US Bridges

SR 11 - US 129 over Flat Creek

Good

Berrien County, Georgia · App 4 MI N of Nashville · Structure no. 000000001900040

Built
1937
88 years old
Condition
Good
inspected June 2024
Type
Culvert
Concrete
Length
27 ft
3 main spans
Daily traffic
2,270
2024 count
Owner
State
State Highway Agency

About this bridge

SR 11 - US 129 over Flat Creek is a concrete culvert carrying SR 11 - US 129 over Flat Creek in Berrien County, Georgia. It was built in 1937, so it is 88 years old, older 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 2,270 vehicles a day, roughly 7% of them trucks, projected to reach 3,180 by 2031. The structure is 27 ft (8.2 m) long. If it were closed, the detour would be 1.9 mi (3 km).

CarriesSR 11 - US 129
CrossesFlat Creek
LocationApp 4 MI N of Nashville
RouteU.S. Route 129
StateGeorgia
Coordinates31.26612, -83.23974
Functional classRural Minor Arterial

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 protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating45 US tons
Inventory rating26.9 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadH 15
Structure length27 ft (8.2 m)
Longest span8 ft (2.4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,270 (2024)
Projected traffic3,180 by 2031
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

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$158,000
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 11 - US 129 over Flat Creek built?

It was built in 1937, making it 88 years old in 2025.

What condition is SR 11 - US 129 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 SR 11 - US 129 over Flat Creek carry?

About 2,270 vehicles per day (2024 count), of which roughly 7% are trucks.

How long is SR 11 - US 129 over Flat Creek?

The structure is 27 ft (8.2 m) long with a longest span of 8 ft (2.4 m).

Who owns SR 11 - US 129 over Flat Creek?

It is owned by the State Highway Agency.