Structure 71008101900081 · Calcasieu County, LA

La0108 over Drain

Carries La0108 over Drain, .06 Mi East Of La 1256.

Overall conditionGood

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

How ratings work
Culvertsets the rating7/9 · Good
Channelnot part of overall5/9 · Fair
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT32 FT ACROSS25 FT0ELEVATION · LENGTHS TO SCALE
Culvert 7/9

A culvert 32 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.

Built198046 years old
Length32.2 ft9.8 m
Daily traffic6,891counted 2023
Last inspectedJune 2024every 24 months

Location

StateLouisiana
CountyCalcasieu
Location.06 Mi East Of La 1256
CarriesLa0108
CrossesDrain
Coordinates30.18357, -93.37498

Physical Characteristics

MaterialConcrete
DesignCulvert
Total Length32.2 ft (9.8 m)
Max Span9.8 ft (3 m)
Deck Width131.2 ft (40 m)
Deck Area392 sq m
Main Spans3
Year Built1980

Traffic

Avg Daily Traffic6,891 (2023)
Truck Traffic10%
Lanes On Bridge5

Inspection & Ownership

Last InspectionJune 2024
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical8 — Stable, low risk
Structure Number071008101900081

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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