Structure 3572947091161 · Vermilion County, LA

Lock Access Road over Bayou Chene

Carries Lock Access Road over Bayou Chene, End Of La 333.

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 overall7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT209 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 6/9Superstructure 6/9Substructure 6/9

209 ft end to end, longest span 19 ft: about 3 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 slab bridge.

Built198244 years old
Length209.0 ft63.7 m
Daily traffic100counted 2023
Last inspectedJuly 2024every 24 months

Location

StateLouisiana
CountyVermilion
LocationEnd Of La 333
CarriesLock Access Road
CrossesBayou Chene
Coordinates29.78278, -92.19250

Physical Characteristics

MaterialConcrete
DesignSlab
Total Length209.0 ft (63.7 m)
Max Span18.7 ft (5.7 m)
Deck Width23.0 ft (7 m)
Deck Area445.9 sq m
Main Spans11
Year Built1982

Traffic

Avg Daily Traffic100 (2023)
Truck Traffic1%
Lanes On Bridge2

Inspection & Ownership

Last InspectionJuly 2024
Inspection FrequencyEvery 24 months
OwnerCorps of Engineers
Historical SignificanceBridge is not eligible for the National Register
Scour Critical8 — Stable, low risk
Structure Number03572947091161

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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