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:98.8 ft. [30.1 m]
Owner:State Highway Agency [01]
Year built:1968
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
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: March 2015 

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:Satisfactory [6 out of 9]
Substructure condition:Satisfactory [6 out of 9]
Structural appraisal:Equal to present minimum criteria [6]
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:67.3 tons [61.2 metric tons]
Inventory rating:39.6 tons [36.0 metric tons]
Evaluation:Functionally obsolete [2]
Sufficiency rating:76.0
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. ratingEvaluationDeckSuper.Sub.ADT
March 201576.0Functionally obsoleteSatisfactorySatisfactorySatisfactory19860
March 201376.0Functionally obsoleteSatisfactorySatisfactorySatisfactory23460
March 201176.0Functionally obsoleteSatisfactorySatisfactorySatisfactory24480
March 201065.0Functionally obsoleteSatisfactoryFairSatisfactory19674
February 200965.0Functionally obsoleteSatisfactoryFairSatisfactory23400
January 200863.0Functionally obsoleteFairFairFair22920
January 200747.0Structurally deficientFairFairPoor21120
April 200447.0Structurally deficientFairFairPoor20520
June 200044.7Structurally deficientFairFairPoor19674
June 199844.7Structurally deficientFairFairPoor17937
August 199573.7Functionally obsoleteGoodGoodGood17241
October 199373.7Functionally obsoleteGoodGoodGood17411
September 199173.7Functionally obsoleteGoodGoodGood15329