LA0023 over I C WATERWAY


+29.87168, -90.00984
29°52'18" N, 90°00'35" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.


Name:LA0023 over I C WATERWAY
Structure number:023800620200432
Location:.2 MI SOUTH OF LA 3017
Purpose:Carries highway and pedestrian walkway over waterway
Route classification:Other Principal Arterial (Urban) [14]
Length of largest span:149.9 ft. [45.7 m]
Total length:2558.2 ft. [779.7 m]
Roadway width between curbs:28.2 ft. [8.6 m]
Deck width edge-to-edge:33.8 ft. [10.3 m]
Vertical clearance above deck:16.1 ft. [4.9 m]
Vertical clearance below bridge:99.1 ft. [30.2 m]
Owner:State Highway Agency [01]
Year built:1968
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: December 2016 

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:19,860 [as of 2015]
Truck traffic:6% of total traffic
Deck condition:Satisfactory [6 out of 9]
Superstructure condition:Fair [5 out of 9]
Substructure condition:Satisfactory [6 out of 9]
Structural appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Deck geometry appraisal:Basically intolerable requiring high priority of corrrective action [3]
Water adequacy appraisal:Equal to present desirable criteria [8]
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 foundations determined to be stable for the assessed or calculated scour condition. [8]
Operating rating:67.9 tons [61.7 metric tons]
Inventory rating:39.9 tons [36.3 metric tons]
Sufficiency rating:65.0
Recommended work:Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. [31]
Estimated cost of work:$9,975,000

Previous Inspections 

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
December 201665.0FairSatisfactoryFairSatisfactoryFO19860
March 201576.0FairSatisfactorySatisfactorySatisfactoryFO19860
March 201376.0FairSatisfactorySatisfactorySatisfactoryFO23460
March 201176.0FairSatisfactorySatisfactorySatisfactoryFO24480
March 201065.0FairSatisfactoryFairSatisfactoryFO19674
February 200965.0FairSatisfactoryFairSatisfactoryFO23400
January 200863.0FairFairFairFairFO22920
January 200747.0PoorFairFairPoorSD21120
April 200447.0PoorFairFairPoorSD20520
June 200044.7PoorFairFairPoorSD19674
June 199844.7PoorFairFairPoorSD17937
August 199573.7GoodGoodGoodGoodFO17241
October 199373.7GoodGoodGoodGoodFO17411
September 199173.7GoodGoodGoodGoodFO15329