US Bridges

US 301 over Horse Branch

Fair

Clarendon County, South Carolina · 2MI N of Turbeville · Structure no. 000000000000400

Built
1930
95 years old, rebuilt 1964
Condition
Fair
inspected September 2023
Type
Culvert
Concrete
Length
21 ft
2 main spans
Daily traffic
1,750
2023 count
Owner
State
State Highway Agency

About this bridge

US 301 over Horse Branch is a concrete culvert carrying US 301 over Horse Branch in Clarendon County, South Carolina. It was built in 1930 and reconstructed in 1964, so it is 95 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 5 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 1,750 vehicles a day, roughly 12% of them trucks, projected to reach 2,555 by 2043. The structure is 21 ft (6.4 m) long and 50 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesUS 301
CrossesHorse Branch
Location2MI N of Turbeville
RouteU.S. Route 301
CountyClarendon County
StateSouth Carolina
Coordinates33.91148, -79.98398
Functional classRural Major 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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating45.3 US tons
Inventory rating27.1 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadH 15
Structure length21 ft (6.4 m)
Longest span10 ft (3 m)
Deck width50 ft (15.2 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,750 (2023)
Projected traffic2,555 by 2043
Trucks12%
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 US 301 over Horse Branch built?

It was built in 1930, making it 95 years old in 2025. It was reconstructed in 1964.

What condition is US 301 over Horse Branch 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 September 2023.

How much traffic does US 301 over Horse Branch carry?

About 1,750 vehicles per day (2023 count), of which roughly 12% are trucks.

How long is US 301 over Horse Branch?

The structure is 21 ft (6.4 m) long with a longest span of 10 ft (3 m) and a deck 50 ft wide.

Who owns US 301 over Horse Branch?

It is owned by the State Highway Agency.