Structure 624602630103221 · St. Helena County, LA

La0038 over Drain

Carries La0038 over Drain, 0.6 M E Of La 432.

Overall conditionPoor

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

How ratings work
Deck5/9 · Fair
Superstructure5/9 · Fair
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 FT97 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 5/9Superstructure 5/9Substructure 4/9 · sets the rating

97 ft end to end, longest span 19 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.

Built195472 years old
Length97.1 ft29.6 m
Daily traffic933counted 2021
Last inspectedNovember 2023every 12 months

Location

StateLouisiana
CountySt. Helena
Location0.6 M E Of La 432
CarriesLa0038
CrossesDrain
Coordinates30.92434, -90.79220

Physical Characteristics

MaterialWood or Timber
DesignStringer/Multi-beam
Total Length97.1 ft (29.6 m)
Max Span19.0 ft (5.8 m)
Deck Width27.6 ft (8.4 m)
Deck Area248.6 sq m
Main Spans5
Year Built1954

Traffic

Avg Daily Traffic933 (2021)
Truck Traffic12%
Lanes On Bridge2

Inspection & Ownership

Last InspectionNovember 2023
Inspection FrequencyEvery 12 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical3 — Scour critical
Structure Number624602630103221

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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