US Bridges

SC4 /SC302 over Cedar Creek

Fair

Aiken County, South Carolina · 12 MI E of Aiken · Structure no. 000000000000589

Built
1932
93 years old
Condition
Fair
inspected February 2024
Type
Tee Beam
Concrete
Length
60 ft
3 main spans
Daily traffic
3,300
2023 count
Owner
State
State Highway Agency

About this bridge

SC4 /SC302 over Cedar Creek is a concrete tee beam carrying SC4 /SC302 over Cedar Creek in Aiken County, South Carolina. It was built in 1932, so it is 93 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 3,300 vehicles a day, roughly 9% of them trucks, projected to reach 5,247 by 2043. The structure is 60 ft (18.3 m) long and 30 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesSC4 /SC302
CrossesCedar Creek
Location12 MI E of Aiken
RouteState Highway 4
Coordinates33.58088, -81.51105
Functional classRural Minor 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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation4: Meets minimum tolerable limits to be 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 rating33.2 US tons
Inventory rating19.6 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length60 ft (18.3 m)
Longest span40 ft (12.2 m)
Deck width30 ft (9.1 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,300 (2023)
Projected traffic5,247 by 2043
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was SC4 /SC302 over Cedar Creek built?

It was built in 1932, making it 93 years old in 2025.

What condition is SC4 /SC302 over Cedar 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 SC4 /SC302 over Cedar Creek carry?

About 3,300 vehicles per day (2023 count), of which roughly 9% are trucks.

How long is SC4 /SC302 over Cedar Creek?

The structure is 60 ft (18.3 m) long with a longest span of 40 ft (12.2 m) and a deck 30 ft wide.

Who owns SC4 /SC302 over Cedar Creek?

It is owned by the State Highway Agency.