LA3046 over R/R,CITY STS,LA 611


+29.96961, -90.15651
29°58'11" N, 90°09'23" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:LA3046 over R/R,CITY STS,LA 611
Structure number:022604230100481
Location:.4 MI NORTH OF US 90
Purpose:Carries highway overpass over highway and railroad
Route classification:Other Principal Arterial (Urban) [14]
Length of largest span:75.1 ft. [22.9 m]
Total length:2322.0 ft. [707.7 m]
Roadway width between curbs:56.1 ft. [17.1 m]
Deck width edge-to-edge:65.9 ft. [20.1 m]
Vertical clearance below bridge:23.6 ft. [7.2 m]
Owner:State Highway Agency [01]
Year built:1957
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:42
Main spans material:Steel [3]
Main spans design:Stringer/Multi-beam or girder [02]
Deck type:Concrete Cast-in-Place [1]

Latest Available Inspection: October 2016

Good/Fair/Poor Condition:Poor
Status:Open, no restriction [A]
Average daily traffic:52,300 [as of 2015]
Truck traffic:5% of total traffic
Deck condition:Fair [5 out of 9]
Superstructure condition:Serious [3 out of 9]
Substructure condition:Good [7 out of 9]
Structural appraisal:Basically intolerable requiring high priority of corrrective action [3]
Deck geometry appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Underclearances appraisal:Equal to present desirable criteria [8]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Scour condition:Bridge not over waterway. [N]
Operating rating:40.3 tons [36.6 metric tons]
Inventory rating:31.0 tons [28.2 metric tons]
Sufficiency rating:31.2
Recommended work:Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. [31]
Estimated cost of work:$12,678,000

Previous Inspections

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
October 201631.2PoorFairSeriousGoodSD52300
September 201531.2PoorFairSeriousGoodSD52300
March 201431.8PoorFairSeriousGoodSD52100
March 201348.8PoorFairPoorSatisfactorySD51100
February 201264.8FairFairFairSatisfactory-51100
February 201164.8FairFairFairSatisfactory-46100
January 201065.8FairSatisfactoryFairSatisfactory-46700
January 200965.8FairSatisfactoryFairFair-46800
December 200748.8PoorFairPoorSatisfactorySD53200
January 200748.8PoorFairPoorSatisfactorySD53200
June 200548.8PoorFairPoorSatisfactorySD53200
April 200448.8PoorFairPoorSatisfactorySD52400
April 200348.8PoorFairPoorSatisfactorySD52400
April 200042.2PoorFairPoorSatisfactorySD53178
January 199842.2PoorFairPoorSatisfactorySD51416
September 199642.2PoorFairPoorSatisfactorySD60397
March 199542.2PoorFairPoorSatisfactorySD59213
February 199442.2PoorFairPoorSatisfactorySD51870
May 199268.2FairFairSatisfactoryGood-58793

Element Data

Source: National Bridge Elements dataset, 2016 edition. This feature is experimental.
ElementUnitsQuantity1. Good2. Fair3. Poor4. Serious
Steel Girder/Beamlinear ft.24,79315,6468,4257220
Reinforced Concrete Decksq. ft.136,896102,672034,2240
Reinforced Concrete Abutmentlinear ft.7676000
Reinforced Concrete Pileeach8585000
Reinforced Concrete Pier Caplinear ft.2,5502,550000
Open Jointlinear ft.2,5202,5100100
Movable Bearingeach7000700
Fixed Bearingeach786786000
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.4,6414,641000