US Bridges

Keith Road over Flat Creek

FairPosted for load

Meriwether County, Georgia · 1.5 MI W of ST Marks · Structure no. 000000019950050

Built
1969
56 years old, rebuilt 2002
Condition
Fair
inspected April 2024
Type
Channel Beam
Prestressed Concrete
Length
123 ft
6 main spans
Daily traffic
240
2024 count
Owner
County
County Highway Agency

About this bridge

Keith Road over Flat Creek is a prestressed concrete channel beam carrying Keith Road over Flat Creek in Meriwether County, Georgia. It was built in 1969 and reconstructed in 2002, so it is 56 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. Its operating status is: posted for load restriction.

It carries about 240 vehicles a day, roughly 1% of them trucks, projected to reach 900 by 2031. The structure is 123 ft (37.5 m) long and 25 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesKeith Road
CrossesFlat Creek
Location1.5 MI W of ST Marks
RouteCounty Highway 28
StateGeorgia
Coordinates33.13036, -84.85105
Functional classRural Minor Collector

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating37.9 US tons
Inventory rating21.9 US tons

Structure

Structure typeChannel Beam
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans6
Design loadH 15
Structure length123 ft (37.5 m)
Longest span21 ft (6.4 m)
Deck width25 ft (7.7 m)
Roadway width23 ft (7.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic240 (2024)
Projected traffic900 by 2031
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$721,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Keith Road over Flat Creek built?

It was built in 1969, making it 56 years old in 2025. It was reconstructed in 2002.

What condition is Keith Road over Flat Creek 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 April 2024.

How much traffic does Keith Road over Flat Creek carry?

About 240 vehicles per day (2024 count), of which roughly 1% are trucks.

How long is Keith Road over Flat Creek?

The structure is 123 ft (37.5 m) long with a longest span of 21 ft (6.4 m) and a deck 25 ft wide.

Who owns Keith Road over Flat Creek?

It is owned by the County Highway Agency.