US Bridges

Sc 324 over Stony Creek

Good

York County, South Carolina · 6 MI SW of Rock Hill · Structure no. 000000000001586

Built
1948
77 years old, rebuilt 1976
Condition
Good
inspected June 2024
Type
Culvert
Concrete
Length
50 ft
5 main spans
Daily traffic
2,400
2023 count
Owner
State
State Highway Agency

About this bridge

Sc 324 over Stony Creek is a concrete culvert carrying Sc 324 over Stony Creek in York County, South Carolina. It was built in 1948 and reconstructed in 1976, so it is 77 years old, older than the South Carolina average of 48 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 2,400 vehicles a day, roughly 8% of them trucks, projected to reach 5,064 by 2043. The structure is 50 ft (15.2 m) long and 60 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesSc 324
CrossesStony Creek
Location6 MI SW of Rock Hill
RouteState Highway 324
Coordinates34.88197, -81.11688
Functional classRural Major Collector

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 evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.1 US tons
Inventory rating35.4 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans5
Design loadHS 20
Structure length50 ft (15.2 m)
Longest span10 ft (3 m)
Deck width60 ft (18.3 m)
Roadway width42 ft (12.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,400 (2023)
Projected traffic5,064 by 2043
Trucks8%
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

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Sc 324 over Stony Creek built?

It was built in 1948, making it 77 years old in 2025. It was reconstructed in 1976.

What condition is Sc 324 over Stony 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 Sc 324 over Stony Creek carry?

About 2,400 vehicles per day (2023 count), of which roughly 8% are trucks.

How long is Sc 324 over Stony Creek?

The structure is 50 ft (15.2 m) long with a longest span of 10 ft (3 m) and a deck 60 ft wide.

Who owns Sc 324 over Stony Creek?

It is owned by the State Highway Agency.