+29.96357, -90.02640
29°57'49" N, 90°01'35" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:LA0046 over SISTER STREET
Structure number:023600460202341
Location:2.34 MI SOUTH OF LA 39
Purpose:Carries highway and pedestrian walkway over highway
Route classification:Other Principal Arterial (Urban) [14]
Length of largest span:17.1 ft. [5.2 m]
Total length:52.2 ft. [15.9 m]
Roadway width between curbs:47.9 ft. [14.6 m]
Deck width edge-to-edge:60.0 ft. [18.3 m]
Vertical clearance below bridge:13.5 ft. [4.1 m]
Owner:State Highway Agency [01]
Year built:1960
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:Concrete [1]
Main spans design:Slab [01]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Bituminous [6]

Latest Available Inspection: June 2016

Good/Fair/Poor Condition:Poor
Status:Open, no restriction [A]
Average daily traffic:21,800 [as of 2015]
Truck traffic:20% of total traffic
Deck condition:Fair [5 out of 9]
Superstructure condition:Fair [5 out of 9]
Substructure condition:Poor [4 out of 9]
Structural appraisal:Meets minimum tolerable limits to be left in place as is [4]
Deck geometry appraisal:Basically intolerable requiring high priority of replacement [2]
Underclearances appraisal:Basically intolerable requiring high priority of replacement [2]
Roadway alignment appraisal:Better than present minimum criteria [7]
Pier/abutment protection:Navigation protection not required [1]
Scour condition:Bridge not over waterway. [N]
Operating rating:42.9 tons [39.0 metric tons]
Inventory rating:26.0 tons [23.6 metric tons]
Sufficiency rating:25.5
Recommended work:Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. [31]
Estimated cost of work:$351,000

Previous Inspections

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
June 201625.5PoorFairFairPoorSD21800
June 201525.2PoorFairFairPoorSD21800
July 201425.2PoorFairFairPoorSD22000
August 201325.2PoorFairFairPoorSD22300
September 201225.2PoorFairFairPoorSD28100
September 201125.2PoorFairFairPoorSD26200
November 201025.2PoorFairFairPoorSD26000
December 200928.0PoorFairPoorPoorSD15500
November 200826.4PoorFairPoorPoorSD17500
October 200723.2PoorPoorPoorPoorSD25800
June 200623.2PoorPoorPoorPoorSD25200
March 200523.2PoorPoorPoorPoorSD24900
June 200242.3PoorPoorFairFairSD21000
June 199854.0PoorPoorFairFairSD18949
September 199651.6PoorPoorFairFairSD24541
September 199552.2PoorPoorSatisfactoryFairSD24060
October 199452.4PoorPoorSatisfactoryFairSD23473
September 199352.1PoorPoorSatisfactoryFairSD24411
August 199247.0PoorPoorSatisfactoryFairSD43104
October 199050.0FairFairSatisfactoryFairFO43104

Element Data

Source: National Bridge Elements dataset, 2016 edition. This feature is experimental.
ElementUnitsQuantity1. Good2. Fair3. Poor4. Serious
Reinforced Concrete Pier Walllinear ft.70070
Reinforced Concrete Abutmentlinear ft.1262140650
Bridge Rail
Steel or Aluminum Bridge Raillinear ft.100100000
Reinforced Concrete Slabsq. ft.3,1503,150000