Structure 80604000003106 · Winn County, LA

558 over Creek

Carries 558 over Creek, No Data Entered.

Overall conditionFair

Set by its lowest-rated component: Substructure at 6 of 9.

How ratings work
Deck7/9 · Good
Superstructure7/9 · Good
Substructuresets the rating6/9 · Satisfactory
Channelnot part of overall6/9 · Satisfactory
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT57 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 7/9Substructure 6/9 · sets the rating

57 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.

Built200224 years old
Length57.1 ft17.4 m
Daily traffic10counted 2002
Last inspectedNovember 2022every 24 months

Location

StateLouisiana
CountyWinn
LocationNo Data Entered
Carries558
CrossesCreek
Coordinates31.70982, -92.62427

Physical Characteristics

MaterialConcrete
DesignSlab
Total Length57.1 ft (17.4 m)
Max Span19.0 ft (5.8 m)
Deck Width26.9 ft (8.2 m)
Deck Area142.7 sq m
Main Spans3
Year Built2002

Traffic

Avg Daily Traffic10 (2002)
Lanes On Bridge2

Inspection & Ownership

Last InspectionNovember 2022
Inspection FrequencyEvery 24 months
OwnerU.S. Forest Service
Historical SignificanceHistorical significance is not determined
Scour Critical5 — Stable for scour
Structure Number080604000003106

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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