Structure 12154220 · Fulton County, GA

US 19 Sbl SR 400 over I 285

Carries US 19 Sbl SR 400 over I 285, SR 400 South.

Overall conditionGood

Set by its lowest-rated component: Deck and Superstructure and Substructure at 8 of 9.

How ratings work
Decksets the rating8/9 · Very Good
Superstructuresets the rating8/9 · Very Good
Substructuresets the rating8/9 · Very Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT56 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 8/9Superstructure 8/9Substructure 8/9

56 ft end to end. Lengths and the car 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.

Built20224 years old
Length56.1 ft17.1 m
Daily traffic23,300counted 2024
Last inspectedJuly 2024every 24 months

Location

StateGeorgia
CountyFulton
LocationSR 400 South
CarriesUS 19 Sbl SR 400
CrossesI 285
Coordinates33.90966, -84.35773

Physical Characteristics

MaterialConcrete
DesignStringer/Multi-beam
Total Length56.1 ft (17.1 m)
Max Span56.1 ft (17.1 m)
Deck Width33.1 ft (10.1 m)
Deck Area172.7 sq m
Main Spans1
Year Built2022

Traffic

Avg Daily Traffic23,300 (2024)
Truck Traffic7%
Lanes On Bridge2

Inspection & Ownership

Last InspectionJuly 2024
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number000000012154220

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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