Structure 23630004900105 · Orleans County, LA

Almonaster AVE over City Street/railroad

Carries Almonaster AVE over City Street/railroad, .15 Mi S Of Downman Road.

Overall conditionPoor

Set by its lowest-rated component: Superstructure at 4 of 9.

How ratings work
Deck7/9 · Good
Superstructuresets the rating4/9 · Poor
Substructure7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT874 FT OVERALL100 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 4/9 · sets the ratingSubstructure 7/9

874 ft end to end, longest span 92 ft: about 2.4 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 multi-beam bridge.

Built199135 years old
Length874.0 ft266.4 m
Daily traffic22,680counted 2005
Last inspectedApril 2023every 24 months

Location

StateLouisiana
CountyOrleans
Location.15 Mi S Of Downman Road
CarriesAlmonaster AVE
CrossesCity Street/railroad
Coordinates30.00466, -90.01977

Physical Characteristics

MaterialPrestressed Concrete
DesignStringer/Multi-beam
Total Length874.0 ft (266.4 m)
Max Span91.9 ft (28 m)
Deck Width28.2 ft (8.6 m)
Deck Area2291.0 sq m
Main Spans9
Year Built1991

Traffic

Avg Daily Traffic22,680 (2005)
Lanes On Bridge1
Lanes Under Bridge3

Inspection & Ownership

Last InspectionApril 2023
Inspection FrequencyEvery 24 months
OwnerCity/Municipal Highway Agency
Historical SignificanceHistorical significance is not determined
Scour CriticalNot applicable
Structure Number023630004900105

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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