+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:51.8 ft. [15.8 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 2015 

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]
Scour condition:Bridge not over waterway. [N]
Operating rating:42.6 tons [38.7 metric tons]
Inventory rating:25.7 tons [23.4 metric tons]
Evaluation:Structurally deficient [1]
Sufficiency rating:25.2
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. ratingEvaluationDeckSuper.Sub.ADT
June 201525.2Structurally deficientFairFairPoor21800
July 201425.2Structurally deficientFairFairPoor22000
August 201325.2Structurally deficientFairFairPoor22300
September 201225.2Structurally deficientFairFairPoor28100
September 201125.2Structurally deficientFairFairPoor26200
November 201025.2Structurally deficientFairFairPoor26000
December 200928.0Structurally deficientFairPoorPoor15500
November 200826.4Structurally deficientFairPoorPoor17500
October 200723.2Structurally deficientPoorPoorPoor25800
June 200623.2Structurally deficientPoorPoorPoor25200
March 200523.2Structurally deficientPoorPoorPoor24900
June 200242.3Structurally deficientPoorFairFair21000
June 199854.0Structurally deficientPoorFairFair18949
September 199651.6Structurally deficientPoorFairFair24541
September 199552.2Structurally deficientPoorSatisfactoryFair24060
October 199452.4Structurally deficientPoorSatisfactoryFair23473
September 199352.1Structurally deficientPoorSatisfactoryFair24411
August 199247.0Structurally deficientPoorSatisfactoryFair43104
October 199050.0Functionally obsoleteFairSatisfactoryFair43104