Structure 23600070101061 · Orleans County, LA

Us0061 over I-10

Carries Us0061 over I-10, US 61 Over I-10.

Overall conditionPoor

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

How ratings work
Deck5/9 · Fair
Superstructuresets the rating4/9 · Poor
Substructuresets the rating4/9 · Poor
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT1,442 FT OVERALL250 FT0ELEVATION · LENGTHS TO SCALE
Deck 5/9Superstructure 4/9 · sets the ratingSubstructure 4/9 · sets the rating

1,442 ft end to end, longest span 82 ft: about 4.0 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.

Built194086 years old
Length1441.9 ft439.5 m
Daily traffic19,200counted 2018
Last inspectedFebruary 2023every 24 months

Location

StateLouisiana
CountyOrleans
LocationUS 61 Over I-10
CarriesUs0061
CrossesI-10
Coordinates29.96945, -90.10740

Physical Characteristics

MaterialSteel
DesignStringer/Multi-beam
Total Length1441.9 ft (439.5 m)
Max Span82.0 ft (25 m)
Deck Width67.9 ft (20.7 m)
Deck Area9097.6 sq m
Main Spans28
Year Built1940

Traffic

Avg Daily Traffic19,200 (2018)
Truck Traffic10%
Lanes On Bridge4
Lanes Under Bridge7

Inspection & Ownership

Last InspectionFebruary 2023
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number023600070101061

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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