US Bridges

S-4-247 over Hen Coop Creek

FairPosted for load

Anderson County, South Carolina · 8.3MI SE Anderson · Structure no. 000000000005205

Built
1968
57 years old
Condition
Fair
inspected January 2025
Type
Channel Beam
Prestressed Concrete
Length
120 ft
4 main spans
Daily traffic
800
2023 count
Owner
State
State Highway Agency

About this bridge

S-4-247 over Hen Coop Creek is a prestressed concrete channel beam carrying S-4-247 over Hen Coop Creek in Anderson County, South Carolina. It was built in 1968, so it is 57 years old, older 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. Its operating status is: posted for load restriction.

It carries about 800 vehicles a day, roughly 5% of them trucks, projected to reach 1,112 by 2043. The structure is 120 ft (36.6 m) long and 28 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesS-4-247
CrossesHen Coop Creek
Location8.3MI SE Anderson
RouteState Highway 247
Coordinates34.43734, -82.52289
Functional classRural Minor 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating29.3 US tons
Inventory rating16.4 US tons

Structure

Structure typeChannel Beam
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans4
Design loadH 15
Structure length120 ft (36.6 m)
Longest span30 ft (9.1 m)
Deck width28 ft (8.4 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic800 (2023)
Projected traffic1,112 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$194,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was S-4-247 over Hen Coop Creek built?

It was built in 1968, making it 57 years old in 2025.

What condition is S-4-247 over Hen Coop 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-4-247 over Hen Coop Creek carry?

About 800 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is S-4-247 over Hen Coop Creek?

The structure is 120 ft (36.6 m) long with a longest span of 30 ft (9.1 m) and a deck 28 ft wide.

Who owns S-4-247 over Hen Coop Creek?

It is owned by the State Highway Agency.