LA3064 over LA 3064-ESSEN OVER I-12


+30.41702, -91.09776
30°25'01" N, 91°05'52" 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:16.1 ft. [4.9 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]
Operating rating:38.8 tons [35.3 metric tons]
Inventory rating:29.9 tons [27.2 metric tons]
Sufficiency rating:71.1

Previous Inspections 

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
July 201771.1FairGoodGoodSatisfactory-38100
July 201575.0FairGoodGoodSatisfactory-38100
August 201375.0FairGoodGoodSatisfactory-38400
September 201176.0FairGoodGoodSatisfactory-42100
October 200976.0FairSatisfactoryGoodSatisfactory-42100
October 200775.0FairSatisfactoryGoodVery Good-40400
October 200575.0FairSatisfactoryGoodVery Good-42400
October 200375.0FairSatisfactoryGoodVery Good-44700
October 200175.0FairSatisfactoryVery GoodVery Good-44333
October 199977.0FairSatisfactoryVery GoodVery Good-42234
October 199778.0FairSatisfactoryVery GoodVery Good-42234
October 199578.0FairSatisfactoryVery GoodVery Good-43406
October 199378.9FairSatisfactoryVery GoodVery Good-34411
October 199178.5FairSatisfactoryVery GoodVery Good-35477