Structure 32804500506221 · Lafayette County, LA

I0010 over Coulee Mine

Carries I0010 over Coulee Mine, 2.2 Mi East Of La 93.

Overall conditionFair

Set by its lowest-rated component: Culvert at 6 of 9.

How ratings work
Culvertsets the rating6/9 · Satisfactory
Channelnot part of overall6/9 · Satisfactory
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT30 FT ACROSS25 FT0ELEVATION · LENGTHS TO SCALE
Culvert 6/9

A culvert 30 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.

Built196858 years old
Length29.9 ft9.1 m
Daily traffic56,748counted 2021
Last inspectedSeptember 2024every 24 months

Location

StateLouisiana
CountyLafayette
Location2.2 Mi East Of La 93
CarriesI0010
CrossesCoulee Mine
Coordinates30.24686, -92.07220

Physical Characteristics

MaterialConcrete
DesignCulvert
Total Length29.9 ft (9.1 m)
Max Span8.9 ft (2.7 m)
Deck Width159.8 ft (48.7 m)
Deck Area443.2 sq m
Main Spans3
Year Built1968

Traffic

Avg Daily Traffic56,748 (2021)
Truck Traffic28%
Lanes On Bridge4

Inspection & Ownership

Last InspectionSeptember 2024
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical8 — Stable, low risk
Structure Number032804500506221

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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