Structure 21300080 · Murray County, GA

US 411 over Coosawattee River

Carries US 411 over Coosawattee River, 10.7 Mi S Of Chatsworth.

Overall conditionFair

Set by its lowest-rated component: Substructure at 5 of 9.

How ratings work
Deck7/9 · Good
Superstructure7/9 · Good
Substructuresets the rating5/9 · Fair
Channelnot part of overall7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT312 FT OVERALL50 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 7/9Substructure 5/9 · sets the rating

312 ft end to end, longest span 120 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.

Built197452 years old
Length312.0 ft95.1 m
Daily traffic3,800counted 2024
Last inspectedFebruary 2024every 24 months

Location

StateGeorgia
CountyMurray
Location10.7 Mi S Of Chatsworth
CarriesUS 411
CrossesCoosawattee River
Coordinates34.61897, -84.71387

Physical Characteristics

MaterialSteel Continuous
DesignStringer/Multi-beam
Total Length312.0 ft (95.1 m)
Max Span120.1 ft (36.6 m)
Deck Width50.5 ft (15.4 m)
Deck Area1464.5 sq m
Main Spans3
Year Built1974

Traffic

Avg Daily Traffic3,800 (2024)
Truck Traffic22%
Lanes On Bridge2

Inspection & Ownership

Last InspectionFebruary 2024
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalUnknown
Structure Number000000021300080

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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