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LA0001 over CO CANAL LOCKPORT

Map

Coordinates:
+29.64466, -90.54452
29°38'41" N, 90°32'40" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:LA0001 over CO CANAL LOCKPORT
Structure number:022900640601401
Location:.1 MI NORTH OF LA 655
Purpose:Carries highway over waterway
Route classification:Minor Arterial (Urban) [16]
Length of largest span:160.1 ft. [48.8 m]
Total length:410.1 ft. [125.0 m]
Roadway width between curbs:28.2 ft. [8.6 m]
Deck width edge-to-edge:38.7 ft. [11.8 m]
Vertical clearance above deck:17.4 ft. [5.3 m]
Vertical clearance below bridge:49.9 ft. [15.2 m]
Owner:State Highway Agency [01]
Year built:1959
Historic significance:Bridge is eligible for the National Register of Historic Places [2]
Design load:MS 18 / HS 20 [5]
Main span material:Steel [3]
Main span design:Movable - Lift [15]
Deck type:Open Grating [3]

Latest Available Inspection: June 2016

Good/Fair/Poor Condition:Poor
Status:Open, no restriction [A]
Average daily traffic:12,200 [as of 2015]
Truck traffic:6% of total traffic
Deck condition:Satisfactory [6 out of 9]
Superstructure condition:Serious [3 out of 9]
Substructure condition:Satisfactory [6 out of 9]
Structural appraisal:Basically intolerable requiring high priority of corrrective action [3]
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: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:In place and functioning [2]
Scour condition:Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Operating rating:42.9 tons [39.0 metric tons]
Inventory rating:26.0 tons [23.6 metric tons]
Sufficiency rating:15.5
Recommended work:Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. [31]
Estimated cost of work:$1,716,000

Previous Inspections

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
June 201615.5PoorSatisfactorySeriousSatisfactorySD12200
June 201532.2PoorSatisfactoryPoorSatisfactorySD12200
July 201432.2PoorSatisfactoryPoorSatisfactorySD16900
August 201332.2PoorSatisfactoryPoorSatisfactorySD16900
August 201153.2FairSatisfactorySatisfactorySatisfactory-23800
September 200953.2FairSatisfactorySatisfactorySatisfactory-22100
September 200751.2FairSatisfactorySatisfactorySatisfactory-37900
March 200551.2FairSatisfactorySatisfactorySatisfactory-13000
February 200353.2FairSatisfactorySatisfactorySatisfactory-14600
July 199851.2FairSatisfactorySatisfactorySatisfactory-11276
March 199653.2FairSatisfactorySatisfactorySatisfactory-10948
March 199453.2FairSatisfactorySatisfactorySatisfactory-10524
March 199261.0FairSatisfactorySatisfactorySatisfactory-4840

Element Data

Source: National Bridge Elements dataset, 2016 edition. This feature is experimental.
ElementUnitsQuantity1. Good2. Fair3. Poor4. Serious
Superstructure
Steel Girder/Beamlinear ft.314314000
Steel Stringerlinear ft.1,2561,256000
Steel Floor Beamlinear ft.320003200
Substructure
Reinforced Concrete Pier Walllinear ft.77000
Reinforced Concrete Abutmentlinear ft.9090000
Prestressed Concrete Pileeach2828000
Steel Pier Caplinear ft.160160000
Reinforced Concrete Pier Caplinear ft.240240000
Deck
Open Grid Decksq. ft.4,7104,710000
Joints
Pourable Jointlinear ft.300030000
Open Jointlinear ft.6060000
Bearings
Fixed Bearingeach43001
Bridge Rail
Steel or Aluminum Bridge Raillinear ft.314314000
Reinforced Concrete Bridge Raillinear ft.428428000
Deck
Reinforced Concrete Slabsq. ft.6,42006,42000