Structure 40800900103461 · Bossier County, LA

La0154 over Red Chute Bayou

Carries La0154 over Red Chute Bayou, .01 Mi South Of La 157.

Overall conditionPoor

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

How ratings work
Decksets the rating4/9 · Poor
Superstructuresets the rating4/9 · Poor
Substructuresets the rating4/9 · Poor
Channelnot part of overall4/9 · Poor
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT210 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 4/9Superstructure 4/9Substructure 4/9

210 ft end to end, longest span 19 ft: about 3 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 slab bridge.

Built198046 years old
Length210.0 ft64 m
Daily traffic3,124counted 2021
Last inspectedNovember 2023every 24 months

Location

StateLouisiana
CountyBossier
Location.01 Mi South Of La 157
CarriesLa0154
CrossesRed Chute Bayou
Coordinates32.36194, -93.50280

Physical Characteristics

MaterialConcrete
DesignSlab
Total Length210.0 ft (64 m)
Max Span19.0 ft (5.8 m)
Deck Width35.1 ft (10.7 m)
Deck Area684.8 sq m
Main Spans11
Year Built1980

Traffic

Avg Daily Traffic3,124 (2021)
Truck Traffic19%
Lanes On Bridge2

Inspection & Ownership

Last InspectionNovember 2023
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical8 — Stable, low risk
Structure Number040800900103461

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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