US Bridges

CR 18 over Flat Creek

Good

Berrien County, Georgia · 4 MI NE of Nashville · Structure no. 000000001950630

Built
1986
39 years old
Condition
Good
inspected June 2024
Type
Culvert
Concrete
Length
29 ft
3 main spans
Daily traffic
1,200
2024 count
Owner
County
County Highway Agency

About this bridge

CR 18 over Flat Creek is a concrete culvert carrying CR 18 over Flat Creek in Berrien County, Georgia. It was built in 1986, so it is 39 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 1,200 vehicles a day, roughly 1% of them trucks, projected to reach 900 by 2031. The structure is 29 ft (8.8 m) long. If it were closed, the detour would be 1.2 mi (2 km).

CarriesCR 18
CrossesFlat Creek
Location4 MI NE of Nashville
RouteCounty Highway 18
StateGeorgia
Coordinates31.26908, -83.22413
Functional classRural 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 inspectionJune 2024
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 rating60 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 width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,200 (2024)
Projected traffic900 by 2031
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$170,000
NavigationNo navigation control on waterway

Frequently asked questions

When was CR 18 over Flat Creek built?

It was built in 1986, making it 39 years old in 2025.

What condition is CR 18 over Flat 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 June 2024.

How much traffic does CR 18 over Flat Creek carry?

About 1,200 vehicles per day (2024 count), of which roughly 1% are trucks.

How long is CR 18 over Flat Creek?

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

Who owns CR 18 over Flat Creek?

It is owned by the County Highway Agency.