US Bridges

S-4-256 over Hembree Creek

Fair

Anderson County, South Carolina · 5.0 MI NW Anderson · Structure no. 000000000007871

Built
1985
40 years old
Condition
Fair
inspected January 2025
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
120 ft
3 main spans
Daily traffic
5,600
2023 count
Owner
State
State Highway Agency

About this bridge

S-4-256 over Hembree Creek is a prestressed concrete stringer/multi-beam or girder carrying S-4-256 over Hembree Creek in Anderson County, South Carolina. It was built in 1985, so it is 40 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 5,600 vehicles a day, roughly 3% of them trucks, projected to reach 6,888 by 2043. The structure is 120 ft (36.6 m) long and 58 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesS-4-256
CrossesHembree Creek
Location5.0 MI NW Anderson
RouteState Highway 256
Coordinates34.5607, -82.69981
Functional classUrban Collector

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
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 geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating83.2 US tons
Inventory rating61.4 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length120 ft (36.6 m)
Longest span40 ft (12.2 m)
Deck width58 ft (17.6 m)
Roadway width54 ft (16.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,600 (2023)
Projected traffic6,888 by 2043
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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-4-256 over Hembree Creek built?

It was built in 1985, making it 40 years old in 2025.

What condition is S-4-256 over Hembree Creek 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 January 2025.

How much traffic does S-4-256 over Hembree Creek carry?

About 5,600 vehicles per day (2023 count), of which roughly 3% are trucks.

How long is S-4-256 over Hembree Creek?

The structure is 120 ft (36.6 m) long with a longest span of 40 ft (12.2 m) and a deck 58 ft wide.

Who owns S-4-256 over Hembree Creek?

It is owned by the State Highway Agency.