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 

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. ratingEvaluationDeckSuper.Sub.ADT
January 201674.0Not deficientSatisfactoryGoodGood97000
January 201474.0Not deficientSatisfactoryGoodGood96700
January 201274.0Not deficientSatisfactoryGoodGood93900
January 201074.0Not deficientSatisfactoryGoodGood72800
January 200874.0Not deficientSatisfactorySatisfactoryGood106100
February 200674.0Not deficientSatisfactorySatisfactoryGood110500
February 200474.0Not deficientSatisfactorySatisfactoryGood108700
September 200074.0Not deficientGoodSatisfactoryGood104097
June 199874.0Not deficientGoodSatisfactoryVery Good104097
July 199590.0Not deficientGoodSatisfactoryVery Good-