Structure 22604501505711 · Jefferson County, LA

La3152 over I 10

Carries La3152 over I 10, 3.7 Mi East Of La 49.

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
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT1,402 FT OVERALL250 FT0ELEVATION · LENGTHS TO SCALE
Deck 6/9Superstructure 6/9Substructure 6/9

1,402 ft end to end, longest span 83 ft: about 3.9 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.

Built196759 years old
Length1401.9 ft427.3 m
Daily traffic28,780counted 2021
Last inspectedJanuary 2023every 24 months

Location

StateLouisiana
CountyJefferson
Location3.7 Mi East Of La 49
CarriesLa3152
CrossesI 10
Coordinates29.99718, -90.18378

Physical Characteristics

MaterialPrestressed Concrete
DesignStringer/Multi-beam
Total Length1401.9 ft (427.3 m)
Max Span83.0 ft (25.3 m)
Deck Width33.5 ft (10.2 m)
Deck Area4358.5 sq m
Main Spans21
Year Built1967

Traffic

Avg Daily Traffic28,780 (2021)
Truck Traffic10%
Lanes On Bridge2
Lanes Under Bridge8

Inspection & Ownership

Last InspectionJanuary 2023
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number022604501505711

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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