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LA0433 over BAYOU LIBERTY

This bridge is no longer in the current National Bridge Inventory database, and has likely been demolished or abandoned.

Map

Coordinates:
+30.26834, -89.84466
30°16'06" N, 89°50'41" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:LA0433 over BAYOU LIBERTY
Structure number:625208522102481
Location:LA 433 LOG MI 2.48
Purpose:Carries highway over waterway
Route classification:Collector (Urban) [17]
Length of largest span:120.1 ft. [36.6 m]
Total length:212.0 ft. [64.6 m]
Roadway width between curbs:23.0 ft. [7.0 m]
Deck width edge-to-edge:29.9 ft. [9.1 m]
Vertical clearance below bridge:3280.7 ft. [999.9 m]
Owner:State Highway Agency [01]
Year built:1981
Historic significance:Historical significance is not determinable at this time [4]
Design load:MS 18 / HS 20 [5]
Number of main spans:7
Main spans material:Steel [3]
Main spans design:Movable - Swing [17]
Deck type:Steel plate (includes orthotropic) [5]
Wearing surface:Wood or Timber [7]

Latest Available Inspection: February 2010

Good/Fair/Poor Condition:Poor
Status:Posted for load [P]
Average daily traffic:4,800 [as of 2009]
Truck traffic:1% of total traffic
Deck condition:Poor [4 out of 9]
Superstructure condition:Serious [3 out of 9]
Substructure condition:Poor [4 out of 9]
Structural appraisal:Basically intolerable requiring high priority of corrrective action [3]
Deck geometry appraisal:Basically intolerable requiring high priority of replacement [2]
Water adequacy appraisal:Equal to present minimum criteria [6]
Roadway alignment appraisal:Basically intolerable requiring high priority of corrrective action [3]
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:None present but re-evaluation suggested [5]
Scour condition:Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Sufficiency rating:2.0
Recommended work:Other structural work, including hydraulic replacements. [38]
Estimated cost of work:$943,000

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
February 2010PoorPoorSeriousPoor48002.0
February 2000FairGoodFairSatisfactory361949.8
February 1992FairSatisfactorySatisfactorySatisfactory267755.0