Structure 610304501111321 · Ascension County, LA

I0010 over La 44

Carries I0010 over La 44, Jct La 44 & I-10.

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
SEMI-TRUCK · 72 FT286 FT OVERALL50 FT0ELEVATION · LENGTHS TO SCALE
Deck 6/9Superstructure 6/9Substructure 6/9

286 ft end to end, longest span 85 ft: about 4 semi-trucks nose to tail. 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.

Built197947 years old
Length286.1 ft87.2 m
Daily traffic57,444counted 2021
Last inspectedNovember 2024every 24 months

Location

StateLouisiana
CountyAscension
LocationJct La 44 & I-10
CarriesI0010
CrossesLa 44
Coordinates30.19226, -90.92063

Physical Characteristics

MaterialPrestressed Concrete
DesignStringer/Multi-beam
Total Length286.1 ft (87.2 m)
Max Span85.0 ft (25.9 m)
Deck Width42.7 ft (13 m)
Deck Area1133.6 sq m
Main Spans4
Year Built1979

Traffic

Avg Daily Traffic57,444 (2021)
Truck Traffic9%
Lanes On Bridge2
Lanes Under Bridge4

Inspection & Ownership

Last InspectionNovember 2024
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number610304501111321

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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