US Bridges

S-12-25 over Trib to Fork Creek

Good

Chester County, South Carolina · 10.3MI SW Chester · Structure no. 000000000008241

Built
1989
36 years old
Condition
Good
inspected January 2025
Type
Slab
Concrete
Length
45 ft
3 main spans
Daily traffic
100
2023 count
Owner
State
State Highway Agency

About this bridge

S-12-25 over Trib to Fork Creek is a concrete slab carrying S-12-25 over Trib to Fork Creek in Chester County, South Carolina. It was built in 1989, so it is 36 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 100 vehicles a day, roughly 9% of them trucks, projected to reach 139 by 2025. The structure is 45 ft (13.7 m) long and 38 ft wide. If it were closed, the detour would be 11.2 mi (18 km).

CarriesS-12-25
CrossesTrib to Fork Creek
Location10.3MI SW Chester
RouteState Highway 25
Coordinates34.64194, -81.37833
Functional classRural Minor 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.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating60 US tons
Inventory rating35.7 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, precast panels
Main spans3
Design loadHS 20
Structure length45 ft (13.7 m)
Longest span15 ft (4.6 m)
Deck width38 ft (11.7 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2023)
Projected traffic139 by 2025
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.2 mi (18 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-12-25 over Trib to Fork Creek built?

It was built in 1989, making it 36 years old in 2025.

What condition is S-12-25 over Trib to 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 January 2025.

How much traffic does S-12-25 over Trib to Fork Creek carry?

About 100 vehicles per day (2023 count), of which roughly 9% are trucks.

How long is S-12-25 over Trib to Fork Creek?

The structure is 45 ft (13.7 m) long with a longest span of 15 ft (4.6 m) and a deck 38 ft wide.

Who owns S-12-25 over Trib to Fork Creek?

It is owned by the State Highway Agency.