Share:

LA0039 over N O P B RR (ROBERTSON ST

Map

Coordinates:
+29.97216, -90.04553
29°58'20" N, 90°02'44" W

Facts

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 2017

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:20,700 [as of 2015]
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]
Pier/abutment protection:Navigation protection not required [1]
Scour condition:Bridge not over waterway. [N]
Operating rating:58.9 tons [53.5 metric tons]
Inventory rating:36.0 tons [32.7 metric tons]
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. RatingConditionDeckSuperstructureSubstructureSD/FOADT
February 201777.0FairSatisfactorySatisfactoryGoodFO20700
February 201577.0FairSatisfactorySatisfactoryGoodFO20700
February 201377.0FairSatisfactorySatisfactoryGoodFO18060
February 201177.0FairSatisfactorySatisfactoryGoodFO18300
February 200981.0FairSatisfactorySatisfactoryGoodFO22500
November 200681.0FairSatisfactorySatisfactoryGoodFO25680
February 2004100.0FairSatisfactorySatisfactoryGood-23100
September 200188.9FairSatisfactorySatisfactoryGood-17145
September 199686.9FairSatisfactorySatisfactoryGood-17145
September 199486.9FairSatisfactorySatisfactoryGood-16157
August 199286.9FairSatisfactorySatisfactoryGood-25471
May 199086.9FairSatisfactorySatisfactoryGood-25471

Element Data

Source: National Bridge Elements dataset, 2016 edition. This feature is experimental.
ElementUnitsQuantity1. Good2. Fair3. Poor4. Serious
Superstructure
Steel Girder/Beamlinear ft.6,4986,498000
Deck
Reinforced Concrete Decksq. ft.29,241029,24100
Substructure
Reinforced Concrete Pier Walllinear ft.9393000
Reinforced Concrete Abutmentlinear ft.5454000
Reinforced Concrete Pileeach3838000
Reinforced Concrete Pier Caplinear ft.513513000
Joints
Pourable Jointlinear ft.351035100
Assembly without Seal Jointlinear ft.51340510800
Bearings
Movable Bearingeach2280148800
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.2,6702,670000
Deck
Reinforced Concrete Slabsq. ft.6,80406,80400