US Bridges

Flint Hill Road over Olley Creek

Good

Cobb County, Georgia · 2.4 MI North of Austell · Structure no. 000000006752600

Built
2008
17 years old
Condition
Good
inspected August 2023
Type
Culvert
Concrete
Length
36 ft
3 main spans
Daily traffic
6,780
2024 count
Owner
County
County Highway Agency

About this bridge

Flint Hill Road over Olley Creek is a concrete culvert carrying Flint Hill Road over Olley Creek in Cobb County, Georgia. It was built in 2008, so it is 17 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 6,780 vehicles a day, roughly 1% of them trucks, projected to reach 2,895 by 2032. The structure is 36 ft (11 m) long. If it were closed, the detour would be 3.1 mi (5 km).

CarriesFlint Hill Road
CrossesOlley Creek
Location2.4 MI North of Austell
RouteCounty Highway 2365
StateGeorgia
Coordinates33.84743, -84.62951
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 protection8 Very GoodNo problems noted.
Culvert7 GoodSome minor problems.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating50.9 US tons
Inventory rating35.9 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 20 + Mod
Structure length36 ft (11 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 traffic6,780 (2024)
Projected traffic2,895 by 2032
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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$211,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Flint Hill Road over Olley Creek built?

It was built in 2008, making it 17 years old in 2025.

What condition is Flint Hill Road over Olley 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 August 2023.

How much traffic does Flint Hill Road over Olley Creek carry?

About 6,780 vehicles per day (2024 count), of which roughly 1% are trucks.

How long is Flint Hill Road over Olley Creek?

The structure is 36 ft (11 m) long with a longest span of 11 ft (3.4 m).

Who owns Flint Hill Road over Olley Creek?

It is owned by the County Highway Agency.