US Bridges

Lilburn-St. Mt. RD over Stone Mountain Creek

Good

DeKalb County, Georgia · 1.3 MI NE of Stone Mtn · Structure no. 000000008950880

Built
1962
63 years old
Condition
Good
inspected June 2024
Type
Culvert
Concrete
Length
43 ft
4 main spans
Daily traffic
4,620
2024 count
Owner
County
County Highway Agency

About this bridge

Lilburn-St. Mt. RD over Stone Mountain Creek is a concrete culvert carrying Lilburn-St. Mt. RD over Stone Mountain Creek in DeKalb County, Georgia. It was built in 1962, so it is 63 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 4,620 vehicles a day, roughly 1% of them trucks, projected to reach 10,920 by 2031. The structure is 43 ft (13.1 m) long. If it were closed, the detour would be 1.9 mi (3 km).

CarriesLilburn-St. Mt. RD
CrossesStone Mountain Creek
Location1.3 MI NE of Stone Mtn
RouteCounty Highway 1048
StateGeorgia
Coordinates33.8261, -84.15603
Functional classUrban Local

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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46 US tons
Inventory rating26.9 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans4
Design loadH 15
Structure length43 ft (13.1 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 traffic4,620 (2024)
Projected traffic10,920 by 2031
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
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 statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost$252,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Lilburn-St. Mt. RD over Stone Mountain Creek built?

It was built in 1962, making it 63 years old in 2025.

What condition is Lilburn-St. Mt. RD over Stone Mountain 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 June 2024.

How much traffic does Lilburn-St. Mt. RD over Stone Mountain Creek carry?

About 4,620 vehicles per day (2024 count), of which roughly 1% are trucks.

How long is Lilburn-St. Mt. RD over Stone Mountain Creek?

The structure is 43 ft (13.1 m) long with a longest span of 10 ft (3 m).

Who owns Lilburn-St. Mt. RD over Stone Mountain Creek?

It is owned by the County Highway Agency.