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LA0024 over CO. CANAL (BOURG)

Map

Coordinates:
+29.55373, -90.60500
29°33'13" N, 90°36'18" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:LA0024 over CO. CANAL (BOURG)
Structure number:025500659101191
Location:1.20 MI W OF LA 24
Purpose:Carries highway and pedestrian walkway over waterway
Route classification:Minor Arterial (Urban) [16]
Length of largest span:65.9 ft. [20.1 m]
Total length:126.0 ft. [38.4 m]
Roadway width between curbs:24.0 ft. [7.3 m]
Deck width edge-to-edge:29.9 ft. [9.1 m]
Vertical clearance above deck:14.1 ft. [4.3 m]
Vertical clearance below bridge:49.2 ft. [15.0 m]
Owner:State Highway Agency [01]
Year built:1951
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:Movable - Lift [15]
Deck type:Open Grating [3]

Latest Available Inspection: May 2018

Good/Fair/Poor Condition:Poor
Status:Posted for load [P]
Average daily traffic:10,000 [as of 2016]
Truck traffic:11% of total traffic
Deck condition:Fair [5 out of 9]
Superstructure condition:Poor [4 out of 9]
Substructure condition:Good [7 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:Better than present minimum criteria [7]
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]
Pier/abutment protection:In place and functioning [2]
Scour condition:Bridge with "unknown" foundation that has not been evaluated for scour. [U]
Sufficiency rating:22.0
Recommended work:Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. [31]
Estimated cost of work:$607,000

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
May 2018PoorFairPoorGood1000022.0
May 2017PoorFairPoorGood1000022.0
May 2016PoorFairPoorGood1000022.0
May 2015PoorFairPoorGood1000021.9
June 2014PoorFairPoorGood1000021.9
June 2013PoorFairPoorGood1090021.9
June 2012PoorFairPoorGood1090021.9
June 2011PoorFairPoorGood1090021.9
June 2010FairFairFairGood890036.9
July 2009FairFairFairGood890036.9
July 2008FairSatisfactorySatisfactoryGood920047.9
August 2007PoorFairPoorGood940021.9
August 2005PoorFairPoorGood990021.9
April 2004PoorFairPoorGood1590021.9
June 2002PoorFairPoorGood1210021.9
November 1998PoorFairPoorGood949721.9
November 1997FairSatisfactoryFairSatisfactory949737.9
October 1996FairSatisfactoryFairSatisfactory770137.9
September 1995FairSatisfactoryFairSatisfactory858837.9
November 1994FairSatisfactoryFairSatisfactory837937.9
November 1993FairSatisfactoryFairSatisfactory671438.2
August 1992FairSatisfactoryFairSatisfactory1141437.9
October 1991FairSatisfactoryFairSatisfactory1141437.9

Element Data

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.
ElementUnitsQuantity1-Good2-Fair3-Poor4-Serious
Superstructure
Steel Girder/Beamlinear ft.351165175110
Steel Protective Coatingsq. ft.2,324522470752580
Steel Stringerlinear ft.33070230300
Steel Protective Coatingsq. ft.1,30000325975
Deck
Reinforced Concrete Decksq. ft.2,3582,12823000
Superstructure
Steel Floor Beamlinear ft.35401808490
Steel Protective Coatingsq. ft.2,52501,250600675
Substructure
Steel Column Tower/Trestlelinear ft.1501014000
Steel Protective Coatingsq. ft.3,640600003,040
Reinforced Concrete Pier Walllinear ft.8080000
Reinforced Concrete Abutmentlinear ft.8080000
Reinforced Concrete Pier Caplinear ft.8080000
Deck
Open Grid Decksq. ft.1,5181,513500
Steel Protective Coatingsq. ft.6,534006,5340
Joints
Open Jointlinear ft.9691005
Bearings
Fixed Bearingeach1616000
Bridge Rail
Steel or Aluminum Bridge Raillinear ft.244244000