Structure 22600000020473 · Jefferson County, LA

La0001 over Caminada Bay

Carries La0001 over Caminada Bay, 9.5 Mi East Of La 3090.

Overall conditionGood

Set by its lowest-rated component: Substructure at 7 of 9.

How ratings work
Deck8/9 · Very Good
Superstructure8/9 · Very Good
Substructuresets the rating7/9 · Good
Channelnot part of overall8/9 · Very Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT3,806 FT OVERALL500 FT0ELEVATION · LENGTHS TO SCALE
Deck 8/9Superstructure 8/9Substructure 7/9 · sets the rating

3,806 ft end to end, longest span 115 ft: about 11 football fields. 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.

Built201214 years old
Length3806.1 ft1160.1 m
Daily traffic3,305counted 2021
Last inspectedNovember 2023every 24 months

Location

StateLouisiana
CountyJefferson
Location9.5 Mi East Of La 3090
CarriesLa0001
CrossesCaminada Bay
Coordinates29.20445, -90.03951

Physical Characteristics

MaterialPrestressed Concrete
DesignStringer/Multi-beam
Total Length3806.1 ft (1160.1 m)
Max Span115.2 ft (35.1 m)
Deck Width51.8 ft (15.8 m)
Deck Area18329.6 sq m
Main Spans44
Year Built2012

Traffic

Avg Daily Traffic3,305 (2021)
Truck Traffic20%
Lanes On Bridge2

Inspection & Ownership

Last InspectionNovember 2023
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceHistorical significance is not determined
Scour Critical8 — Stable, low risk
Structure Number022600000020473

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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