Structure 84031077922291 · Rapides County, LA

Lamourie RD over Lamourie Bayou

Carries Lamourie RD over Lamourie Bayou, 1.74 Miles East Of US 71.

Overall conditionPoor

Set by its lowest-rated component: Substructure at 4 of 9.

How ratings work
Deck6/9 · Satisfactory
Superstructure6/9 · Satisfactory
Substructuresets the rating4/9 · Poor
Channelnot part of overall6/9 · Satisfactory
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT59 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 6/9Superstructure 6/9Substructure 4/9 · sets the rating

59 ft end to end, longest span 15 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 multi-beam bridge.

Built1960rebuilt 2001
Length59.1 ft18 m
Daily traffic120counted 2022
Last inspectedOctober 2023every 12 months

Location

StateLouisiana
CountyRapides
Location1.74 Miles East Of US 71
CarriesLamourie RD
CrossesLamourie Bayou
Coordinates31.12845, -92.38280

Physical Characteristics

MaterialWood or Timber
DesignStringer/Multi-beam
Total Length59.1 ft (18 m)
Max Span15.1 ft (4.6 m)
Deck Width20.0 ft (6.1 m)
Deck Area109.8 sq m
Main Spans4
Year Built1960 (reconstructed 2001)

Traffic

Avg Daily Traffic120 (2022)
Lanes On Bridge2

Inspection & Ownership

Last InspectionOctober 2023
Inspection FrequencyEvery 12 months
OwnerCounty Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalUnknown
Structure Number084031077922291

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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