US Bridges

US 78/ SR 410 Ston over SR 859 Brockett Road

Fair

DeKalb County, Georgia · 1.2 MI N of Clarkston · Structure no. 000000008901110

Built
1967
58 years old, rebuilt 1985
Condition
Fair
inspected June 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
156 ft
3 main spans
Daily traffic
106,000
2024 count
Owner
State
State Highway Agency

About this bridge

US 78/ SR 410 Ston over SR 859 Brockett Road is a steel stringer/multi-beam or girder carrying US 78/ SR 410 Ston over SR 859 Brockett Road in DeKalb County, Georgia. It was built in 1967 and reconstructed in 1985, so it is 58 years old, older than the Georgia average of 47.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 106,000 vehicles a day, roughly 1% of them trucks, projected to reach 150,930 by 2031. The structure is 156 ft (47.5 m) long and 135 ft wide.

Location

Open in Google Maps
CarriesUS 78/ SR 410 Ston
CrossesSR 859 Brockett Road
Location1.2 MI N of Clarkston
RouteU.S. Route 78
CountyDeKalb County
StateGeorgia
Coordinates33.8251, -84.23342
Functional classUrban Principal Arterial - Other Freeway or Expressway

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating34.9 US tons
Inventory rating20.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length156 ft (47.5 m)
Longest span75 ft (22.9 m)
Deck width135 ft (41 m)
Roadway width130 ft (39.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic106,000 (2024)
Projected traffic150,930 by 2031
Trucks1%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
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$1.9 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was US 78/ SR 410 Ston over SR 859 Brockett Road built?

It was built in 1967, making it 58 years old in 2025. It was reconstructed in 1985.

What condition is US 78/ SR 410 Ston over SR 859 Brockett Road in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in June 2024.

How much traffic does US 78/ SR 410 Ston over SR 859 Brockett Road carry?

About 106,000 vehicles per day (2024 count), of which roughly 1% are trucks.

How long is US 78/ SR 410 Ston over SR 859 Brockett Road?

The structure is 156 ft (47.5 m) long with a longest span of 75 ft (22.9 m) and a deck 135 ft wide.

Who owns US 78/ SR 410 Ston over SR 859 Brockett Road?

It is owned by the State Highway Agency.