Structure 23602830800411 · Orleans County, LA

Us0090-b over R/r City Sts

Carries Us0090-b over R/r City Sts, .4 Mi South Of I-10.

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
4,897 FT OVERALL1,000 FT0ELEVATION · LENGTHS TO SCALE
Deck 6/9Superstructure 6/9Substructure 6/9

4,897 ft end to end, longest span 177 ft: about 14 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 multi-beam bridge.

Built196066 years old
Length4897.0 ft1492.6 m
Daily traffic67,143counted 2021
Last inspectedApril 2024every 24 months

Location

StateLouisiana
CountyOrleans
Location.4 Mi South Of I-10
CarriesUs0090-b
CrossesR/r City Sts
Coordinates29.95403, -90.08910

Physical Characteristics

MaterialSteel
DesignStringer/Multi-beam
Total Length4897.0 ft (1492.6 m)
Max Span176.8 ft (53.9 m)
Deck Width44.9 ft (13.7 m)
Deck Area20448.6 sq m
Main Spans80
Year Built1960

Traffic

Avg Daily Traffic67,143 (2021)
Truck Traffic25%
Lanes On Bridge2
Lanes Under Bridge4

Inspection & Ownership

Last InspectionApril 2024
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number023602830800411

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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