Share:

LA0023 over BAYOU BARRIERE

Map 

Coordinates:
+29.86767, -90.00305
29°52'04" N, 90°00'11" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.

Facts 

Name:LA0023 over BAYOU BARRIERE
Structure number:023800620201142
Location:.3 MI SOUTH OF LA 428
Purpose:Carries highway over waterway
Route classification:Other Principal Arterial (Urban) [14]
Length of largest span:29.9 ft. [9.1 m]
Total length:89.9 ft. [27.4 m]
Roadway width between curbs:28.5 ft. [8.7 m]
Deck width edge-to-edge:33.5 ft. [10.2 m]
Owner:State Highway Agency [01]
Year built:1955
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:3
Main spans material:Steel [3]
Main spans design:Stringer/Multi-beam or girder [02]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Bituminous [6]

Latest Available Inspection: April 2015 

Status:Open, no restriction [A]
Average daily traffic:19,860 [as of 2015]
Truck traffic:13% of total traffic
Deck condition:Good [7 out of 9]
Superstructure condition:Satisfactory [6 out of 9]
Substructure condition:Fair [5 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:Better than present minimum criteria [7]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Channel protection:Bank is beginning to slump. River control devices and embankment protection have widespread minor damage. There is minor stream bed movement evident. Debris is restricting the channel slightly. [6]
Scour condition:Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Operating rating:72.3 tons [65.7 metric tons]
Inventory rating:43.6 tons [39.6 metric tons]
Evaluation:Functionally obsolete [2]
Sufficiency rating:70.0
Recommended work:Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. [31]
Estimated cost of work:$456,000

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
April 201570.0Functionally obsoleteGoodSatisfactoryFair19860
August 201370.0Functionally obsoleteGoodSatisfactoryFair23460
September 201181.0Functionally obsoleteGoodSatisfactorySatisfactory24960
November 201070.0Functionally obsoleteGoodFairSatisfactory24480
December 200970.0Functionally obsoleteGoodFairSatisfactory19674
December 200870.0Functionally obsoleteGoodFairSatisfactory23400
November 200770.0Functionally obsoleteGoodFairSatisfactory22920
August 200670.0Functionally obsoleteGoodFairSatisfactory21120
September 200570.0Functionally obsoleteGoodFairSatisfactory20820
May 200470.0Functionally obsoleteGoodFairSatisfactory20520
July 200370.0Functionally obsoleteGoodFairSatisfactory20220
May 200056.5Functionally obsoleteGoodFairSatisfactory19674
May 199855.5Functionally obsoleteSatisfactoryFairSatisfactory17937
June 199566.5Functionally obsoleteGoodSatisfactoryGood17241
August 199366.5Functionally obsoleteSatisfactorySatisfactorySatisfactory17411
September 199166.5Functionally obsoleteSatisfactorySatisfactorySatisfactory15329