US Bridges

South Thomson RD over Cobb Creek

GoodPosted for load

Toombs County, Georgia · 7 MI S of Vidalia · Structure no. 000000027950090

Built
1962
63 years old
Condition
Good
inspected June 2023
Type
Tee Beam
Concrete
Length
112 ft
4 main spans
Daily traffic
610
2024 count
Owner
County
County Highway Agency

About this bridge

South Thomson RD over Cobb Creek is a concrete tee beam carrying South Thomson RD over Cobb Creek in Toombs County, Georgia. It was built in 1962, so it is 63 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. Its operating status is: posted for load restriction.

It carries about 610 vehicles a day, roughly 7% of them trucks, projected to reach 735 by 2032. The structure is 112 ft (34.1 m) long and 31 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesSouth Thomson RD
CrossesCobb Creek
Location7 MI S of Vidalia
RouteCounty Highway 97
StateGeorgia
Coordinates32.08664, -82.3945
Functional classRural Minor Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2023
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 adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36.9 US tons
Inventory rating21.9 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans4
Design loadH 15
Structure length112 ft (34.1 m)
Longest span28 ft (8.5 m)
Deck width31 ft (9.3 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic610 (2024)
Projected traffic735 by 2032
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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$656,000
NavigationNo navigation control on waterway

Frequently asked questions

When was South Thomson RD over Cobb Creek built?

It was built in 1962, making it 63 years old in 2025.

What condition is South Thomson RD over Cobb 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 2023.

How much traffic does South Thomson RD over Cobb Creek carry?

About 610 vehicles per day (2024 count), of which roughly 7% are trucks.

How long is South Thomson RD over Cobb Creek?

The structure is 112 ft (34.1 m) long with a longest span of 28 ft (8.5 m) and a deck 31 ft wide.

Who owns South Thomson RD over Cobb Creek?

It is owned by the County Highway Agency.