+29.90780, -90.08321
29°54'28" N, 90°04'60" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:LA0018 over HARVEY CANAL
Structure number:022600630202351
Location:.05 MI EAST OF LA 3018
Purpose:Carries highway and pedestrian walkway over waterway
Route classification:Minor Arterial (Urban) [16]
Length of largest span:95.1 ft. [29.0 m]
Total length:211.0 ft. [64.3 m]
Roadway width between curbs:29.9 ft. [9.1 m]
Deck width edge-to-edge:42.0 ft. [12.8 m]
Vertical clearance below bridge:13.1 ft. [4.0 m]
Skew angle:
Owner:State Highway Agency [01]
Year built:1975
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:MS 18 / HS 20 [5]
Number of main spans:5
Main spans material:Steel [3]
Main spans design:Movable - Bascule [16]
Deck type:Open Grating [3]

Latest Available Inspection: May 2016

Good/Fair/Poor Condition:Poor
Status:Open, no restriction [A]
Average daily traffic:12,900 [as of 2015]
Truck traffic:8% 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:Meets minimum tolerable limits to be left in place as is [4]
Water adequacy appraisal:Equal to present desirable criteria [8]
Roadway alignment appraisal:Better than present minimum criteria [7]
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 foundations determined to be stable for the assessed or calculated scour condition. [8]
Operating rating:46.9 tons [42.6 metric tons]
Inventory rating:30.9 tons [28.1 metric tons]
Sufficiency rating:45.2
Recommended work:Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. [31]
Estimated cost of work:$939,000

Previous Inspections

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
May 201645.2PoorFairFairPoorSD12900
May 201544.9PoorFairFairPoorSD12900
June 201444.7PoorFairPoorPoorSD13300
June 201343.6PoorFairFairPoorSD15300
June 201243.5PoorFairFairPoorSD15600
June 201156.8FairFairFairFair-16200
May 201053.9FairFairFairFair-18600
May 200867.2FairSatisfactorySatisfactoryGood-18500
November 200719.9PoorFairSeriousFairSD21500
November 200619.9PoorFairSeriousFairSD20900
June 200519.9PoorFairSeriousFairSD20200
June 200419.9PoorFairSeriousFairSD20800
April 200319.9PoorFairSeriousFairSD20100
May 200019.9PoorFairSeriousFairSD18091
May 199856.3FairSatisfactoryFairFair-17868
December 199658.4FairFairFairFair-11897
September 199558.7FairFairFairFair-11550
October 199458.8FairFairFairFair-11279
May 199344.7PoorFairPoorFairSD13946
May 199245.4PoorFairPoorFairSD12494

Element Data

Source: National Bridge Elements dataset, 2016 edition. This feature is experimental.
ElementUnitsQuantity1. Good2. Fair3. Poor4. Serious
Steel Girder/Beamlinear ft.716716000
Steel Stringerlinear ft.468468000
Reinforced Concrete Decksq. ft.3,1807802,40000
Steel Floor Beamlinear ft.400400000
Reinforced Concrete Pier Walllinear ft.100370
Reinforced Concrete Abutmentlinear ft.8074006
Open Grid Decksq. ft.2,3402,340000
Compression Jointlinear ft.60303000
Open Jointlinear ft.6060000
Movable Bearingeach20200
Bridge Rail
Other Material Bridge Raillinear ft.368036800