US Bridges

S-12-304 over Dry Fork Creek

Good

Chester County, South Carolina · 2.8 MI W Chester · Structure no. 000000000009147

Built
1997
28 years old
Condition
Good
inspected December 2024
Type
Slab
Concrete Continuous
Length
102 ft
4 main spans
Daily traffic
425
2023 count
Owner
State
State Highway Agency

About this bridge

S-12-304 over Dry Fork Creek is a concrete continuous slab carrying S-12-304 over Dry Fork Creek in Chester County, South Carolina. It was built in 1997, so it is 28 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 425 vehicles a day, roughly 8% of them trucks, projected to reach 621 by 2043. The structure is 102 ft (31 m) long and 36 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesS-12-304
CrossesDry Fork Creek
Location2.8 MI W Chester
RouteState Highway 304
Coordinates34.68568, -81.25617
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating63.2 US tons
Inventory rating38.3 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 25 or greater
Structure length102 ft (31 m)
Longest span33 ft (10 m)
Deck width36 ft (11.1 m)
Roadway width33 ft (10.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic425 (2023)
Projected traffic621 by 2043
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 S-12-304 over Dry Fork Creek built?

It was built in 1997, making it 28 years old in 2025.

What condition is S-12-304 over Dry Fork 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 December 2024.

How much traffic does S-12-304 over Dry Fork Creek carry?

About 425 vehicles per day (2023 count), of which roughly 8% are trucks.

How long is S-12-304 over Dry Fork Creek?

The structure is 102 ft (31 m) long with a longest span of 33 ft (10 m) and a deck 36 ft wide.

Who owns S-12-304 over Dry Fork Creek?

It is owned by the State Highway Agency.