Structure 56232558912101 · West Carroll County, LA

Chop RD over Drain To Tiger Bayou

Carries Chop RD over Drain To Tiger Bayou, .4 Mi N HWY 17 At Terry.

Overall conditionGood

Set by its lowest-rated component: Culvert at 7 of 9.

How ratings work
Culvertsets the rating7/9 · Good
Channelnot part of overall4/9 · Poor
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT49 FT ACROSS25 FT0ELEVATION · LENGTHS TO SCALE
Culvert 7/9

A culvert 49 ft across with 4 openings. 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, so those are drawn as typical for a culvert.

Built198640 years old
Length48.9 ft14.9 m
Daily traffic176counted 2019
Last inspectedFebruary 2023every 24 months

Location

StateLouisiana
CountyWest Carroll
Location.4 Mi N HWY 17 At Terry
CarriesChop RD
CrossesDrain To Tiger Bayou
Coordinates32.93037, -91.35325

Physical Characteristics

MaterialConcrete
DesignCulvert
Total Length48.9 ft (14.9 m)
Max Span9.8 ft (3 m)
Deck Width60.0 ft (18.3 m)
Deck Area272.7 sq m
Main Spans4
Year Built1986

Traffic

Avg Daily Traffic176 (2019)
Lanes On Bridge2

Inspection & Ownership

Last InspectionFebruary 2023
Inspection FrequencyEvery 24 months
OwnerCounty Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical8 — Stable, low risk
Structure Number056232558912101

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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