Structure 611930505905471 · East Feliciana County, LA

Lower Cc RD over Horton Bayou

Carries Lower Cc RD over Horton Bayou, 3.0 M NE Of La 63.

Overall conditionPoor

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

How ratings work
Decksets the rating4/9 · Poor
Superstructure5/9 · Fair
Substructuresets the rating4/9 · Poor
Channelnot part of overall5/9 · Fair
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT56 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 4/9 · sets the ratingSuperstructure 5/9Substructure 4/9 · sets the rating

56 ft end to end, longest span 18 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 multi-beam bridge.

Built199927 years old
Length56.1 ft17.1 m
Daily traffic44counted 2020
Last inspectedMay 2024every 12 months

Location

StateLouisiana
CountyEast Feliciana
Location3.0 M NE Of La 63
CarriesLower Cc RD
CrossesHorton Bayou
Coordinates30.84236, -90.91176

Physical Characteristics

MaterialWood or Timber
DesignStringer/Multi-beam
Total Length56.1 ft (17.1 m)
Max Span18.0 ft (5.5 m)
Deck Width20.7 ft (6.3 m)
Deck Area107.7 sq m
Main Spans3
Year Built1999

Traffic

Avg Daily Traffic44 (2020)
Lanes On Bridge2

Inspection & Ownership

Last InspectionMay 2024
Inspection FrequencyEvery 12 months
OwnerCounty Highway Agency
Historical SignificanceHistorical significance is not determined
Scour Critical8 — Stable, low risk
Structure Number611930505905471

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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