+29.97216, -90.04553
29°58'20" N, 90°02'44" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.


Name:LA0039 over N O P B RR (ROBERTSON ST
Structure number:023600463101201
Location:.6 MI EAST OF LA 3021
Purpose:Carries highway over highway and railroad
Route classification:Other Principal Arterial (Urban) [14]
Length of largest span:84.0 ft. [25.6 m]
Total length:1327.2 ft. [404.5 m]
Roadway width between curbs:27.9 ft. [8.5 m]
Deck width edge-to-edge:36.7 ft. [11.2 m]
Vertical clearance below bridge:11.2 ft. [3.4 m]
Owner:State Highway Agency [01]
Year built:1962
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:19
Main spans material:Steel [3]
Main spans design:Stringer/Multi-beam or girder [02]
Deck type:Concrete Cast-in-Place [1]

Latest Available Inspection: February 2015 

Status:Open, no restriction [A]
Average daily traffic:20,700 [as of 2014]
Truck traffic:3% of total traffic
Deck condition:Satisfactory [6 out of 9]
Superstructure condition:Satisfactory [6 out of 9]
Substructure condition:Good [7 out of 9]
Structural appraisal:Equal to present minimum criteria [6]
Deck geometry appraisal:Basically intolerable requiring high priority of corrrective action [3]
Underclearances appraisal:Basically intolerable requiring high priority of replacement [2]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Scour condition:Bridge not over waterway. [N]
Operating rating:58.4 tons [53.1 metric tons]
Inventory rating:35.6 tons [32.4 metric tons]
Evaluation:Functionally obsolete [2]
Sufficiency rating:77.0
Recommended work:Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. [31]
Estimated cost of work:$5,175,000

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
February 201577.0Functionally obsoleteSatisfactorySatisfactoryGood20700
February 201377.0Functionally obsoleteSatisfactorySatisfactoryGood18060
February 201177.0Functionally obsoleteSatisfactorySatisfactoryGood18300
February 200981.0Functionally obsoleteSatisfactorySatisfactoryGood22500
November 200681.0Functionally obsoleteSatisfactorySatisfactoryGood25680
February 2004100.0Not deficientSatisfactorySatisfactoryGood23100
September 200188.9Not deficientSatisfactorySatisfactoryGood17145
September 199686.9Not deficientSatisfactorySatisfactoryGood17145
September 199486.9Not deficientSatisfactorySatisfactoryGood16157
August 199286.9Not deficientSatisfactorySatisfactoryGood25471
May 199086.9Not deficientSatisfactorySatisfactoryGood25471