US Bridges

S-12-397 over Carol Creek

Good

Chester County, South Carolina · 8.7 MI S Chester · Structure no. 000000000008989

Built
1996
29 years old
Condition
Good
inspected January 2025
Type
Stringer/Multi-beam or Girder
Steel
Length
95 ft
1 main span
Daily traffic
125
2023 count
Owner
State
State Highway Agency

About this bridge

S-12-397 over Carol Creek is a steel stringer/multi-beam or girder carrying S-12-397 over Carol Creek in Chester County, South Carolina. It was built in 1996, so it is 29 years old, younger 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 125 vehicles a day, roughly 5% of them trucks, projected to reach 160 by 2043. The structure is 95 ft (29 m) long and 31 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesS-12-397
CrossesCarol Creek
Location8.7 MI S Chester
RouteState Highway 397
Coordinates34.58046, -81.19858
Functional classRural Local

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.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJanuary 2025
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 alignment6: Equal to present minimum criteria
Operating rating34.6 US tons
Inventory rating26.5 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length95 ft (29 m)
Longest span95 ft (29 m)
Deck width31 ft (9.3 m)
Roadway width28 ft (8.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic125 (2023)
Projected traffic160 by 2043
Trucks5%
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

OwnerState Highway Agency
Maintained byState Highway 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 S-12-397 over Carol Creek built?

It was built in 1996, making it 29 years old in 2025.

What condition is S-12-397 over Carol 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 January 2025.

How much traffic does S-12-397 over Carol Creek carry?

About 125 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is S-12-397 over Carol Creek?

The structure is 95 ft (29 m) long with a longest span of 95 ft (29 m) and a deck 31 ft wide.

Who owns S-12-397 over Carol Creek?

It is owned by the State Highway Agency.