Structure 23600000020465 · Orleans County, LA

I0010 over City Streets

Carries I0010 over City Streets, 0.5 Mi NE Of US 90b.

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
18,246 FT OVERALL2,500 FT0ELEVATION · LENGTHS TO SCALE
Deck 6/9Superstructure 6/9Substructure 6/9

18,246 ft end to end, longest span 157 ft: about 51 football fields, or 3.5 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
Length18246.1 ft5561.4 m
Daily traffic47,100counted 2016
Last inspectedJune 2024every 24 months

Location

StateLouisiana
CountyOrleans
Location0.5 Mi NE Of US 90b
CarriesI0010
CrossesCity Streets
Coordinates29.95580, -90.08060

Physical Characteristics

MaterialSteel
DesignStringer/Multi-beam
Total Length18246.1 ft (5561.4 m)
Max Span157.2 ft (47.9 m)
Deck Width49.9 ft (15.2 m)
Deck Area84533.3 sq m
Main Spans66
Year Built1969

Traffic

Avg Daily Traffic47,100 (2016)
Truck Traffic25%
Lanes On Bridge3
Lanes Under Bridge3

Inspection & Ownership

Last InspectionJune 2024
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceHistorical significance is not determined
Scour CriticalNot applicable
Structure Number023600000020465

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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