Structure 85801330200001 · Vernon County, LA

La0392 over Bayou Toro

Carries La0392 over Bayou Toro, 2.8 Mi West Of La 111.

Overall conditionFair

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

How ratings work
Decksets the rating6/9 · Satisfactory
Superstructuresets the rating6/9 · Satisfactory
Substructuresets the rating6/9 · Satisfactory
Channelnot part of overall3/9 · Serious
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT360 FT OVERALL50 FT0ELEVATION · LENGTHS TO SCALE
Deck 6/9Superstructure 6/9Substructure 6/9

360 ft end to end, longest span 60 ft: about 5 semi-trucks nose to tail. Lengths and the semi-truck 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.

Built196561 years old
Length359.9 ft109.7 m
Daily traffic688counted 2021
Last inspectedJune 2023every 24 months

Location

StateLouisiana
CountyVernon
Location2.8 Mi West Of La 111
CarriesLa0392
CrossesBayou Toro
Coordinates31.20402, -93.54504

Physical Characteristics

MaterialPrestressed Concrete
DesignStringer/Multi-beam
Total Length359.9 ft (109.7 m)
Max Span60.0 ft (18.3 m)
Deck Width33.1 ft (10.1 m)
Deck Area1108.0 sq m
Main Spans6
Year Built1965

Traffic

Avg Daily Traffic688 (2021)
Truck Traffic14%
Lanes On Bridge2

Inspection & Ownership

Last InspectionJune 2023
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical7 — Countermeasures installed
Structure Number085801330200001

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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