+30.17573, -90.87321
30°10'33" N, 90°52'24" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:LA0022 over BAYOU CONWAY
Structure number:610302660108102
Location:0.1 M NORTH I-10 & LA 22
Purpose:Carries highway over waterway
Route classification:Other Principal Arterial (Urban) [14]
Length of largest span:20.0 ft. [6.1 m]
Total length:140.1 ft. [42.7 m]
Roadway width between curbs:40.0 ft. [12.2 m]
Deck width edge-to-edge:42.7 ft. [13.0 m]
Owner:State Highway Agency [01]
Year built:1990
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:7
Main spans material:Concrete [1]
Main spans design:Slab [01]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Monolithic Concrete (concurrently placed with structural deck) [1]

Latest Available Inspection: July 2016

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:12,960 [as of 2015]
Truck traffic:17% of total traffic
Deck condition:Satisfactory [6 out of 9]
Superstructure condition:Satisfactory [6 out of 9]
Substructure condition:Satisfactory [6 out of 9]
Structural appraisal:Equal to present minimum criteria [6]
Deck geometry appraisal:Better than present minimum criteria [7]
Water adequacy appraisal:Equal to present desirable criteria [8]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Channel protection:Banks are protected or well vegetated. River control devices such as spur dikes and embankment protection are not required or are in a stable condition. [8]
Scour condition:Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Operating rating:74.8 tons [68.0 metric tons]
Inventory rating:44.9 tons [40.8 metric tons]
Sufficiency rating:78.0

Previous Inspections

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
July 201678.0FairSatisfactorySatisfactorySatisfactory-12960
August 201478.0FairGoodGoodSatisfactory-12660
August 201278.0FairGoodGoodSatisfactory-10380
August 201079.0GoodGoodGoodGood-10080
September 200879.2GoodVery GoodVery GoodGood-9300
September 200679.0GoodGoodVery GoodGood-10020
September 200479.0GoodVery GoodVery GoodVery Good-10440
September 200279.0GoodVery GoodVery GoodVery Good-10980
September 200079.0GoodVery GoodVery GoodVery Good-10141
September 199880.0GoodVery GoodVery GoodVery Good-10141
September 199680.0GoodVery GoodVery GoodVery Good-10479
September 199480.0GoodVery GoodVery GoodVery Good-9936
September 199280.9GoodVery GoodVery GoodVery Good-7583
September 199080.9GoodVery GoodVery GoodVery Good-7583