Structure 23600069001235 · Orleans County, LA

Us0090 over Ramp A

Carries Us0090 over Ramp A, 0.50 M North 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
SEMI-TRUCK · 72 FT999 FT OVERALL200 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 7/9Substructure 7/9

999 ft end to end, longest span 104 ft: about 2.8 football fields. Lengths and the semi-truck on the deck are drawn to the same scale. 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.

Built198937 years old
Length999.0 ft304.5 m
Daily traffic47,738counted 2021
Last inspectedFebruary 2024every 24 months

Location

StateLouisiana
CountyOrleans
Location0.50 M North Of I-10
CarriesUs0090
CrossesRamp A
Coordinates30.00751, -90.02840

Physical Characteristics

MaterialSteel Continuous
DesignGirder and Floorbeam
Total Length999.0 ft (304.5 m)
Max Span104.0 ft (31.7 m)
Deck Width28.9 ft (8.8 m)
Deck Area2679.6 sq m
Main Spans10
Year Built1989

Traffic

Avg Daily Traffic47,738 (2021)
Truck Traffic10%
Lanes On Bridge1

Inspection & Ownership

Last InspectionFebruary 2024
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number023600069001235

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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