Structure 23600000020488 · Orleans County, LA

La0428 over Algiers Canal

Carries La0428 over Algiers Canal, 0.40 Mile South East Of U.

Overall conditionGood

Set by its lowest-rated component: Culvert at 7 of 9.

How ratings work
Culvertsets the rating7/9 · Good
Channelnot part of overall8/9 · Very Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT52 FT ACROSS25 FT0ELEVATION · LENGTHS TO SCALE
Culvert 7/9

A culvert 52 ft across with 2 openings. Lengths and the car on the deck are drawn to the same scale. Each part is colored by its latest inspection rating. The inventory records lengths but not heights, so those are drawn as typical for a culvert.

Built201214 years old
Length51.8 ft15.8 m
Daily traffic626counted 2015
Last inspectedJune 2024every 24 months

Location

StateLouisiana
CountyOrleans
Location0.40 Mile South East Of U
CarriesLa0428
CrossesAlgiers Canal
Coordinates29.92894, -90.03100

Physical Characteristics

MaterialConcrete
DesignCulvert
Total Length51.8 ft (15.8 m)
Max Span24.9 ft (7.6 m)
Deck Width70.5 ft (21.5 m)
Deck Area339.7 sq m
Main Spans2
Year Built2012

Traffic

Avg Daily Traffic626 (2015)
Lanes On Bridge2

Inspection & Ownership

Last InspectionJune 2024
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceHistorical significance is not determined
Scour Critical8 — Stable, low risk
Structure Number023600000020488

How Bridge Ratings Work

Inspectors rate each major part of a bridge (the deck you drive on, the superstructure of beams that holds it up, and the substructure of piers and abutments beneath) on a 0–9 scale. A bridge's overall condition is its lowest of those ratings, so one deteriorated component makes the whole bridge "poor."

0Failed
1Imminent failure
2Critical
3Serious
4Poor
5Fair
6Satisfactory
7Good
8Very good
9Excellent
Good · lowest component 7–9
Fair · lowest component 5–6
Poor · lowest component 0–4

A poor rating is not a closure. It means the bridge is flagged for priority repair or replacement; bridges judged unsafe are closed or posted with weight limits. The waterway (channel) rating is reported, but it does not count toward the overall classification.

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