US Bridges

US 1 over Little Horse Creek

Fair

Aiken County, South Carolina · Clearwater Sc · Structure no. 000000000001662

Built
1950
75 years old
Condition
Fair
inspected February 2024
Type
Tee Beam
Concrete
Length
150 ft
5 main spans
Daily traffic
22,000
2023 count
Owner
State
State Highway Agency

About this bridge

US 1 over Little Horse Creek is a concrete tee beam carrying US 1 over Little Horse Creek in Aiken County, South Carolina. It was built in 1950, so it is 75 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.

It carries about 22,000 vehicles a day, roughly 4% of them trucks, projected to reach 24,200 by 2043. The structure is 150 ft (45.7 m) long and 59 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesUS 1
CrossesLittle Horse Creek
LocationClearwater Sc
RouteU.S. Route 1
Coordinates33.50516, -81.89444
Functional classUrban Other Principal Arterial

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 protection7 GoodSome minor problems.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating51.8 US tons
Inventory rating40 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20
Structure length150 ft (45.7 m)
Longest span30 ft (9.1 m)
Deck width59 ft (18.1 m)
Roadway width58 ft (17.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic22,000 (2023)
Projected traffic24,200 by 2043
Trucks4%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was US 1 over Little Horse Creek built?

It was built in 1950, making it 75 years old in 2025.

What condition is US 1 over Little Horse 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 February 2024.

How much traffic does US 1 over Little Horse Creek carry?

About 22,000 vehicles per day (2023 count), of which roughly 4% are trucks.

How long is US 1 over Little Horse Creek?

The structure is 150 ft (45.7 m) long with a longest span of 30 ft (9.1 m) and a deck 59 ft wide.

Who owns US 1 over Little Horse Creek?

It is owned by the State Highway Agency.