US Bridges

Rock Springs Road over Snapfinger Creek Trib

Good

DeKalb County, Georgia · 5 MI SW of Lithonia · Structure no. 000000008902260

Built
1965
60 years old
Condition
Good
inspected April 2024
Type
Culvert
Concrete
Length
26 ft
3 main spans
Daily traffic
4,750
2024 count
Owner
County
County Highway Agency

About this bridge

Rock Springs Road over Snapfinger Creek Trib is a concrete culvert carrying Rock Springs Road over Snapfinger Creek Trib in DeKalb County, Georgia. It was built in 1965, so it is 60 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 4,750 vehicles a day, roughly 3% of them trucks, projected to reach 3,720 by 2031. The structure is 26 ft (7.9 m) long. If it were closed, the detour would be 1.2 mi (2 km).

CarriesRock Springs Road
CrossesSnapfinger Creek Trib
Location5 MI SW of Lithonia
RouteCounty Highway 9308
StateGeorgia
Coordinates33.68928, -84.18644
Functional classUrban Collector

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 inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating48 US tons
Inventory rating26.9 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadH 15
Structure length26 ft (7.9 m)
Longest span8 ft (2.4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,750 (2024)
Projected traffic3,720 by 2031
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost$152,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Rock Springs Road over Snapfinger Creek Trib built?

It was built in 1965, making it 60 years old in 2025.

What condition is Rock Springs Road over Snapfinger Creek Trib 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 April 2024.

How much traffic does Rock Springs Road over Snapfinger Creek Trib carry?

About 4,750 vehicles per day (2024 count), of which roughly 3% are trucks.

How long is Rock Springs Road over Snapfinger Creek Trib?

The structure is 26 ft (7.9 m) long with a longest span of 8 ft (2.4 m).

Who owns Rock Springs Road over Snapfinger Creek Trib?

It is owned by the County Highway Agency.