LA3021 over SOUTHERN R R


+29.98570, -90.05819
29°59'09" N, 90°03'29" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:LA3021 over SOUTHERN R R
Structure number:023604190100812
Location:.3 MI SOUTH OF I-610
Purpose:Carries highway and pedestrian walkway over highway and railroad
Route classification:Other Principal Arterial (Urban) [14]
Length of largest span:67.9 ft. [20.7 m]
Total length:1212.0 ft. [369.4 m]
Roadway width between curbs:33.1 ft. [10.1 m]
Deck width edge-to-edge:44.0 ft. [13.4 m]
Vertical clearance below bridge:17.4 ft. [5.3 m]
Owner:State Highway Agency [01]
Year built:1961
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:2
Main spans material:Steel [3]
Main spans design:Stringer/Multi-beam or girder [02]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Bituminous [6]

Latest Available Inspection: January 2017

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:22,140 [as of 2015]
Truck traffic:3% of total traffic
Deck condition:Fair [5 out of 9]
Superstructure condition:Fair [5 out of 9]
Substructure condition:Fair [5 out of 9]
Structural appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Deck geometry appraisal:Basically intolerable requiring high priority of replacement [2]
Underclearances appraisal:Superior to present desirable criteria [9]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Scour condition:Bridge not over waterway. [N]
Operating rating:45.9 tons [41.7 metric tons]
Inventory rating:26.0 tons [23.6 metric tons]
Sufficiency rating:60.5
Recommended work:Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. [31]
Estimated cost of work:$4,726,000

Previous Inspections

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
January 201760.5FairFairFairFairFO22140
January 201660.2FairFairFairFairFO22140
January 201560.2FairFairFairFairFO22140
January 201460.2FairFairFairFairFO22140
January 201360.2FairFairFairFairFO23640
January 201260.2FairFairSatisfactoryFairFO23640
February 201160.2FairFairSatisfactoryFairFO23640
January 201060.2FairFairSatisfactoryFairFO23040
January 200960.2FairFairSatisfactoryFairFO26820
December 200760.2FairFairSatisfactoryFairFO38640
December 200660.2FairFairSatisfactoryFairFO36360
February 200560.2FairFairSatisfactoryFairFO34140
January 200460.2FairFairSatisfactoryFairFO32940
September 200160.2FairFairSatisfactoryFairFO26465
May 199860.2FairFairSatisfactoryFairFO26465
September 199638.2PoorPoorSatisfactoryPoorSD19356
September 199542.2PoorPoorSatisfactoryPoorSD18976
October 199442.2PoorPoorSatisfactoryPoorSD18513
August 199342.2PoorPoorSatisfactoryPoorSD22276
July 199242.2PoorPoorSatisfactoryPoorSD29536
March 199142.2PoorPoorSatisfactoryPoorSD29536

Element Data

Source: National Bridge Elements dataset, 2016 edition. This feature is experimental.
ElementUnitsQuantity1. Good2. Fair3. Poor4. Serious
Reinforced Concrete Closed Web/Box Girderlinear ft.8,54005,6932,8470
Reinforced Concrete Decksq. ft.51,24051,240000
Reinforced Concrete Pier Walllinear ft.1313000
Reinforced Concrete Abutmentlinear ft.9090000
Reinforced Concrete Pileeach147098490
Reinforced Concrete Pier Caplinear ft.882882000
Strip Seal Jointlinear ft.88200504378
Pourable Jointlinear ft.84420420
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.2,8402,840000
Reinforced Concrete Slabsq. ft.4,2004,200000