+29.96919, -90.02731
29°58'09" N, 90°01'38" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.


Structure number:023600463102341
Location:LA 39 @ POLAND AVENUE
Purpose:Carries highway over waterway
Route classification:Other Principal Arterial (Urban) [14]
Length of largest span:361.9 ft. [110.3 m]
Total length:1533.2 ft. [467.3 m]
Roadway width between curbs:56.1 ft. [17.1 m]
Deck width edge-to-edge:62.0 ft. [18.9 m]
Vertical clearance above deck:15.1 ft. [4.6 m]
Vertical clearance below bridge:159.8 ft. [48.7 m]
Owner:State Highway Agency [01]
Year built:1957
Historic significance:Historical significance is not determinable at this time [4]
Design load:MS 18 / HS 20 [5]
Number of main spans:3
Main spans material:Steel [3]
Main spans design:Movable - Lift [15]
Deck type:Open Grating [3]

Latest Available Inspection: February 2016 

Status:Open, no restriction [A]
Average daily traffic:31,300 [as of 2015]
Deck condition:Good [7 out of 9]
Superstructure condition:Good [7 out of 9]
Substructure condition:Satisfactory [6 out of 9]
Structural appraisal:Equal to present minimum criteria [6]
Deck geometry appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
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:39.6 tons [36.0 metric tons]
Inventory rating:28.7 tons [26.1 metric tons]
Sufficiency rating:84.1

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
February 201684.1Not deficientGoodGoodSatisfactory31300
February 201484.1Not deficientGoodGoodSatisfactory31300
February 201372.3Not deficientGoodFairSatisfactory31400
February 201272.2Not deficientGoodFairSatisfactory32300
February 201172.0Not deficientGoodFairSatisfactory33300
February 201071.8Not deficientSatisfactoryFairSatisfactory34200
February 200971.3Not deficientSatisfactoryFairSatisfactory37300
January 200865.3Not deficientSatisfactoryFairSatisfactory54200