US Bridges

Rockbridge Road over Indian Creek

Good

DeKalb County, Georgia · 2 MI E of Avondale Est. · Structure no. 000000008951210

Built
1936
89 years old
Condition
Good
inspected May 2024
Type
Culvert
Masonry
Length
24 ft
2 main spans
Daily traffic
1,740
2024 count
Owner
County
County Highway Agency

About this bridge

Rockbridge Road over Indian Creek is a masonry culvert carrying Rockbridge Road over Indian Creek in DeKalb County, Georgia. It was built in 1936, so it is 89 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 1,740 vehicles a day, roughly 1% of them trucks, projected to reach 3,303 by 2031. The structure is 24 ft (7.3 m) long. If it were closed, the detour would be 1.9 mi (3 km).

CarriesRockbridge Road
CrossesIndian Creek
Location2 MI E of Avondale Est.
RouteCounty Highway 848
StateGeorgia
Coordinates33.78243, -84.24046
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 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 evaluation6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating46 US tons
Inventory rating26.9 US tons

Structure

Structure typeCulvert
MaterialMasonry
DeckNot applicable
Main spans2
Design loadH 15
Structure length24 ft (7.3 m)
Longest span11 ft (3.4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,740 (2024)
Projected traffic3,303 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$141,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Rockbridge Road over Indian Creek built?

It was built in 1936, making it 89 years old in 2025.

What condition is Rockbridge Road over Indian 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 Rockbridge Road over Indian Creek carry?

About 1,740 vehicles per day (2024 count), of which roughly 1% are trucks.

How long is Rockbridge Road over Indian Creek?

The structure is 24 ft (7.3 m) long with a longest span of 11 ft (3.4 m).

Who owns Rockbridge Road over Indian Creek?

It is owned by the County Highway Agency.