Structure 32800031108201 · Lafayette County, LA

Us0090 over Coulee Mine

Carries Us0090 over Coulee Mine, 0.7 Mi East Of La 93.

Overall conditionFair

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

How ratings work
Deck7/9 · Good
Superstructure7/9 · Good
Substructuresets the rating6/9 · Satisfactory
Channelnot part of overall4/9 · Poor
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT96 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 7/9Substructure 6/9 · sets the rating

96 ft end to end, longest span 24 ft. 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 or the layout of the shorter spans, so those are drawn as typical for a tee-beam bridge.

Built195373 years old
Length96.1 ft29.3 m
Daily traffic7,540counted 2021
Last inspectedNovember 2023every 24 months

Location

StateLouisiana
CountyLafayette
Location0.7 Mi East Of La 93
CarriesUs0090
CrossesCoulee Mine
Coordinates30.23218, -92.07501

Physical Characteristics

MaterialConcrete
DesignTee Beam
Total Length96.1 ft (29.3 m)
Max Span24.0 ft (7.3 m)
Deck Width35.4 ft (10.8 m)
Deck Area316.4 sq m
Main Spans4
Year Built1953

Traffic

Avg Daily Traffic7,540 (2021)
Truck Traffic10%
Lanes On Bridge2

Inspection & Ownership

Last InspectionNovember 2023
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical8 — Stable, low risk
Structure Number032800031108201

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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