LA3064 over LA 3064-ESSEN OVER I-12


+30.41613, -91.09810
30°24'58" N, 91°05'53" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:LA3064 over LA 3064-ESSEN OVER I-12
Structure number:611702583201621
Purpose:Carries highway over highway
Route classification:Other Principal Arterial (Urban) [14]
Length of largest span:69.9 ft. [21.3 m]
Total length:634.9 ft. [193.5 m]
Roadway width between curbs:56.1 ft. [17.1 m]
Deck width edge-to-edge:60.0 ft. [18.3 m]
Vertical clearance below bridge:13.1 ft. [4.0 m]
Owner:State Highway Agency [01]
Year built:1967
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:12
Main spans material:Steel [3]
Main spans design:Stringer/Multi-beam or girder [02]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Monolithic Concrete (concurrently placed with structural deck) [1]

Latest Available Inspection: July 2017

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:38,100 [as of 2015]
Truck traffic:6% of total traffic
Deck condition:Good [7 out of 9]
Superstructure condition:Good [7 out of 9]
Substructure condition:Satisfactory [6 out of 9]
Structural appraisal:Equal to present minimum criteria [6]
Deck geometry appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Underclearances appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Scour condition:Bridge not over waterway. [N]
Sufficiency rating:71.1

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
July 2017FairGoodGoodSatisfactory3810071.1
July 2015FairGoodGoodSatisfactory3810075.0
August 2013FairGoodGoodSatisfactory3840075.0
September 2011FairGoodGoodSatisfactory4210076.0
October 2009FairSatisfactoryGoodSatisfactory4210076.0
October 2007FairSatisfactoryGoodVery Good4040075.0
October 2005FairSatisfactoryGoodVery Good4240075.0
October 2003FairSatisfactoryGoodVery Good4470075.0
October 2001FairSatisfactoryVery GoodVery Good4433375.0
October 1999FairSatisfactoryVery GoodVery Good4223477.0
October 1997FairSatisfactoryVery GoodVery Good4223478.0
October 1995FairSatisfactoryVery GoodVery Good4340678.0
October 1993FairSatisfactoryVery GoodVery Good3441178.9
October 1991FairSatisfactoryVery GoodVery Good3547778.5

Element Data

Source: National Bridge Elements dataset, 2018 edition. This feature is experimental.
Steel Girder/Beamlinear ft.5,9685,9392900
Steel Protective Coatingsq. ft.40,24420,122020,1220
Reinforced Concrete Decksq. ft.39,68004,98034,7000
Reinforced Concrete Columneach5548610
Reinforced Concrete Abutmentlinear ft.1441311300
Reinforced Concrete Pier Caplinear ft.724716620
Assembly without Seal Jointlinear ft.61431800
Movable Bearingeach264260400
Steel Protective Coatingsq. ft.6505727800
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.1,0491,049000