US Bridges

Rock Chapel Road over Swift Creek

Good

DeKalb County, Georgia · 3.0 MI NE of Lithonia · Structure no. 000000008900330

Built
1976
49 years old, rebuilt 2000
Condition
Good
inspected March 2024
Type
Culvert
Concrete
Length
44 ft
4 main spans
Daily traffic
30,600
2024 count
Owner
State
State Highway Agency

About this bridge

Rock Chapel Road over Swift Creek is a concrete culvert carrying Rock Chapel Road over Swift Creek in DeKalb County, Georgia. It was built in 1976 and reconstructed in 2000, so it is 49 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 30,600 vehicles a day, roughly 1% of them trucks, projected to reach 34,725 by 2031. The structure is 44 ft (13.4 m) long. If it were closed, the detour would be 3.7 mi (6 km).

CarriesRock Chapel Road
CrossesSwift Creek
Location3.0 MI NE of Lithonia
RouteState Highway 124
StateGeorgia
Coordinates33.74844, -84.08346
Functional classUrban Other Principal 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 protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating110.1 US tons
Inventory rating110.1 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans4
Design loadHS 20 + Mod
Structure length44 ft (13.4 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic30,600 (2024)
Projected traffic34,725 by 2031
Trucks1%
Lanes on structure7
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost$610,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Rock Chapel Road over Swift Creek built?

It was built in 1976, making it 49 years old in 2025. It was reconstructed in 2000.

What condition is Rock Chapel Road over Swift 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 March 2024.

How much traffic does Rock Chapel Road over Swift Creek carry?

About 30,600 vehicles per day (2024 count), of which roughly 1% are trucks.

How long is Rock Chapel Road over Swift Creek?

The structure is 44 ft (13.4 m) long with a longest span of 10 ft (3 m).

Who owns Rock Chapel Road over Swift Creek?

It is owned by the State Highway Agency.