US Bridges

Sc 6 over Bull Swamp Creek

Fair

Lexington County, South Carolina · 2MI NW of Swansea · Structure no. 000000000001740

Built
1927
98 years old, rebuilt 1974
Condition
Fair
inspected September 2023
Type
Culvert
Concrete
Length
21 ft
2 main spans
Daily traffic
3,900
2023 count
Owner
State
State Highway Agency

About this bridge

Sc 6 over Bull Swamp Creek is a concrete culvert carrying Sc 6 over Bull Swamp Creek in Lexington County, South Carolina. It was built in 1927 and reconstructed in 1974, so it is 98 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 3,900 vehicles a day, roughly 6% of them trucks, projected to reach 7,566 by 2043. The structure is 21 ft (6.4 m) long and 46 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesSc 6
CrossesBull Swamp Creek
Location2MI NW of Swansea
RouteState Highway 6
Coordinates33.7618, -81.12547
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.1 US tons
Inventory rating27.4 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadH 15
Structure length21 ft (6.4 m)
Longest span10 ft (3 m)
Deck width46 ft (14 m)
Roadway width37 ft (11.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,900 (2023)
Projected traffic7,566 by 2043
Trucks6%
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 statusHistorical significance not determinable at this time
Work proposedWidening with deck rehabilitation or replacement
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Sc 6 over Bull Swamp Creek built?

It was built in 1927, making it 98 years old in 2025. It was reconstructed in 1974.

What condition is Sc 6 over Bull Swamp 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 September 2023.

How much traffic does Sc 6 over Bull Swamp Creek carry?

About 3,900 vehicles per day (2023 count), of which roughly 6% are trucks.

How long is Sc 6 over Bull Swamp Creek?

The structure is 21 ft (6.4 m) long with a longest span of 10 ft (3 m) and a deck 46 ft wide.

Who owns Sc 6 over Bull Swamp Creek?

It is owned by the State Highway Agency.