Structure 623200000620251 · Livingston County, LA

Us0190 over Amite River

Carries Us0190 over Amite River, 3 Miles West Of La 1032.

Overall conditionGood

Set by its lowest-rated component: Deck and Substructure at 7 of 9.

How ratings work
Decksets the rating7/9 · Good
Superstructure8/9 · Very Good
Substructuresets the rating7/9 · Good
Channelnot part of overall6/9 · Satisfactory
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT2,900 FT OVERALL500 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9 · sets the ratingSuperstructure 8/9Substructure 7/9 · sets the rating

2,900 ft end to end, longest span 100 ft: about 8.1 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.

Built200917 years old
Length2899.9 ft883.9 m
Daily traffic10,200counted 2016
Last inspectedMarch 2024every 24 months

Location

StateLouisiana
CountyLivingston
Location3 Miles West Of La 1032
CarriesUs0190
CrossesAmite River
Coordinates30.46376, -90.98252

Physical Characteristics

MaterialPrestressed Concrete
DesignStringer/Multi-beam
Total Length2899.9 ft (883.9 m)
Max Span100.1 ft (30.5 m)
Deck Width42.0 ft (12.8 m)
Deck Area11313.9 sq m
Main Spans29
Year Built2009

Traffic

Avg Daily Traffic10,200 (2016)
Truck Traffic6%
Lanes On Bridge2

Inspection & Ownership

Last InspectionMarch 2024
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceHistorical significance is not determined
Scour Critical3 — Scour critical
Structure Number623200000620251

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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