Structure 34904550208951 · St. Landry County, LA

I0049 over Drainage Canal

Carries I0049 over Drainage Canal, 1.3 Mi North Of La 3233.

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 FT44 FT ACROSS25 FT0ELEVATION · LENGTHS TO SCALE
Culvert 7/9

A culvert 44 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.

Built196264 years old
Length44.0 ft13.4 m
Daily traffic4,451counted 2021
Last inspectedDecember 2024every 24 months

Location

StateLouisiana
CountySt. Landry
Location1.3 Mi North Of La 3233
CarriesI0049
CrossesDrainage Canal
Coordinates30.50196, -92.07180

Physical Characteristics

MaterialConcrete
DesignCulvert
Total Length44.0 ft (13.4 m)
Max Span6.9 ft (2.1 m)
Deck Width433.1 ft (132 m)
Deck Area1768.8 sq m
Main Spans4
Year Built1962

Traffic

Avg Daily Traffic4,451 (2021)
Truck Traffic28%
Lanes On Bridge8

Inspection & Ownership

Last InspectionDecember 2024
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical7 — Countermeasures installed
Structure Number034904550208951

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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