LA3046 over LA 3046 OVER US 90


+29.96295, -90.15684
29°57'47" N, 90°09'25" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.


Name:LA3046 over LA 3046 OVER US 90
Structure number:022604230100031
Location:LA 3046 OVER US 90
Purpose:Carries highway over highway
Route classification:Other Principal Arterial (Urban) [14]
Length of largest span:73.2 ft. [22.3 m]
Total length:944.9 ft. [288.0 m]
Roadway width between curbs:27.9 ft. [8.5 m]
Deck width edge-to-edge:34.1 ft. [10.4 m]
Vertical clearance below bridge:14.4 ft. [4.4 m]
Owner:State Highway Agency [01]
Year built:1957
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:20
Main spans material:Steel [3]
Main spans design:Stringer/Multi-beam or girder [02]
Deck type:Concrete Cast-in-Place [1]

Latest Available Inspection: February 2015 

Status:Open, no restriction [A]
Average daily traffic:52,100 [as of 2014]
Truck traffic:5% of total traffic
Deck condition:Very Good [8 out of 9]
Superstructure condition:Very Good [8 out of 9]
Substructure condition:Good [7 out of 9]
Structural appraisal:Better than present minimum criteria [7]
Deck geometry appraisal:Basically intolerable requiring high priority of corrrective action [3]
Underclearances appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Roadway alignment appraisal:Better than present minimum criteria [7]
Scour condition:Bridge not over waterway. [N]
Operating rating:59.4 tons [54.0 metric tons]
Inventory rating:35.6 tons [32.4 metric tons]
Evaluation:Functionally obsolete [2]
Sufficiency rating:80.0
Recommended work:Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. [31]
Estimated cost of work:$3,712,000

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
February 201580.0Functionally obsoleteVery GoodVery GoodGood52100
February 201380.0Functionally obsoleteVery GoodVery GoodVery Good51100
February 201180.0Functionally obsoleteVery GoodVery GoodVery Good46100
January 200980.0Functionally obsoleteVery GoodVery GoodVery Good46700
November 200767.0Functionally obsoleteFairFairSatisfactory53200
December 200667.0Functionally obsoleteFairFairSatisfactory53200
June 200567.0Functionally obsoleteFairFairSatisfactory53200
April 200467.0Functionally obsoleteFairFairSatisfactory52400
July 200258.2Functionally obsoleteFairFairFair52500
April 200056.2Functionally obsoleteFairFairFair53178
January 199856.2Functionally obsoleteFairFairFair51416
December 199656.2Functionally obsoleteFairFairFair60397
July 199556.2Functionally obsoleteFairFairFair59213
August 199456.2Functionally obsoleteFairFairFair57769
August 199354.2Structurally deficientPoorFairFair51870
August 199254.2Structurally deficientPoorFairFair58793
February 199139.2Structurally deficientPoorPoorFair58793