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LA0024 over SPRR & LA 20

Map

Coordinates:
+29.74556, -90.81147
29°44'44" N, 90°48'41" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:LA0024 over SPRR & LA 20
Structure number:025500659121701
Location:LA0024
Purpose:Carries highway over highway, waterway, and railroad
Route classification:Other Principal Arterial (Urban) [14]
Length of largest span:69.9 ft. [21.3 m]
Total length:2172.0 ft. [662.0 m]
Roadway width between curbs:56.1 ft. [17.1 m]
Deck width edge-to-edge:65.3 ft. [19.9 m]
Vertical clearance below bridge:15.7 ft. [4.8 m]
Owner:State Highway Agency [01]
Year built:1970
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:31
Main spans material:Prestressed concrete [5]
Main spans design:Stringer/Multi-beam or girder [02]
Deck type:Concrete Cast-in-Place [1]

Latest Available Inspection: September 2016

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:25,900 [as of 2015]
Truck traffic:5% of total traffic
Deck condition:Satisfactory [6 out of 9]
Superstructure condition:Good [7 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: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 foundations determined to be stable for the assessed or calculated scour condition. [8]
Operating rating:87.8 tons [79.8 metric tons]
Inventory rating:38.0 tons [34.5 metric tons]
Sufficiency rating:77.0

Previous Inspections

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
September 201677.0FairSatisfactoryGoodFair-25900
September 201577.0FairSatisfactoryGoodFair-25900
September 201476.8FairSatisfactoryGoodFair-27300
October 201379.8FairSatisfactoryGoodFair-27300
November 201279.8FairSatisfactoryGoodFair-27300
November 201178.8FairSatisfactoryGoodFair-27300
December 201078.8FairSatisfactoryGoodFair-27100
November 200978.9FairGoodGoodFair-26900
June 200878.8FairGoodGoodFair-27100
August 200778.7FairGoodFairFair-28600
October 200378.7FairGoodFairFair-28100

Element Data

Source: National Bridge Elements dataset, 2016 edition. This feature is experimental.
ElementUnitsQuantity1. Good2. Fair3. Poor4. Serious
Superstructure
Reinforced Concrete Girder/Beamlinear ft.17,3760017,3760
Deck
Reinforced Concrete Decksq. ft.141,1800141,18000
Substructure
Reinforced Concrete Abutmentlinear ft.1501203000
Reinforced Concrete Pileeach272027200
Reinforced Concrete Pier Caplinear ft.1,95001,3506000
Joints
Compression Jointlinear ft.2,0805556750850
Bearings
Elastomeric Bearingeach496496000
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.4,3344,334000