LA3021 over LA 3021 OVER I-10


+30.02561, -90.01201
30°01'32" N, 90°00'43" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:LA3021 over LA 3021 OVER I-10
Structure number:023604509011211
Location:1.2 MI EAST OF US 90
Purpose:Carries highway over highway
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:80.1 ft. [24.4 m]
Total length:1102.1 ft. [335.9 m]
Roadway width between curbs:40.0 ft. [12.2 m]
Deck width edge-to-edge:40.0 ft. [12.2 m]
Vertical clearance below bridge:16.7 ft. [5.1 m]
Owner:State Highway Agency [01]
Year built:1966
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 continuous [4]
Main spans design:Stringer/Multi-beam or girder [02]
Deck type:Concrete Cast-in-Place [1]

Latest Available Inspection: January 2016

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:97,000 [as of 2015]
Deck condition:Satisfactory [6 out of 9]
Superstructure condition:Good [7 out of 9]
Substructure condition:Good [7 out of 9]
Structural appraisal:Better than present minimum criteria [7]
Deck geometry appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Underclearances appraisal:Equal to present minimum criteria [6]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Scour condition:Bridge not over waterway. [N]
Operating rating:49.5 tons [45.0 metric tons]
Inventory rating:35.6 tons [32.4 metric tons]
Sufficiency rating:74.0

Previous Inspections

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
January 201674.0FairSatisfactoryGoodGood-97000
January 201474.0FairSatisfactoryGoodGood-96700
January 201274.0FairSatisfactoryGoodGood-93900
January 201074.0FairSatisfactoryGoodGood-72800
January 200874.0FairSatisfactorySatisfactoryGood-106100
February 200674.0FairSatisfactorySatisfactoryGood-110500
February 200474.0FairSatisfactorySatisfactoryGood-108700
September 200074.0FairGoodSatisfactoryGood-104097
June 199874.0FairGoodSatisfactoryVery Good-104097
July 199590.0FairGoodSatisfactoryVery Good--

Element Data

Source: National Bridge Elements dataset, 2016 edition. This feature is experimental.
ElementUnitsQuantity1. Good2. Fair3. Poor4. Serious
Steel Girder/Beamlinear ft.1,120801,04000
Prestressed Concrete Girder/Beamlinear ft.4,3544,354000
Reinforced Concrete Decksq. ft.35,19027,9907,20000
Reinforced Concrete Pier Walllinear ft.4946300
Reinforced Concrete Abutmentlinear ft.100100000
Reinforced Concrete Pileeach30151500
Reinforced Concrete Pier Caplinear ft.462462000
Strip Seal Jointlinear ft.495000495
Pourable Jointlinear ft.675067500
Elastomeric Bearingeach126126000
Movable Bearingeach2802800
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.2,2042,204000
Reinforced Concrete Slabsq. ft.14,400014,40000