Structure 23604509004362 · Orleans County, LA

I0010 over City Streets

Carries I0010 over City Streets, .8 Mi East Of US 90.

Overall conditionFair

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

How ratings work
Decksets the rating6/9 · Satisfactory
Superstructuresets the rating6/9 · Satisfactory
Substructure7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
19,772 FT OVERALL2,500 FT0ELEVATION · LENGTHS TO SCALE
Deck 6/9 · sets the ratingSuperstructure 6/9 · sets the ratingSubstructure 7/9

19,772 ft end to end, longest span 235 ft: about 55 football fields, or 3.7 miles. 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.

Built196957 years old
Length19772.0 ft6026.5 m
Daily traffic1,600counted 2021
Last inspectedNovember 2023every 24 months

Location

StateLouisiana
CountyOrleans
Location.8 Mi East Of US 90
CarriesI0010
CrossesCity Streets
Coordinates29.99878, -90.04330

Physical Characteristics

MaterialSteel
DesignStringer/Multi-beam
Total Length19772.0 ft (6026.5 m)
Max Span234.9 ft (71.6 m)
Deck Width51.2 ft (15.6 m)
Deck Area94013.4 sq m
Main Spans80
Year Built1969

Traffic

Avg Daily Traffic1,600 (2021)
Truck Traffic25%
Lanes On Bridge3
Lanes Under Bridge20

Inspection & Ownership

Last InspectionNovember 2023
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number023604509004362

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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