Structure 23602830800984 · Orleans County, LA

Us0090-b over City Sts.us.90bn/b Rmps

Carries Us0090-b over City Sts.us.90bn/b Rmps, .98 Mi South Of I-10.

Overall conditionGood

Set by its lowest-rated component: Deck and Superstructure and Substructure at 7 of 9.

How ratings work
Decksets the rating7/9 · Good
Superstructuresets the rating7/9 · Good
Substructuresets the rating7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
5,596 FT OVERALL1,000 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 7/9Substructure 7/9

5,596 ft end to end, longest span 247 ft: about 16 football fields, or 1.1 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 girder bridge.

Built199630 years old
Length5596.1 ft1705.7 m
Daily traffic14,010counted 2021
Last inspectedAugust 2024every 24 months

Location

StateLouisiana
CountyOrleans
Location.98 Mi South Of I-10
CarriesUs0090-b
CrossesCity Sts.us.90bn/b Rmps
Coordinates29.94777, -90.08225

Physical Characteristics

MaterialSteel
DesignGirder and Floorbeam
Total Length5596.1 ft (1705.7 m)
Max Span247.0 ft (75.3 m)
Deck Width35.1 ft (10.7 m)
Deck Area18251.0 sq m
Main Spans34
Year Built1996

Traffic

Avg Daily Traffic14,010 (2021)
Truck Traffic13%
Lanes On Bridge2
Lanes Under Bridge20

Inspection & Ownership

Last InspectionAugust 2024
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceHistorical significance is not determined
Scour CriticalNot applicable
Structure Number023602830800984

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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