ft.3,00002,968032
Substructure
Steel Columneach841636266
Steel Protective Coatingsq. ft.3,40301,1201,979304
Reinforced Concrete Abutmentlinear ft.64032320
Reinforced Concrete Pier Caplinear ft.44839710410
Deck
Open Grid Decksq. ft.960009600
Steel Protective Coatingsq. ft.4,399004,3990
Joints
Pourable Jointlinear ft.384000384
Open Jointlinear ft.48002424
Bearings
Fixed Bearingeach1616000
Steel Protective Coatingsq. ft.139139000
Bridge Rail
Steel or Aluminum Bridge Raillinear ft.7207000200
Steel Protective Coatingsq. ft.3,600003,200400
Deck
Reinforced Concrete Slabsq. ft.8,9608,75802011
Wearing Surfacessq. ft.3,8403,78002832