Structure 22600000020493 · Jefferson County, LA

Us0090 over La 18 And 541

Carries Us0090 over La 18 And 541, 1.0 Mi S Of The Mississip.

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
5,162 FT OVERALL1,000 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 7/9Substructure 7/9

5,162 ft end to end, longest span 230 ft: about 14 football fields. 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.

Built201313 years old
Length5162.1 ft1573.4 m
Daily traffic55,210counted 2021
Last inspectedSeptember 2023every 24 months

Location

StateLouisiana
CountyJefferson
Location1.0 Mi S Of The Mississip
CarriesUs0090
CrossesLa 18 And 541
Coordinates29.92745, -90.16620

Physical Characteristics

MaterialSteel Continuous
DesignGirder and Floorbeam
Total Length5162.1 ft (1573.4 m)
Max Span230.0 ft (70.1 m)
Deck Width36.1 ft (11 m)
Deck Area17307.4 sq m
Main Spans5
Year Built2013

Traffic

Avg Daily Traffic55,210 (2021)
Truck Traffic10%
Lanes On Bridge3
Lanes Under Bridge9

Inspection & Ownership

Last InspectionSeptember 2023
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceHistorical significance is not determined
Scour CriticalNot applicable
Structure Number022600000020493

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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