Structure 56200000050249 · West Carroll County, LA

La0577 over Creek

Carries La0577 over Creek, 2.1 Miles East Of La 585.

Overall conditionGood

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

How ratings work
Culvertsets the rating7/9 · Good
Channelnot part of overall7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT28 FT ACROSS25 FT0ELEVATION · LENGTHS TO SCALE
Culvert 7/9

A culvert 28 ft across with 4 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.

Built201412 years old
Length27.9 ft8.5 m
Daily traffic365counted 2021
Last inspectedJanuary 2025every 24 months

Location

StateLouisiana
CountyWest Carroll
Location2.1 Miles East Of La 585
CarriesLa0577
CrossesCreek
Coordinates32.68173, -91.53690

Physical Characteristics

MaterialConcrete
DesignCulvert
Total Length27.9 ft (8.5 m)
Max Span5.9 ft (1.8 m)
Deck Width87.9 ft (26.8 m)
Deck Area227.8 sq m
Main Spans4
Year Built2014

Traffic

Avg Daily Traffic365 (2021)
Truck Traffic19%
Lanes On Bridge2

Inspection & Ownership

Last InspectionJanuary 2025
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceHistorical significance is not determined
Scour Critical8 — Stable, low risk
Structure Number056200000050249

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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