US Bridges

S-12-333 over Branch Sandy River

Fair

Chester County, South Carolina · 3.5 MI N of Chester · Structure no. 000000000008146

Built
1988
37 years old
Condition
Fair
inspected August 2024
Type
Slab
Concrete
Length
60 ft
4 main spans
Daily traffic
425
2023 count
Owner
State
State Highway Agency

About this bridge

S-12-333 over Branch Sandy River is a concrete slab carrying S-12-333 over Branch Sandy River in Chester County, South Carolina. It was built in 1988, so it is 37 years old, younger 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 425 vehicles a day, roughly 5% of them trucks, projected to reach 544 by 2024. The structure is 60 ft (18.3 m) long and 38 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesS-12-333
CrossesBranch Sandy River
Location3.5 MI N of Chester
RouteState Highway 333
Coordinates34.75528, -81.21167
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating61.4 US tons
Inventory rating36.8 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, precast panels
Main spans4
Design loadHS 20
Structure length60 ft (18.3 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 traffic425 (2023)
Projected traffic544 by 2024
Trucks5%
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-12-333 over Branch Sandy River built?

It was built in 1988, making it 37 years old in 2025.

What condition is S-12-333 over Branch Sandy River 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 August 2024.

How much traffic does S-12-333 over Branch Sandy River carry?

About 425 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is S-12-333 over Branch Sandy River?

The structure is 60 ft (18.3 m) long with a longest span of 15 ft (4.6 m) and a deck 38 ft wide.

Who owns S-12-333 over Branch Sandy River?

It is owned by the State Highway Agency.