Structure 25550580 · Spalding County, GA

Coldwater Drive over Ison Branch Trib

Carries Coldwater Drive over Ison Branch Trib, 2mi South Of Griffin.

Overall conditionGood

Set by its lowest-rated component: Culvert at 8 of 9.

How ratings work
Culvertsets the rating8/9 · Very Good
Channelnot part of overall9/9 · Excellent
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT36 FT ACROSS25 FT0ELEVATION · LENGTHS TO SCALE
Culvert 8/9

A culvert 36 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.

Built200719 years old
Length36.1 ft11 m
Daily traffic1,594counted 2024
Last inspectedAugust 2024every 24 months

Location

StateGeorgia
CountySpalding
Location2mi South Of Griffin
CarriesColdwater Drive
CrossesIson Branch Trib
Coordinates33.21824, -84.26715

Physical Characteristics

MaterialConcrete
DesignCulvert
Total Length36.1 ft (11 m)
Max Span3.9 ft (1.2 m)
Deck Area83.6 sq m
Main Spans4
Year Built2007

Traffic

Avg Daily Traffic1,594 (2024)
Truck Traffic1%
Lanes On Bridge2

Inspection & Ownership

Last InspectionAugust 2024
Inspection FrequencyEvery 24 months
OwnerCounty Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical8 — Stable, low risk
Structure Number000000025550580

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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