Structure 29751030 · Walton County, GA

Old Ga 138 over Big Flat Creek

Carries Old Ga 138 over Big Flat Creek, 3 Mi NE Of Walnut Grove.

Overall conditionGood

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

How ratings work
Decksets the rating7/9 · Good
Superstructure8/9 · Very Good
Substructure8/9 · Very Good
Channelnot part of overall8/9 · Very Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT125 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9 · sets the ratingSuperstructure 8/9Substructure 8/9

125 ft end to end, longest span 65 ft. Lengths and the semi-truck 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.

Built20197 years old
Length125.0 ft38.1 m
Daily traffic1,594counted 2024
Last inspectedJuly 2023every 24 months

Location

StateGeorgia
CountyWalton
Location3 Mi NE Of Walnut Grove
CarriesOld Ga 138
CrossesBig Flat Creek
Coordinates33.77060, -83.80623

Physical Characteristics

MaterialConcrete
DesignStringer/Multi-beam
Total Length125.0 ft (38.1 m)
Max Span65.0 ft (19.8 m)
Deck Width36.1 ft (11 m)
Deck Area419.1 sq m
Main Spans3
Year Built2019

Traffic

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

Inspection & Ownership

Last InspectionJuly 2023
Inspection FrequencyEvery 24 months
OwnerCounty Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical5 — Stable for scour
Structure Number000000029751030

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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