US Bridges

Conley Drive over Conley Creek

Good

Clayton County, Georgia · 1 MI W of Forest Park · Structure no. 000000006350060

Built
1980
45 years old
Condition
Good
inspected March 2023
Type
Culvert
Concrete
Length
29 ft
3 main spans
Daily traffic
2,047
2024 count
Owner
County
County Highway Agency

About this bridge

Conley Drive over Conley Creek is a concrete culvert carrying Conley Drive over Conley Creek in Clayton County, Georgia. It was built in 1980, so it is 45 years old, younger 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 2,047 vehicles a day, roughly 1% of them trucks, projected to reach 2,895 by 2032. The structure is 29 ft (8.8 m) long and 38 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesConley Drive
CrossesConley Creek
Location1 MI W of Forest Park
RouteCounty Highway 178
StateGeorgia
Coordinates33.64375, -84.34096
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 inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating61 US tons
Inventory rating35.9 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 20 + Mod
Structure length29 ft (8.8 m)
Longest span9 ft (2.7 m)
Deck width38 ft (11.7 m)
Roadway width35 ft (10.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,047 (2024)
Projected traffic2,895 by 2032
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
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—
NavigationNo navigation control on waterway

Frequently asked questions

When was Conley Drive over Conley Creek built?

It was built in 1980, making it 45 years old in 2025.

What condition is Conley Drive over Conley 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 2023.

How much traffic does Conley Drive over Conley Creek carry?

About 2,047 vehicles per day (2024 count), of which roughly 1% are trucks.

How long is Conley Drive over Conley Creek?

The structure is 29 ft (8.8 m) long with a longest span of 9 ft (2.7 m) and a deck 38 ft wide.

Who owns Conley Drive over Conley Creek?

It is owned by the County Highway Agency.