Structure 40801070102281 · Bossier County, LA

La0528 over Clarke Bayou

Carries La0528 over Clarke Bayou, 2.28 Mi East Of La 157.

Overall conditionFair

Set by its lowest-rated component: Deck and Superstructure and Substructure at 5 of 9.

How ratings work
Decksets the rating5/9 · Fair
Superstructuresets the rating5/9 · Fair
Substructuresets the rating5/9 · Fair
Channelnot part of overall7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT95 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 5/9Superstructure 5/9Substructure 5/9

95 ft end to end, longest span 19 ft. Lengths and the car 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.

Built197650 years old
Length95.1 ft29 m
Daily traffic377counted 2021
Last inspectedNovember 2023every 24 months

Location

StateLouisiana
CountyBossier
Location2.28 Mi East Of La 157
CarriesLa0528
CrossesClarke Bayou
Coordinates32.64381, -93.47563

Physical Characteristics

MaterialConcrete
DesignSlab
Total Length95.1 ft (29 m)
Max Span19.0 ft (5.8 m)
Deck Width31.2 ft (9.5 m)
Deck Area275.5 sq m
Main Spans5
Year Built1976

Traffic

Avg Daily Traffic377 (2021)
Truck Traffic20%
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 Critical3 — Scour critical
Structure Number040801070102281

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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