Structure 5021 · Chilton County, AL

CR 24 Cooper Ent over South Prong

Carries CR 24 Cooper Ent over South Prong, CR 24 1m W Of Cooper.

Overall conditionGood

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

How ratings work
Culvertsets the rating7/9 · Good
Channelnot part of overall8/9 · Very Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT70 FT ACROSS25 FT0ELEVATION · LENGTHS TO SCALE
Culvert 7/9

A culvert 70 ft across with 5 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.

Built195571 years old
Length69.9 ft21.3 m
Daily traffic475counted 1985
Last inspectedFebruary 2025every 24 months

Location

StateAlabama
CountyChilton
LocationCR 24 1m W Of Cooper
CarriesCR 24 Cooper Ent
CrossesSouth Prong
Coordinates32.76071, -86.57614

Physical Characteristics

MaterialConcrete
DesignCulvert
Total Length69.9 ft (21.3 m)
Max Span14.1 ft (4.3 m)
Deck Width29.9 ft (9.1 m)
Deck Area193.8 sq m
Main Spans5
Year Built1955

Traffic

Avg Daily Traffic475 (1985)
Truck Traffic1%
Lanes On Bridge2

Inspection & Ownership

Last InspectionFebruary 2025
Inspection FrequencyEvery 24 months
OwnerCounty Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical8 — Stable, low risk
Structure Number005021

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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