Structure 8902890 · DeKalb County, GA

I-675 Sbl over CR 142 Henrico Road

Carries I-675 Sbl over CR 142 Henrico Road, 6 Mi S Of Decatur.

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 FT223 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9 · sets the ratingSuperstructure 8/9Substructure 7/9 · sets the rating

223 ft end to end, longest span 89 ft: about 3 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.

Built198442 years old
Length223.1 ft68 m
Daily traffic82,400counted 2024
Last inspectedMarch 2024every 24 months

Location

StateGeorgia
CountyDeKalb
Location6 Mi S Of Decatur
CarriesI-675 Sbl
CrossesCR 142 Henrico Road
Coordinates33.66697, -84.32568

Physical Characteristics

MaterialPrestressed Concrete
DesignStringer/Multi-beam
Total Length223.1 ft (68 m)
Max Span88.9 ft (27.1 m)
Deck Width77.1 ft (23.5 m)
Deck Area1,598 sq m
Main Spans3
Year Built1984

Traffic

Avg Daily Traffic82,400 (2024)
Truck Traffic13%
Lanes On Bridge4
Lanes Under Bridge2

Inspection & Ownership

Last InspectionMarch 2024
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number000000008902890

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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