US Bridges

Sc 4 over Four Mile Creek

Fair

Orangeburg County, South Carolina · 4MI W of Orangeburg · Structure no. 000000000000155

Built
1923
102 years old
Condition
Fair
inspected December 2023
Type
Culvert
Concrete
Length
32 ft
3 main spans
Daily traffic
7,500
2023 count
Owner
State
State Highway Agency

About this bridge

Sc 4 over Four Mile Creek is a concrete culvert carrying Sc 4 over Four Mile Creek in Orangeburg County, South Carolina. It was built in 1923, so it is 102 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 7,500 vehicles a day, roughly 20% of them trucks, projected to reach 11,925 by 2043. The structure is 32 ft (9.8 m) long and 38 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesSc 4
CrossesFour Mile Creek
Location4MI W of Orangeburg
RouteState Highway 4
Coordinates33.49674, -80.93343
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
Channel and channel protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
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 rating60.4 US tons
Inventory rating46.4 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadH 15
Structure length32 ft (9.8 m)
Longest span10 ft (3 m)
Deck width38 ft (11.6 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,500 (2023)
Projected traffic11,925 by 2043
Trucks20%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 Sc 4 over Four Mile Creek built?

It was built in 1923, making it 102 years old in 2025.

What condition is Sc 4 over Four Mile 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 December 2023.

How much traffic does Sc 4 over Four Mile Creek carry?

About 7,500 vehicles per day (2023 count), of which roughly 20% are trucks.

How long is Sc 4 over Four Mile Creek?

The structure is 32 ft (9.8 m) long with a longest span of 10 ft (3 m) and a deck 38 ft wide.

Who owns Sc 4 over Four Mile Creek?

It is owned by the State Highway Agency.