Structure 34900121118491 · St. Landry County, LA

Us0190 over Bayou Mallet

Carries Us0190 over Bayou Mallet, 1.1 Mi East Of La 103.

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 FT53 FT ACROSS25 FT0ELEVATION · LENGTHS TO SCALE
Culvert 7/9

A culvert 53 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.

Built193195 years old
Length53.1 ft16.2 m
Daily traffic4,319counted 2021
Last inspectedDecember 2024every 24 months

Location

StateLouisiana
CountySt. Landry
Location1.1 Mi East Of La 103
CarriesUs0190
CrossesBayou Mallet
Coordinates30.51719, -92.19230

Physical Characteristics

MaterialConcrete
DesignCulvert
Total Length53.1 ft (16.2 m)
Max Span12.1 ft (3.7 m)
Deck Width134.8 ft (41.1 m)
Deck Area665.8 sq m
Main Spans4
Year Built1931

Traffic

Avg Daily Traffic4,319 (2021)
Truck Traffic10%
Lanes On Bridge4

Inspection & Ownership

Last InspectionDecember 2024
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical8 — Stable, low risk
Structure Number034900121118491

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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