Structure 32808280502341 · Lafayette County, LA

La7281 over Gaston Coulee

Carries La7281 over Gaston Coulee, 0.06 Mi N Of I-10.

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 FT41 FT ACROSS25 FT0ELEVATION · LENGTHS TO SCALE
Culvert 7/9

A culvert 41 ft across with 2 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.

Built198244 years old
Length41.0 ft12.5 m
Daily traffic10,589counted 2021
Last inspectedNovember 2024every 24 months

Location

StateLouisiana
CountyLafayette
Location0.06 Mi N Of I-10
CarriesLa7281
CrossesGaston Coulee
Coordinates30.26387, -92.00780

Physical Characteristics

MaterialSteel
DesignCulvert
Total Length41.0 ft (12.5 m)
Max Span18.0 ft (5.5 m)
Deck Width64.3 ft (19.6 m)
Deck Area245 sq m
Main Spans2
Year Built1982

Traffic

Avg Daily Traffic10,589 (2021)
Truck Traffic9%
Lanes On Bridge4

Inspection & Ownership

Last InspectionNovember 2024
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical7 — Countermeasures installed
Structure Number032808280502341

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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