Structure 22600000020456 · Jefferson County, LA

Lapalco BLVD over Labranch Canal

Carries Lapalco BLVD over Labranch Canal, 0.3 Miles South Of US 90.

Overall conditionGood

Set by its lowest-rated component: Culvert at 8 of 9.

How ratings work
Culvertsets the rating8/9 · Very Good
Channelnot part of overall8/9 · Very Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT27 FT ACROSS25 FT0ELEVATION · LENGTHS TO SCALE
Culvert 8/9

A culvert 27 ft across with 3 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.

Built200620 years old
Length26.9 ft8.2 m
Last inspectedJanuary 2023every 24 months

Location

StateLouisiana
CountyJefferson
Location0.3 Miles South Of US 90
CarriesLapalco BLVD
CrossesLabranch Canal
Coordinates29.90419, -90.18543

Physical Characteristics

MaterialConcrete
DesignCulvert
Total Length26.9 ft (8.2 m)
Max Span8.9 ft (2.7 m)
Deck Width66.6 ft (20.3 m)
Deck Area166.5 sq m
Main Spans3
Year Built2006

Traffic

Lanes On Bridge2

Inspection & Ownership

Last InspectionJanuary 2023
Inspection FrequencyEvery 24 months
OwnerCounty Highway Agency
Historical SignificanceHistorical significance is not determined
Scour Critical8 — Stable, low risk
Structure Number022600000020456

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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