Structure 40900000040278 · Caddo County, LA

La0511 over Creek

Carries La0511 over Creek, 0.7 Miles East Of La 526.

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 overall6/9 · Satisfactory
0 failed4 poor6 fair9 excellent

Elevation

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

A culvert 25 ft across with 4 openings. Lengths are drawn to scale; at this length a semi-truck would be a speck. 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.

Built201115 years old
Length24.9 ft7.6 m
Daily traffic21,080counted 2021
Last inspectedJanuary 2025every 24 months

Location

StateLouisiana
CountyCaddo
Location0.7 Miles East Of La 526
CarriesLa0511
CrossesCreek
Coordinates32.44231, -93.88900

Physical Characteristics

MaterialConcrete
DesignCulvert
Total Length24.9 ft (7.6 m)
Max Span5.9 ft (1.8 m)
Deck Width91.9 ft (28 m)
Deck Area212.8 sq m
Main Spans4
Year Built2011

Traffic

Avg Daily Traffic21,080 (2021)
Truck Traffic10%
Lanes On Bridge5

Inspection & Ownership

Last InspectionJanuary 2025
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceHistorical significance is not determined
Scour Critical8 — Stable, low risk
Structure Number040900000040278

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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