Structure 5950050 · Clarke County, GA

Mitchell Bridge RD over Middle Oconee River

Carries Mitchell Bridge RD over Middle Oconee River, @park And Waterworks.

Overall conditionGood

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

How ratings work
Decksets the rating7/9 · Good
Superstructure8/9 · Very Good
Substructuresets the rating7/9 · Good
Channelnot part of overall6/9 · Satisfactory
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT313 FT OVERALL50 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9 · sets the ratingSuperstructure 8/9Substructure 7/9 · sets the rating

313 ft end to end, longest span 94 ft: about 4 semi-trucks nose to tail. 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.

Built198541 years old
Length313.0 ft95.4 m
Daily traffic11,300counted 2024
Last inspectedApril 2023every 24 months

Location

StateGeorgia
CountyClarke
Location@park And Waterworks
CarriesMitchell Bridge RD
CrossesMiddle Oconee River
Coordinates33.95654, -83.43760

Physical Characteristics

MaterialPrestressed Concrete
DesignStringer/Multi-beam
Total Length313.0 ft (95.4 m)
Max Span94.2 ft (28.7 m)
Deck Width39.0 ft (11.9 m)
Deck Area1135.3 sq m
Main Spans4
Year Built1985

Traffic

Avg Daily Traffic11,300 (2024)
Truck Traffic1%
Lanes On Bridge2

Inspection & Ownership

Last InspectionApril 2023
Inspection FrequencyEvery 24 months
OwnerCounty Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalUnknown
Structure Number000000005950050

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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