Structure 23602830803594 · Orleans County, LA

Us0090-b over La.428 And City Streets

Carries Us0090-b over La.428 And City Streets, 0.6 Mi NW Of La 428.

Overall conditionFair

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

How ratings work
Decksets the rating6/9 · Satisfactory
Superstructure7/9 · Good
Substructuresets the rating6/9 · Satisfactory
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
4,239 FT OVERALL500 FT0ELEVATION · LENGTHS TO SCALE
Deck 6/9 · sets the ratingSuperstructure 7/9Substructure 6/9 · sets the rating

4,239 ft end to end, longest span 203 ft: about 12 football fields. Lengths are drawn to scale; at this length a semi-truck would be a speck. 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 girder bridge.

Built199531 years old
Length4238.8 ft1,292 m
Daily traffic8,940counted 2016
Last inspectedAugust 2024every 24 months

Location

StateLouisiana
CountyOrleans
Location0.6 Mi NW Of La 428
CarriesUs0090-b
CrossesLa.428 And City Streets
Coordinates29.93825, -90.04215

Physical Characteristics

MaterialSteel
DesignGirder and Floorbeam
Total Length4238.8 ft (1,292 m)
Max Span203.1 ft (61.9 m)
Deck Width35.1 ft (10.7 m)
Deck Area13824.4 sq m
Main Spans4
Year Built1995

Traffic

Avg Daily Traffic8,940 (2016)
Truck Traffic13%
Lanes On Bridge2
Lanes Under Bridge6

Inspection & Ownership

Last InspectionAugust 2024
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceHistorical significance is not determined
Scour CriticalNot applicable
Structure Number023602830803594

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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