Structure 6752160 · Cobb County, GA

Ewing Road over Silver Comet Trail

Carries Ewing Road over Silver Comet Trail, 2.9 Miles North Of Austel.

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
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT143 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9 · sets the ratingSuperstructure 8/9Substructure 7/9 · sets the rating

143 ft end to end, longest span 73 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 tee-beam bridge.

Built199927 years old
Length143.0 ft43.6 m
Daily traffic2,047counted 2024
Last inspectedApril 2023every 24 months

Location

StateGeorgia
CountyCobb
Location2.9 Miles North Of Austel
CarriesEwing Road
CrossesSilver Comet Trail
Coordinates33.85424, -84.63594

Physical Characteristics

MaterialConcrete
DesignTee Beam
Total Length143.0 ft (43.6 m)
Max Span73.2 ft (22.3 m)
Deck Width43.0 ft (13.1 m)
Deck Area571.2 sq m
Main Spans3
Year Built1999

Traffic

Avg Daily Traffic2,047 (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 CriticalNot applicable
Structure Number000000006752160

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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