US Bridges

Ga SR 28 over Chattooga River

Fair

Oconee County, South Carolina · Ga/Sc State Line · Structure no. 000000000010093

Built
1936
89 years old
Condition
Fair
inspected June 2022
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
200 ft
3 main spans
Daily traffic
350
2023 count
Owner
State
Other State Agency

About this bridge

Ga SR 28 over Chattooga River is a steel continuous stringer/multi-beam or girder carrying Ga SR 28 over Chattooga River in Oconee County, South Carolina. It was built in 1936, so it is 89 years old, older than the South Carolina average of 48 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.

It carries about 350 vehicles a day, roughly 8% of them trucks, projected to reach 511 by 2043. The structure is 200 ft (61 m) long and 54 ft wide. If it were closed, the detour would be 37.9 mi (61 km).

Location

Open in Google Maps
CarriesGa SR 28
CrossesChattooga River
LocationGa/Sc State Line
RouteState Highway 28
CountyOconee County
StateSouth Carolina
Coordinates34.91937, -83.16867
Functional classRural Major 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJune 2022
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry9: Superior to present desirable criteria
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating34 US tons
Inventory rating18.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3 (+3 approach)
Design loadH 15
Structure length200 ft (61 m)
Longest span80 ft (24.4 m)
Deck width54 ft (16.6 m)
Roadway width54 ft (16.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic350 (2023)
Projected traffic511 by 2043
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed37.9 mi (61 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerOther State Agency
Maintained byOther State Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Ga SR 28 over Chattooga River built?

It was built in 1936, making it 89 years old in 2025.

What condition is Ga SR 28 over Chattooga River 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 June 2022.

How much traffic does Ga SR 28 over Chattooga River carry?

About 350 vehicles per day (2023 count), of which roughly 8% are trucks.

How long is Ga SR 28 over Chattooga River?

The structure is 200 ft (61 m) long with a longest span of 80 ft (24.4 m) and a deck 54 ft wide.

Who owns Ga SR 28 over Chattooga River?

It is owned by the Other State Agency.