US Bridges

Flat Shoals Road over Sugar Creek

Good

DeKalb County, Georgia · 3.3 MI SE of Decatur · Structure no. 000000008901570

Built
1945
80 years old
Condition
Good
inspected May 2024
Type
Culvert
Steel
Length
42 ft
2 main spans
Daily traffic
10,800
2024 count
Owner
County
County Highway Agency

About this bridge

Flat Shoals Road over Sugar Creek is a steel culvert carrying Flat Shoals Road over Sugar Creek in DeKalb County, Georgia. It was built in 1945, so it is 80 years old, older than the Georgia average of 47.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 10,800 vehicles a day, roughly 1% of them trucks, projected to reach 15,300 by 2031. The structure is 42 ft (12.8 m) long and 34 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesFlat Shoals Road
CrossesSugar Creek
Location3.3 MI SE of Decatur
RouteCity Street 9122
StateGeorgia
Coordinates33.72418, -84.31962
Functional classUrban Minor Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert7 GoodSome minor problems.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating91.9 US tons
Inventory rating70 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans2
Design loadH 15
Structure length42 ft (12.8 m)
Longest span16 ft (4.9 m)
Deck width34 ft (10.5 m)
Roadway width25 ft (7.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,800 (2024)
Projected traffic15,300 by 2031
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$246,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Flat Shoals Road over Sugar Creek built?

It was built in 1945, making it 80 years old in 2025.

What condition is Flat Shoals Road over Sugar Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in May 2024.

How much traffic does Flat Shoals Road over Sugar Creek carry?

About 10,800 vehicles per day (2024 count), of which roughly 1% are trucks.

How long is Flat Shoals Road over Sugar Creek?

The structure is 42 ft (12.8 m) long with a longest span of 16 ft (4.9 m) and a deck 34 ft wide.

Who owns Flat Shoals Road over Sugar Creek?

It is owned by the County Highway Agency.